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888d53f2 HH |
1 | DRACUT.CMDLINE(7) |
2 | ================= | |
3 | :doctype: manpage | |
4 | :man source: dracut | |
5 | :man manual: dracut | |
50057af1 | 6 | :man version: {version} |
888d53f2 HH |
7 | |
8 | NAME | |
9 | ---- | |
10 | dracut.cmdline - dracut kernel command line options | |
11 | ||
12 | DESCRIPTION | |
13 | ----------- | |
14 | The root device used by the kernel is specified in the boot configuration | |
15 | file on the kernel command line, as always. | |
16 | ||
17 | The traditional _root=/dev/sda1_ style device specification is allowed, but not | |
18 | encouraged. The root device should better be identified by LABEL or UUID. If a | |
19 | label is used, as in _root=LABEL=<label_of_root>_ the initramfs will search all | |
20 | available devices for a filesystem with the appropriate label, and mount that | |
21 | device as the root filesystem. _root=UUID=<uuidnumber>_ will mount the partition | |
22 | with that UUID as the root filesystem. | |
23 | ||
24 | In the following all kernel command line parameters, which are processed by | |
25 | dracut, are described. | |
26 | ||
27 | "rd.*" parameters mentioned without "=" are boolean parameters. They can be | |
28 | turned on/off by setting them to {0|1}. If the assignment with "=" is missing | |
29 | "=1" is implied. For example _rd.info_ can be turned off with _rd.info=0_ or | |
30 | turned on with _rd.info=1_ or _rd.info_. The last value in the kernel command | |
31 | line is the value, which is honored. | |
32 | ||
33 | Standard | |
34 | ~~~~~~~~ | |
b6c89768 | 35 | **init=**__<path to real init>__:: |
ae753bae | 36 | specify the path to the init program to be started after the initramfs has |
888d53f2 HH |
37 | finished |
38 | ||
b6c89768 | 39 | **root=**__<path to blockdevice>__:: |
888d53f2 HH |
40 | specify the block device to use as the root filesystem. |
41 | + | |
b6c89768 HH |
42 | [listing] |
43 | .Example | |
44 | -- | |
888d53f2 HH |
45 | root=/dev/sda1 |
46 | root=/dev/disk/by-path/pci-0000:00:1f.1-scsi-0:0:1:0-part1 | |
47 | root=/dev/disk/by-label/Root | |
48 | root=LABEL=Root | |
49 | root=/dev/disk/by-uuid/3f5ad593-4546-4a94-a374-bcfb68aa11f7 | |
50 | root=UUID=3f5ad593-4546-4a94-a374-bcfb68aa11f7 | |
b23a2837 | 51 | root=PARTUUID=3f5ad593-4546-4a94-a374-bcfb68aa11f7 |
b6c89768 | 52 | -- |
888d53f2 | 53 | |
b6c89768 | 54 | **rootfstype=**__<filesystem type>__:: "auto" if not specified. |
888d53f2 | 55 | + |
b6c89768 HH |
56 | [listing] |
57 | .Example | |
58 | -- | |
888d53f2 | 59 | rootfstype=ext3 |
b6c89768 | 60 | -- |
888d53f2 | 61 | |
b6c89768 | 62 | **rootflags=**__<mount options>__:: |
888d53f2 HH |
63 | specify additional mount options for the root filesystem. If not set, |
64 | _/etc/fstab_ of the real root will be parsed for special mount options and | |
65 | mounted accordingly. | |
66 | ||
5afa9579 AŻ |
67 | **ro**:: |
68 | force mounting _/_ and _/usr_ (if it is a separate device) read-only. If | |
69 | none of ro and rw is present, both are mounted according to _/etc/fstab_. | |
70 | ||
71 | **rw**:: | |
72 | force mounting _/_ and _/usr_ (if it is a separate device) read-write. | |
73 | See also ro option. | |
74 | ||
b6c89768 | 75 | **rootfallback=**__<path to blockdevice>__:: |
ef9ddb91 HH |
76 | specify the block device to use as the root filesystem, if the normal root |
77 | cannot be found. This can only be a simple block device with a simple file | |
78 | system, for which the filesystem driver is either compiled in, or added | |
79 | manually to the initramfs. This parameter can be specified multiple times. | |
c4c1c4f4 | 80 | |
a6332e69 | 81 | **rd.auto** **rd.auto=1**:: |
ef9ddb91 HH |
82 | enable autoassembly of special devices like cryptoLUKS, dmraid, mdraid or |
83 | lvm. Default is off as of dracut version >= 024. | |
e0641277 | 84 | |
5a575820 HH |
85 | **rd.hostonly=0**:: |
86 | removes all compiled in configuration of the host system the initramfs image | |
87 | was built on. This helps booting, if any disk layout changed, especially in | |
88 | combination with rd.auto or other parameters specifying the layout. | |
89 | ||
f232f662 HH |
90 | **rd.cmdline=ask**:: |
91 | prompts the user for additional kernel command line parameters | |
92 | ||
888d53f2 HH |
93 | **rd.fstab=0**:: |
94 | do not honor special mount options for the root filesystem found in | |
95 | _/etc/fstab_ of the real root. | |
96 | ||
b6c89768 | 97 | **resume=**__<path to resume partition>__:: |
5d0404e3 | 98 | resume from a swap partition |
97903dfc | 99 | + |
b6c89768 HH |
100 | [listing] |
101 | .Example | |
102 | -- | |
97903dfc HH |
103 | resume=/dev/disk/by-path/pci-0000:00:1f.1-scsi-0:0:1:0-part1 |
104 | resume=/dev/disk/by-uuid/3f5ad593-4546-4a94-a374-bcfb68aa11f7 | |
105 | resume=UUID=3f5ad593-4546-4a94-a374-bcfb68aa11f7 | |
b6c89768 | 106 | -- |
97903dfc | 107 | |
9fb01d49 AŻ |
108 | **rd.skipfsck**:: |
109 | skip fsck for rootfs and _/usr_. If you're mounting _/usr_ read-only and | |
110 | the init system performs fsck before remount, you might want to use this | |
111 | option to avoid duplication. | |
97903dfc | 112 | |
d4ce0e5e HH |
113 | iso-scan/filename |
114 | ~~~~~~~~~~~~~~~~~ | |
115 | ||
cb495a07 JK |
116 | Mount all mountable devices and search for ISO pointed by the argument. When |
117 | the ISO is found set it up as a loop device. Device containing this ISO | |
118 | image will stay mounted at /run/initramfs/isoscandev. | |
d4ce0e5e HH |
119 | Using iso-scan/filename with a Fedora/Red Hat/CentOS Live iso should just work |
120 | by copying the original kernel cmdline parameters. | |
121 | ||
122 | [listing] | |
123 | .Example | |
124 | -- | |
125 | menuentry 'Live Fedora 20' --class fedora --class gnu-linux --class gnu --class os { | |
126 | set isolabel=Fedora-Live-LXDE-x86_64-20-1 | |
127 | set isofile="/boot/iso/Fedora-Live-LXDE-x86_64-20-1.iso" | |
128 | loopback loop $isofile | |
129 | linux (loop)/isolinux/vmlinuz0 boot=isolinux iso-scan/filename=$isofile root=live:LABEL=$isolabel ro rd.live.image quiet rhgb | |
130 | initrd (loop)/isolinux/initrd0.img | |
131 | } | |
132 | -- | |
2ee48b4b | 133 | |
888d53f2 HH |
134 | Misc |
135 | ~~~~ | |
c45e856a | 136 | **rd.emergency=**__[reboot|poweroff|halt]__:: |
5db79ae4 HH |
137 | specify, what action to execute in case of a critical failure. rd.shell=0 also |
138 | be specified. | |
c45e856a | 139 | |
b6c89768 | 140 | **rd.driver.blacklist=**__<drivername>__[,__<drivername>__,...]:: |
888d53f2 HH |
141 | do not load kernel module <drivername>. This parameter can be specified |
142 | multiple times. | |
143 | ||
b6c89768 | 144 | **rd.driver.pre=**__<drivername>__[,__<drivername>__,...]:: |
888d53f2 HH |
145 | force loading kernel module <drivername>. This parameter can be specified |
146 | multiple times. | |
147 | ||
b6c89768 | 148 | **rd.driver.post=**__<drivername>__[,__<drivername>__,...]:: |
888d53f2 HH |
149 | force loading kernel module <drivername> after all automatic loading modules |
150 | have been loaded. This parameter can be specified multiple times. | |
151 | ||
b6c89768 | 152 | **rd.retry=**__<seconds>__:: |
56663e7e | 153 | specify how long dracut should retry the initqueue to configure devices. |
5cd7c104 | 154 | The default is 30 seconds. After 2/3 of the time, degraded raids are force |
52da8a51 HH |
155 | started. If you have hardware, which takes a very long time to announce its |
156 | drives, you might want to extend this value. | |
5cd7c104 | 157 | |
56663e7e HR |
158 | **rd.timeout=**__<seconds>__:: |
159 | specify how long dracut should wait for devices to appear. The | |
160 | default is '0', which means 'forever'. Note that this timeout | |
161 | should be longer than rd.retry to allow for proper configuration. | |
162 | ||
13cb578a BL |
163 | **rd.noverifyssl**:: |
164 | accept self-signed certificates for ssl downloads. | |
165 | ||
b6c89768 | 166 | **rd.ctty=**__<terminal device>__:: |
14986b9d HH |
167 | specify the controlling terminal for the console. |
168 | This is useful, if you have multiple "console=" arguments. | |
169 | ||
38ef3193 PP |
170 | **rd.shutdown.timeout.umount=**__<seconds>__:: |
171 | specify how long dracut should wait for an individual umount to finish | |
172 | during shutdown. This avoids the system from blocking when unmounting a file | |
173 | system cannot complete and waits indefinitely. Value '0' means to wait | |
174 | 'forever'. The default is 90 seconds. | |
175 | ||
888d53f2 HH |
176 | [[dracutkerneldebug]] |
177 | Debug | |
178 | ~~~~~ | |
67bcc493 | 179 | If you are dropped to an emergency shell, the file |
05b879ed | 180 | _/run/initramfs/rdsosreport.txt_ is created, which can be saved to a (to be |
ef9ddb91 HH |
181 | mounted by hand) partition (usually /boot) or a USB stick. Additional debugging |
182 | info can be produced by adding **rd.debug** to the kernel command line. | |
c33488fe | 183 | _/run/initramfs/rdsosreport.txt_ contains all logs and the output of some tools. |
64d144ae HH |
184 | It should be attached to any report about dracut problems. |
185 | ||
888d53f2 HH |
186 | **rd.info**:: |
187 | print informational output though "quiet" is set | |
188 | ||
189 | **rd.shell**:: | |
190 | allow dropping to a shell, if root mounting fails | |
191 | ||
192 | **rd.debug**:: | |
64d144ae | 193 | set -x for the dracut shell. |
ef9ddb91 HH |
194 | If systemd is active in the initramfs, all output is logged to the systemd |
195 | journal, which you can inspect with "journalctl -ab". | |
196 | If systemd is not active, the logs are written to dmesg and | |
197 | _/run/initramfs/init.log_. | |
64d144ae | 198 | If "quiet" is set, it also logs to the console. |
888d53f2 | 199 | |
7dd8a2f4 KS |
200 | **rd.memdebug=[0-5]**:: |
201 | Print memory usage info at various points, set the verbose level from 0 to 5. | |
49c4172f | 202 | + |
9c322b2f | 203 | Higher level means more debugging output: |
b6c89768 HH |
204 | + |
205 | ---- | |
9c322b2f DY |
206 | 0 - no output |
207 | 1 - partial /proc/meminfo | |
208 | 2 - /proc/meminfo | |
209 | 3 - /proc/meminfo + /proc/slabinfo | |
7dd8a2f4 KS |
210 | 4 - /proc/meminfo + /proc/slabinfo + memstrack summary |
211 | NOTE: memstrack is a memory tracing tool that tracks the total memory | |
212 | consumption, and peak memory consumption of each kernel modules | |
213 | and userspace progress during the whole initramfs runtime, report | |
214 | is genereted and the end of initramsfs run. | |
215 | 5 - /proc/meminfo + /proc/slabinfo + memstrack (with top memory stacktrace) | |
216 | NOTE: memstrack (with top memory stacktrace) will print top memory | |
217 | allocation stack traces during the whole initramfs runtime. | |
b6c89768 | 218 | ---- |
7bd8f233 | 219 | |
888d53f2 HH |
220 | **rd.break**:: |
221 | drop to a shell at the end | |
222 | ||
b6c89768 | 223 | **rd.break=**__{cmdline|pre-udev|pre-trigger|initqueue|pre-mount|mount|pre-pivot|cleanup}__:: |
888d53f2 HH |
224 | drop to a shell on defined breakpoint |
225 | ||
226 | **rd.udev.info**:: | |
227 | set udev to loglevel info | |
228 | ||
229 | **rd.udev.debug**:: | |
230 | set udev to loglevel debug | |
231 | ||
232 | I18N | |
233 | ~~~~ | |
b6c89768 | 234 | **rd.vconsole.keymap=**__<keymap base file name>__:: |
888d53f2 | 235 | keyboard translation table loaded by loadkeys; taken from keymaps directory; |
b6c89768 | 236 | will be written as KEYMAP to _/etc/vconsole.conf_ in the initramfs. |
888d53f2 | 237 | + |
b6c89768 HH |
238 | [listing] |
239 | .Example | |
240 | -- | |
241 | rd.vconsole.keymap=de-latin1-nodeadkeys | |
242 | -- | |
888d53f2 | 243 | |
b6c89768 | 244 | **rd.vconsole.keymap.ext=**__<list of keymap base file names>__:: |
888d53f2 HH |
245 | list of extra keymaps to bo loaded (sep. by space); will be written as |
246 | EXT_KEYMAP to _/etc/vconsole.conf_ in the initramfs | |
247 | ||
b6c89768 | 248 | **rd.vconsole.unicode**:: |
888d53f2 HH |
249 | boolean, indicating UTF-8 mode; will be written as UNICODE to |
250 | _/etc/vconsole.conf_ in the initramfs | |
251 | ||
b6c89768 | 252 | **rd.vconsole.font=**__<font base file name>__:: |
888d53f2 | 253 | console font; taken from consolefonts directory; will be written as FONT to |
b6c89768 | 254 | _/etc/vconsole.conf_ in the initramfs. |
888d53f2 | 255 | + |
b6c89768 HH |
256 | [listing] |
257 | .Example | |
258 | -- | |
42d93d34 | 259 | rd.vconsole.font=eurlatgr |
b6c89768 | 260 | -- |
888d53f2 | 261 | |
b6c89768 | 262 | **rd.vconsole.font.map=**__<console map base file name>__:: |
888d53f2 HH |
263 | see description of '-m' parameter in setfont manual; taken from consoletrans |
264 | directory; will be written as FONT_MAP to _/etc/vconsole.conf_ in the | |
265 | initramfs | |
266 | ||
b6c89768 | 267 | **rd.vconsole.font.unimap=**__<unicode table base file name>__:: |
888d53f2 HH |
268 | see description of '-u' parameter in setfont manual; taken from unimaps |
269 | directory; will be written as FONT_UNIMAP to _/etc/vconsole.conf_ in the | |
270 | initramfs | |
271 | ||
b6c89768 | 272 | **rd.locale.LANG=**__<locale>__:: |
888d53f2 HH |
273 | taken from the environment; if no UNICODE is defined we set its value in |
274 | basis of LANG value (whether it ends with ".utf8" (or similar) or not); will | |
b6c89768 | 275 | be written as LANG to _/etc/locale.conf_ in the initramfs. |
888d53f2 | 276 | + |
b6c89768 HH |
277 | [listing] |
278 | .Example | |
279 | -- | |
280 | rd.locale.LANG=pl_PL.utf8 | |
281 | -- | |
888d53f2 | 282 | |
b6c89768 | 283 | **rd.locale.LC_ALL=**__<locale>__:: |
888d53f2 HH |
284 | taken from the environment; will be written as LC_ALL to _/etc/locale.conf_ |
285 | in the initramfs | |
286 | ||
287 | LVM | |
288 | ~~~ | |
289 | **rd.lvm=0**:: | |
290 | disable LVM detection | |
291 | ||
b6c89768 | 292 | **rd.lvm.vg=**__<volume group name>__:: |
c800d1a7 HH |
293 | only activate all logical volumes in the the volume groups with the given name. |
294 | rd.lvm.vg can be specified multiple times on the kernel command line. | |
888d53f2 | 295 | |
c800d1a7 HH |
296 | **rd.lvm.lv=**__<volume group name>/<logical volume name>__:: |
297 | only activate the logical volumes with the given name. | |
298 | rd.lvm.lv can be specified multiple times on the kernel command line. | |
888d53f2 HH |
299 | |
300 | **rd.lvm.conf=0**:: | |
301 | remove any _/etc/lvm/lvm.conf_, which may exist in the initramfs | |
302 | ||
303 | crypto LUKS | |
304 | ~~~~~~~~~~~ | |
305 | **rd.luks=0**:: | |
306 | disable crypto LUKS detection | |
307 | ||
b6c89768 | 308 | **rd.luks.uuid=**__<luks uuid>__:: |
888d53f2 HH |
309 | only activate the LUKS partitions with the given UUID. Any "luks-" of the |
310 | LUKS UUID is removed before comparing to _<luks uuid>_. | |
311 | The comparisons also matches, if _<luks uuid>_ is only the beginning of the | |
312 | LUKS UUID, so you don't have to specify the full UUID. | |
313 | This parameter can be specified multiple times. | |
37502d4c A |
314 | _<luks uuid>_ may be prefixed by the keyword `keysource:`, see |
315 | _rd.luks.key_ below. | |
888d53f2 | 316 | |
b6c89768 | 317 | **rd.luks.allow-discards=**__<luks uuid>__:: |
ef9ddb91 HH |
318 | Allow using of discards (TRIM) requests for LUKS partitions with the given |
319 | UUID. Any "luks-" of the LUKS UUID is removed before comparing to | |
320 | _<luks uuid>_. The comparisons also matches, if _<luks uuid>_ is only the | |
321 | beginning of the LUKS UUID, so you don't have to specify the full UUID. | |
5ad3803d HH |
322 | This parameter can be specified multiple times. |
323 | ||
f7235c22 | 324 | **rd.luks.allow-discards**:: |
5ad3803d HH |
325 | Allow using of discards (TRIM) requests on all LUKS partitions. |
326 | ||
888d53f2 HH |
327 | **rd.luks.crypttab=0**:: |
328 | do not check, if LUKS partition is in _/etc/crypttab_ | |
329 | ||
c1688560 NP |
330 | **rd.luks.timeout=**__<seconds>__:: |
331 | specify how long dracut should wait when waiting for the user to enter the | |
332 | password. This avoid blocking the boot if no password is entered. It does | |
333 | not apply to luks key. The default is '0', which means 'forever'. | |
334 | ||
888d53f2 HH |
335 | crypto LUKS - key on removable device support |
336 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
7f0b4862 JB |
337 | |
338 | NB: If systemd is included in the dracut initrd, dracut's built in | |
339 | removable device keying support won't work. systemd will prompt for | |
340 | a password from the console even if you've supplied **rd.luks.key**. | |
341 | You may be able to use standard systemd *fstab*(5) syntax to | |
342 | get the same effect. If you do need **rd.luks.key** to work, | |
343 | you will have to exclude the "systemd" dracut module and any modules | |
344 | that depend on it. See *dracut.conf*(5) and | |
345 | https://bugzilla.redhat.com/show_bug.cgi?id=905683 for more | |
346 | information. | |
347 | ||
348 | **rd.luks.key=**_<keypath>[:<keydev>[:<luksdev>]]_:: | |
349 | _<keypath>_ is the pathname of a key file, relative to the root | |
350 | of the filesystem on some device. It's REQUIRED. When | |
351 | _<keypath>_ ends with '.gpg' it's considered to be key encrypted | |
352 | symmetrically with GPG. You will be prompted for the GPG password on | |
353 | boot. GPG support comes with the 'crypt-gpg' module, which needs to be | |
354 | added explicitly. | |
ef9ddb91 | 355 | + |
7f0b4862 JB |
356 | _<keydev>_ identifies the device on which the key file resides. It may |
357 | be the kernel name of the device (should start with "/dev/"), a UUID | |
358 | (prefixed with "UUID=") or a label (prefix with "LABEL="). You don't | |
359 | have to specify a full UUID. Just its beginning will suffice, even if | |
360 | its ambiguous. All matching devices will be probed. This parameter is | |
361 | recommended, but not required. If it's not present, all block devices will | |
362 | be probed, which may significantly increase boot time. | |
ef9ddb91 | 363 | + |
7f0b4862 JB |
364 | If _<luksdev>_ is given, the specified key will only be used for |
365 | the specified LUKS device. Possible values are the same as for | |
366 | _<keydev>_. Unless you have several LUKS devices, you don't have to | |
367 | specify this parameter. The simplest usage is: | |
888d53f2 | 368 | + |
b6c89768 HH |
369 | [listing] |
370 | .Example | |
371 | -- | |
888d53f2 | 372 | rd.luks.key=/foo/bar.key |
b6c89768 | 373 | -- |
888d53f2 HH |
374 | + |
375 | As you see, you can skip colons in such a case. | |
7f0b4862 | 376 | |
173edca0 AŻ |
377 | [NOTE] |
378 | =============================== | |
7f0b4862 JB |
379 | Your LUKS partition must match your key file. |
380 | ||
381 | dracut provides keys to cryptsetup with _-d_ (an older alias for | |
382 | _--key-file_). This uses the entire binary | |
383 | content of the key file as part of the secret. If | |
384 | you pipe a password into cryptsetup *without* _-d_ or _--key-file_, | |
385 | it will be treated as text user input, and only characters before | |
386 | the first newline will be used. Therefore, when you're creating | |
387 | an encrypted partition for dracut to mount, and you pipe a key into | |
388 | _cryptsetup luksFormat_,you must use _-d -_. | |
173edca0 | 389 | |
7f0b4862 JB |
390 | Here is an example for a key encrypted with GPG (warning: |
391 | _--batch-mode_ will overwrite the device without asking for | |
392 | confirmation): | |
173edca0 | 393 | |
b6c89768 HH |
394 | [listing] |
395 | -- | |
396 | gpg --quiet --decrypt rootkey.gpg | \ | |
7f0b4862 JB |
397 | cryptsetup --batch-mode --key-file - \ |
398 | luksFormat /dev/sda47 | |
b6c89768 | 399 | -- |
173edca0 | 400 | |
7f0b4862 JB |
401 | If you use unencrypted key files, just use the key file pathname |
402 | instead of the standard input. For a random key with 256 bits of | |
403 | entropy, you might use: | |
173edca0 | 404 | |
b6c89768 HH |
405 | [listing] |
406 | -- | |
7f0b4862 JB |
407 | head -32c /dev/urandom > rootkey.key |
408 | cryptsetup --batch-mode --key-file rootkey.key \ | |
409 | luksFormat /dev/sda47 | |
b6c89768 | 410 | -- |
37502d4c A |
411 | |
412 | You can also use regular key files on an encrypted _keydev_. | |
413 | ||
414 | Compared to using GPG encrypted keyfiles on an unencrypted | |
415 | device this provides the following advantages: | |
416 | ||
417 | - you can unlock your disk(s) using multiple passphrases | |
418 | - better security by not loosing the key stretching mechanism | |
419 | ||
420 | To use an encrypted _keydev_ you *must* ensure that it becomes | |
421 | available by using the keyword `keysource`, e.g. | |
422 | `rd.luks.uuid=keysource:aaaa` | |
423 | _aaaa_ being the uuid of the encrypted _keydev_. | |
424 | ||
425 | Example: | |
426 | ||
427 | Lets assume you have three disks _A_, _B_ and _C_ with the uuids | |
428 | _aaaa_, _bbbb_ and _cccc_. + | |
429 | You want to unlock _A_ and _B_ using keyfile _keyfile_. + | |
430 | The unlocked volumes be _A'_, _B'_ and _C'_ with the uuids | |
431 | _AAAA_, _BBBB_ and _CCCC_. + | |
432 | _keyfile_ is saved on _C'_ as _/keyfile_. | |
433 | ||
434 | One luks keyslot of each _A_, _B_ and _C_ is setup with a | |
435 | passphrase. + | |
436 | Another luks keyslot of each _A_ and _B_ is setup with _keyfile_. | |
437 | ||
438 | To boot this configuration you could use: | |
439 | [listing] | |
440 | -- | |
441 | rd.luks.uuid=aaaa | |
442 | rd.luks.uuid=bbbb | |
443 | rd.luks.uuid=keysource:cccc | |
444 | rd.luks.key=/keyfile:UUID=CCCC | |
445 | -- | |
446 | Dracut asks for the passphrase for _C_ and uses the | |
447 | keyfile to unlock _A_ and _B_. + | |
448 | If getting the passphrase for _C_ fails it falls back to | |
449 | asking for the passphrases for _A_ and _B_. | |
450 | ||
451 | If you want _C'_ to stay unlocked, specify a luks name for | |
452 | it, e.g. `rd.luks.name=cccc=mykeys`, otherwise it gets closed | |
453 | when not needed anymore. | |
173edca0 | 454 | =============================== |
888d53f2 HH |
455 | |
456 | MD RAID | |
457 | ~~~~~~~ | |
458 | **rd.md=0**:: | |
459 | disable MD RAID detection | |
460 | ||
461 | **rd.md.imsm=0**:: | |
462 | disable MD RAID for imsm/isw raids, use DM RAID instead | |
463 | ||
464 | **rd.md.ddf=0**:: | |
465 | disable MD RAID for SNIA ddf raids, use DM RAID instead | |
466 | ||
467 | **rd.md.conf=0**:: | |
468 | ignore mdadm.conf included in initramfs | |
469 | ||
470 | **rd.md.waitclean=1**:: | |
ef9ddb91 HH |
471 | wait for any resync, recovery, or reshape activity to finish before |
472 | continuing | |
888d53f2 | 473 | |
b6c89768 | 474 | **rd.md.uuid=**__<md raid uuid>__:: |
888d53f2 HH |
475 | only activate the raid sets with the given UUID. This parameter can be |
476 | specified multiple times. | |
477 | ||
478 | DM RAID | |
479 | ~~~~~~~ | |
480 | **rd.dm=0**:: | |
481 | disable DM RAID detection | |
482 | ||
b6c89768 | 483 | **rd.dm.uuid=**__<dm raid uuid>__:: |
888d53f2 HH |
484 | only activate the raid sets with the given UUID. This parameter can be |
485 | specified multiple times. | |
486 | ||
778b3543 HH |
487 | MULTIPATH |
488 | ~~~~~~~~~ | |
489 | **rd.multipath=0**:: | |
490 | disable multipath detection | |
491 | ||
b8a92b71 BH |
492 | **rd.multipath=default**:: |
493 | use default multipath settings | |
494 | ||
888d53f2 HH |
495 | FIPS |
496 | ~~~~ | |
497 | **rd.fips**:: | |
498 | enable FIPS | |
499 | ||
b6c89768 HH |
500 | **boot=**__<boot device>__:: |
501 | specify the device, where /boot is located. | |
888d53f2 | 502 | + |
b6c89768 HH |
503 | [listing] |
504 | .Example | |
505 | -- | |
888d53f2 HH |
506 | boot=/dev/sda1 |
507 | boot=/dev/disk/by-path/pci-0000:00:1f.1-scsi-0:0:1:0-part1 | |
508 | boot=UUID=<uuid> | |
509 | boot=LABEL=<label> | |
b6c89768 | 510 | -- |
888d53f2 HH |
511 | |
512 | **rd.fips.skipkernel**:: | |
513 | skip checksum check of the kernel image. Useful, if the kernel image is not | |
514 | in a separate boot partition. | |
515 | ||
516 | Network | |
517 | ~~~~~~~ | |
b6c89768 HH |
518 | |
519 | [IMPORTANT] | |
520 | ===================== | |
ef9ddb91 HH |
521 | It is recommended to either bind an interface to a MAC with the **ifname** |
522 | argument, or to use the systemd-udevd predictable network interface names. | |
b6c89768 HH |
523 | |
524 | Predictable network interface device names based on: | |
525 | ||
526 | - firmware/bios-provided index numbers for on-board devices | |
527 | - firmware-provided pci-express hotplug slot index number | |
528 | - physical/geographical location of the hardware | |
529 | - the interface's MAC address | |
530 | ||
ef9ddb91 HH |
531 | See: |
532 | http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames | |
b6c89768 HH |
533 | |
534 | Two character prefixes based on the type of interface: | |
535 | ||
536 | en:: ethernet | |
537 | wl:: wlan | |
538 | ww:: wwan | |
539 | ||
540 | Type of names: | |
541 | ||
542 | o<index>:: on-board device index number | |
543 | s<slot>[f<function>][d<dev_id>]:: hotplug slot index number | |
544 | x<MAC>:: MAC address | |
545 | [P<domain>]p<bus>s<slot>[f<function>][d<dev_id>]:: PCI geographical location | |
546 | [P<domain>]p<bus>s<slot>[f<function>][u<port>][..][c<config>][i<interface>]:: USB port number chain | |
547 | ||
548 | All multi-function PCI devices will carry the [f<function>] number in the | |
549 | device name, including the function 0 device. | |
550 | ||
551 | When using PCI geography, The PCI domain is only prepended when it is not 0. | |
552 | ||
553 | For USB devices the full chain of port numbers of hubs is composed. If the | |
554 | name gets longer than the maximum number of 15 characters, the name is not | |
555 | exported. | |
556 | The usual USB configuration == 1 and interface == 0 values are suppressed. | |
557 | ||
558 | PCI ethernet card with firmware index "1":: | |
559 | * eno1 | |
560 | ||
561 | PCI ethernet card in hotplug slot with firmware index number:: | |
562 | * ens1 | |
563 | ||
564 | PCI ethernet multi-function card with 2 ports:: | |
565 | * enp2s0f0 | |
566 | * enp2s0f1 | |
567 | ||
568 | PCI wlan card:: | |
569 | * wlp3s0 | |
570 | ||
571 | USB built-in 3G modem:: | |
572 | * wwp0s29u1u4i6 | |
573 | ||
574 | USB Android phone:: | |
575 | * enp0s29u1u2 | |
576 | ===================== | |
577 | ||
b12f8188 | 578 | **ip=**__{dhcp|on|any|dhcp6|auto6|either6|link6|single-dhcp}__:: |
ef9ddb91 HH |
579 | dhcp|on|any::: get ip from dhcp server from all interfaces. If root=dhcp, |
580 | loop sequentially through all interfaces (eth0, eth1, ...) and use the first | |
581 | with a valid DHCP root-path. | |
888d53f2 | 582 | |
4026cd3b AK |
583 | single-dhcp::: Send DHCP on all available interfaces in parallel, as |
584 | opposed to one after another. After the first DHCP response is received, | |
67bcc493 | 585 | stop DHCP on all other interfaces. This gives the fastest boot time by |
4026cd3b AK |
586 | using the IP on interface for which DHCP succeeded first during early boot. |
587 | Caveat: Does not apply to Network Manager and to SUSE using wicked. | |
588 | ||
888d53f2 HH |
589 | auto6::: IPv6 autoconfiguration |
590 | ||
591 | dhcp6::: IPv6 DHCP | |
592 | ||
67354eeb PL |
593 | either6::: if auto6 fails, then dhcp6 |
594 | ||
b12f8188 JJ |
595 | link6::: bring up interface for IPv6 link-local addressing |
596 | ||
597 | **ip=**__<interface>__:__{dhcp|on|any|dhcp6|auto6|link6}__[:[__<mtu>__][:__<macaddr>__]]:: | |
888d53f2 HH |
598 | This parameter can be specified multiple times. |
599 | + | |
1760dfc0 | 600 | ===================== |
888d53f2 HH |
601 | dhcp|on|any|dhcp6::: get ip from dhcp server on a specific interface |
602 | auto6::: do IPv6 autoconfiguration | |
b12f8188 | 603 | link6::: bring up interface for IPv6 link local address |
1760dfc0 HH |
604 | <macaddr>::: optionally **set** <macaddr> on the <interface>. This |
605 | cannot be used in conjunction with the **ifname** argument for the | |
606 | same <interface>. | |
607 | ===================== | |
608 | ||
0a7d7f63 | 609 | **ip=**__<client-IP>__:[__<peer>__]:__<gateway-IP>__:__<netmask>__:__<client_hostname>__:__<interface>__:__{none|off|dhcp|on|any|dhcp6|auto6|ibft}__[:[__<mtu>__][:__<macaddr>__]]:: |
888d53f2 HH |
610 | explicit network configuration. If you want do define a IPv6 address, put it |
611 | in brackets (e.g. [2001:DB8::1]). This parameter can be specified multiple | |
e38e73d5 | 612 | times. __<peer>__ is optional and is the address of the remote endpoint |
ef9ddb91 HH |
613 | for pointopoint interfaces and it may be followed by a slash and a decimal |
614 | number, encoding the network prefix length. | |
990e945f | 615 | + |
1760dfc0 HH |
616 | ===================== |
617 | <macaddr>::: optionally **set** <macaddr> on the <interface>. This | |
618 | cannot be used in conjunction with the **ifname** argument for the | |
619 | same <interface>. | |
620 | ===================== | |
621 | ||
1982098e HH |
622 | **ip=**__<client-IP>__:[__<peer>__]:__<gateway-IP>__:__<netmask>__:__<client_hostname>__:__<interface>__:__{none|off|dhcp|on|any|dhcp6|auto6|ibft}__[:[__<dns1>__][:__<dns2>__]]:: |
623 | explicit network configuration. If you want do define a IPv6 address, put it | |
624 | in brackets (e.g. [2001:DB8::1]). This parameter can be specified multiple | |
625 | times. __<peer>__ is optional and is the address of the remote endpoint | |
626 | for pointopoint interfaces and it may be followed by a slash and a decimal | |
627 | number, encoding the network prefix length. | |
628 | ||
b6c89768 | 629 | **ifname=**__<interface>__:__<MAC>__:: |
ead8729b | 630 | Assign network device name <interface> (i.e. "bootnet") to the NIC with |
ef9ddb91 | 631 | MAC <MAC>. |
1760dfc0 | 632 | + |
b6c89768 | 633 | WARNING: Do **not** use the default kernel naming scheme for the interface name, |
1760dfc0 HH |
634 | as it can conflict with the kernel names. So, don't use "eth[0-9]+" for the |
635 | interface name. Better name it "bootnet" or "bluesocket". | |
888d53f2 | 636 | |
7b46244b HH |
637 | **rd.route=**__<net>__/__<netmask>__:__<gateway>__[:__<interface>__]:: |
638 | Add a static route with route options, which are separated by a colon. | |
639 | IPv6 addresses have to be put in brackets. | |
640 | + | |
641 | [listing] | |
642 | .Example | |
643 | -- | |
644 | rd.route=192.168.200.0/24:192.168.100.222:ens10 | |
645 | rd.route=192.168.200.0/24:192.168.100.222 | |
646 | rd.route=192.168.200.0/24::ens10 | |
647 | rd.route=[2001:DB8:3::/8]:[2001:DB8:2::1]:ens10 | |
648 | -- | |
649 | ||
b6c89768 | 650 | **bootdev=**__<interface>__:: |
888d53f2 HH |
651 | specify network interface to use routing and netroot information from. |
652 | Required if multiple ip= lines are used. | |
653 | ||
ee993857 HH |
654 | **BOOTIF=**__<MAC>__:: |
655 | specify network interface to use routing and netroot information from. | |
656 | ||
657 | **rd.bootif=0**:: | |
658 | Disable BOOTIF parsing, which is provided by PXE | |
659 | ||
888d53f2 HH |
660 | **nameserver=**__<IP>__ [**nameserver=**__<IP>__ ...]:: |
661 | specify nameserver(s) to use | |
662 | ||
df0bdd5a HH |
663 | **rd.peerdns=0**:: |
664 | Disable DNS setting of DHCP parameters. | |
665 | ||
888d53f2 HH |
666 | **biosdevname=0**:: |
667 | boolean, turn off biosdevname network interface renaming | |
668 | ||
48dba7f9 HH |
669 | **rd.neednet=1**:: |
670 | boolean, bring up network even without netroot set | |
671 | ||
b6c89768 | 672 | **vlan=**__<vlanname>__:__<phydevice>__:: |
f87605e3 | 673 | Setup vlan device named <vlanname> on <phydevice>. |
ef9ddb91 HH |
674 | We support the four styles of vlan names: VLAN_PLUS_VID (vlan0005), |
675 | VLAN_PLUS_VID_NO_PAD (vlan5), DEV_PLUS_VID (eth0.0005), | |
676 | DEV_PLUS_VID_NO_PAD (eth0.5) | |
144787fe | 677 | |
65960fda | 678 | **bond=**__<bondname>__[:__<bondslaves>__:[:__<options>__[:<mtu>]]]:: |
c438bdb0 AW |
679 | Setup bonding device <bondname> on top of <bondslaves>. |
680 | <bondslaves> is a comma-separated list of physical (ethernet) interfaces. | |
ef9ddb91 HH |
681 | <options> is a comma-separated list on bonding options (modinfo bonding for |
682 | details) in format compatible with initscripts. If <options> includes | |
683 | multi-valued arp_ip_target option, then its values should be separated by | |
65960fda HH |
684 | semicolon. if the mtu is specified, it will be set on the bond master. |
685 | Bond without parameters assumes | |
ef9ddb91 | 686 | bond=bond0:eth0,eth1:mode=balance-rr |
c438bdb0 | 687 | |
e4483e59 | 688 | **team=**__<teammaster>__:__<teamslaves>__[:__<teamrunner>__]:: |
3baa150b CW |
689 | Setup team device <teammaster> on top of <teamslaves>. |
690 | <teamslaves> is a comma-separated list of physical (ethernet) interfaces. | |
e4483e59 RT |
691 | <teamrunner> is the runner type to be used (see *teamd.conf*(5)); defaults to |
692 | activebackup. | |
693 | Team without parameters assumes | |
694 | team=team0:eth0,eth1:activebackup | |
3baa150b | 695 | |
b6c89768 | 696 | **bridge=**__<bridgename>__:__<ethnames>__:: |
21928b97 | 697 | Setup bridge <bridgename> with <ethnames>. <ethnames> is a comma-separated |
ef9ddb91 HH |
698 | list of physical (ethernet) interfaces. Bridge without parameters assumes |
699 | bridge=br0:eth0 | |
9337c692 | 700 | |
888d53f2 HH |
701 | NFS |
702 | ~~~ | |
b6c89768 | 703 | **root=**\[_<server-ip>_:]__<root-dir>__[:__<nfs-options>__]:: |
888d53f2 | 704 | mount nfs share from <server-ip>:/<root-dir>, if no server-ip is given, use |
7b46244b | 705 | dhcp next_server. If server-ip is an IPv6 address it has to be put in |
888d53f2 | 706 | brackets, e.g. [2001:DB8::1]. NFS options can be appended with the prefix |
d0921882 | 707 | ":" or "," and are separated by ",". |
888d53f2 | 708 | |
b6c89768 | 709 | **root=**nfs:\[_<server-ip>_:]__<root-dir>__[:__<nfs-options>__], **root=**nfs4:\[_<server-ip>_:]__<root-dir>__[:__<nfs-options>__], **root=**__{dhcp|dhcp6}__:: |
888d53f2 HH |
710 | root=dhcp alone directs initrd to look at the DHCP root-path where NFS |
711 | options can be specified. | |
712 | + | |
b6c89768 HH |
713 | [listing] |
714 | .Example | |
715 | -- | |
888d53f2 HH |
716 | root-path=<server-ip>:<root-dir>[,<nfs-options>] |
717 | root-path=nfs:<server-ip>:<root-dir>[,<nfs-options>] | |
718 | root-path=nfs4:<server-ip>:<root-dir>[,<nfs-options>] | |
b6c89768 | 719 | -- |
888d53f2 | 720 | |
b6c89768 | 721 | **root=**_/dev/nfs_ nfsroot=\[_<server-ip>_:]__<root-dir>__[:__<nfs-options>__]:: |
888d53f2 HH |
722 | _Deprecated!_ kernel Documentation_/filesystems/nfsroot.txt_ defines this |
723 | method. This is supported by dracut, but not recommended. | |
724 | ||
b6c89768 | 725 | **rd.nfs.domain=**__<NFSv4 domain name>__:: |
85c8217d | 726 | Set the NFSv4 domain name. Will override the settings in _/etc/idmap.conf_. |
888d53f2 | 727 | |
2448fbf1 HH |
728 | **rd.net.dhcp.retry=**__<cnt>__:: |
729 | If this option is set, dracut will try to connect via dhcp <cnt> times before failing. | |
730 | Default is 1. | |
731 | ||
732 | **rd.net.timeout.dhcp=**__<arg>__:: | |
733 | If this option is set, dhclient is called with "-timeout <arg>". | |
734 | ||
735 | **rd.net.timeout.iflink=**__<seconds>__:: | |
736 | Wait <seconds> until link shows up. Default is 60 seconds. | |
737 | ||
738 | **rd.net.timeout.ifup=**__<seconds>__:: | |
739 | Wait <seconds> until link has state "UP". Default is 20 seconds. | |
740 | ||
741 | **rd.net.timeout.route=**__<seconds>__:: | |
742 | Wait <seconds> until route shows up. Default is 20 seconds. | |
743 | ||
744 | **rd.net.timeout.ipv6dad=**__<seconds>__:: | |
745 | Wait <seconds> until IPv6 DAD is finished. Default is 50 seconds. | |
746 | ||
747 | **rd.net.timeout.ipv6auto=**__<seconds>__:: | |
748 | Wait <seconds> until IPv6 automatic addresses are assigned. Default is 40 seconds. | |
749 | ||
750 | **rd.net.timeout.carrier=**__<seconds>__:: | |
579fbb9f | 751 | Wait <seconds> until carrier is recognized. Default is 10 seconds. |
2448fbf1 | 752 | |
d580636e MG |
753 | CIFS |
754 | ~~~ | |
b6c89768 | 755 | **root=**cifs://[__<username>__[:__<password>__]@]__<server-ip>__:__<root-dir>__:: |
d580636e MG |
756 | mount cifs share from <server-ip>:/<root-dir>, if no server-ip is given, use |
757 | dhcp next_server. if server-ip is an IPv6 address it has to be put in | |
758 | brackets, e.g. [2001:DB8::1]. If a username or password are not specified | |
759 | as part of the root, then they must be passed on the command line through | |
760 | cifsuser/cifspass. | |
833685de | 761 | + |
ef9ddb91 HH |
762 | WARNING: Passwords specified on the kernel command line are visible for all |
763 | users via the file _/proc/cmdline_ and via dmesg or can be sniffed on the | |
764 | network, when using DHCP with DHCP root-path. | |
d580636e | 765 | |
b6c89768 | 766 | **cifsuser**=__<username>__:: |
d580636e MG |
767 | Set the cifs username, if not specified as part of the root. |
768 | ||
b6c89768 | 769 | **cifspass**=__<password>__:: |
d580636e | 770 | Set the cifs password, if not specified as part of the root. |
833685de | 771 | + |
ef9ddb91 HH |
772 | WARNING: Passwords specified on the kernel command line are visible for all |
773 | users via the file _/proc/cmdline_ and via dmesg or can be sniffed on the | |
774 | network, when using DHCP with DHCP root-path. | |
d580636e | 775 | |
888d53f2 HH |
776 | iSCSI |
777 | ~~~~~ | |
b6c89768 | 778 | **root=**iscsi:[__<username>__:__<password>__[:__<reverse>__:__<password>__]@][__<servername>__]:[__<protocol>__]:[__<port>__][:[__<iscsi_iface_name>__]:[__<netdev_name>__]]:[__<LUN>__]:__<targetname>__:: |
888d53f2 HH |
779 | protocol defaults to "6", LUN defaults to "0". If the "servername" field is |
780 | provided by BOOTP or DHCP, then that field is used in conjunction with other | |
781 | associated fields to contact the boot server in the Boot stage. However, if | |
782 | the "servername" field is not provided, then the "targetname" field is then | |
783 | used in the Discovery Service stage in conjunction with other associated | |
784 | fields. See | |
785 | link:$$http://tools.ietf.org/html/rfc4173#section-5$$[rfc4173]. | |
888d53f2 | 786 | + |
ef9ddb91 HH |
787 | WARNING: Passwords specified on the kernel command line are visible for all |
788 | users via the file _/proc/cmdline_ and via dmesg or can be sniffed on the | |
789 | network, when using DHCP with DHCP root-path. | |
b6c89768 HH |
790 | + |
791 | [listing] | |
792 | .Example | |
793 | -- | |
888d53f2 | 794 | root=iscsi:192.168.50.1::::iqn.2009-06.dracut:target0 |
b6c89768 | 795 | -- |
888d53f2 | 796 | + |
b6c89768 | 797 | If servername is an IPv6 address, it has to be put in brackets: |
888d53f2 | 798 | + |
b6c89768 HH |
799 | [listing] |
800 | .Example | |
801 | -- | |
888d53f2 | 802 | root=iscsi:[2001:DB8::1]::::iqn.2009-06.dracut:target0 |
b6c89768 | 803 | -- |
888d53f2 | 804 | |
b6c89768 HH |
805 | **root=**__???__ **netroot=**iscsi:[__<username>__:__<password>__[:__<reverse>__:__<password>__]@][__<servername>__]:[__<protocol>__]:[__<port>__][:[__<iscsi_iface_name>__]:[__<netdev_name>__]]:[__<LUN>__]:__<targetname>__ ...:: |
806 | multiple netroot options allow setting up multiple iscsi disks: | |
888d53f2 | 807 | + |
b6c89768 HH |
808 | [listing] |
809 | .Example | |
810 | -- | |
888d53f2 HH |
811 | root=UUID=12424547 |
812 | netroot=iscsi:192.168.50.1::::iqn.2009-06.dracut:target0 | |
813 | netroot=iscsi:192.168.50.1::::iqn.2009-06.dracut:target1 | |
b6c89768 | 814 | -- |
888d53f2 | 815 | + |
b6c89768 | 816 | If servername is an IPv6 address, it has to be put in brackets: |
888d53f2 | 817 | + |
b6c89768 HH |
818 | [listing] |
819 | .Example | |
820 | -- | |
888d53f2 | 821 | netroot=iscsi:[2001:DB8::1]::::iqn.2009-06.dracut:target0 |
b6c89768 | 822 | -- |
833685de | 823 | + |
ef9ddb91 HH |
824 | WARNING: Passwords specified on the kernel command line are visible for all |
825 | users via the file _/proc/cmdline_ and via dmesg or can be sniffed on the | |
826 | network, when using DHCP with DHCP root-path. | |
827 | You may want to use rd.iscsi.firmware. | |
888d53f2 | 828 | |
b6c89768 | 829 | **root=**__???__ **rd.iscsi.initiator=**__<initiator>__ **rd.iscsi.target.name=**__<target name>__ **rd.iscsi.target.ip=**__<target ip>__ **rd.iscsi.target.port=**__<target port>__ **rd.iscsi.target.group=**__<target group>__ **rd.iscsi.username=**__<username>__ **rd.iscsi.password=**__<password>__ **rd.iscsi.in.username=**__<in username>__ **rd.iscsi.in.password=**__<in password>__:: |
888d53f2 | 830 | manually specify all iscsistart parameter (see **+iscsistart --help+**) |
833685de | 831 | + |
ef9ddb91 HH |
832 | WARNING: Passwords specified on the kernel command line are visible for all |
833 | users via the file _/proc/cmdline_ and via dmesg or can be sniffed on the | |
834 | network, when using DHCP with DHCP root-path. | |
835 | You may want to use rd.iscsi.firmware. | |
888d53f2 HH |
836 | |
837 | **root=**_???_ **netroot=**iscsi **rd.iscsi.firmware=1**:: | |
838 | will read the iscsi parameter from the BIOS firmware | |
839 | ||
6ccb58a5 HH |
840 | **rd.iscsi.login_retry_max=**__<num>__:: |
841 | maximum number of login retries | |
842 | ||
b6c89768 | 843 | **rd.iscsi.param=**__<param>__:: |
8d51acbb HH |
844 | <param> will be passed as "--param <param>" to iscsistart. |
845 | This parameter can be specified multiple times. | |
8d51acbb | 846 | + |
b6c89768 HH |
847 | [listing] |
848 | .Example | |
849 | -- | |
833685de | 850 | "netroot=iscsi rd.iscsi.firmware=1 rd.iscsi.param=node.session.timeo.replacement_timeout=30" |
b6c89768 | 851 | -- |
8d51acbb HH |
852 | + |
853 | will result in | |
854 | + | |
b6c89768 HH |
855 | [listing] |
856 | -- | |
8d51acbb | 857 | iscsistart -b --param node.session.timeo.replacement_timeout=30 |
b6c89768 | 858 | -- |
8d51acbb | 859 | |
5580e4c1 HH |
860 | **rd.iscsi.ibft** **rd.iscsi.ibft=1**: |
861 | Turn on iBFT autoconfiguration for the interfaces | |
862 | ||
c7ee6b3d ES |
863 | **rd.iscsi.mp** **rd.iscsi.mp=1**: |
864 | Configure all iBFT interfaces, not only used for booting (multipath) | |
865 | ||
69171aa8 HH |
866 | **rd.iscsi.waitnet=0**: |
867 | Turn off waiting for all interfaces to be up before trying to login to the iSCSI targets. | |
868 | ||
869 | **rd.iscsi.testroute=0**: | |
870 | Turn off checking, if the route to the iSCSI target IP is possible before trying to login. | |
871 | ||
888d53f2 HH |
872 | FCoE |
873 | ~~~~ | |
6f7823bc | 874 | **rd.fcoe=0**:: |
7c6d2ad9 PT |
875 | disable FCoE and lldpad |
876 | ||
c75196e1 | 877 | **fcoe=**__<edd|interface|MAC>__:__{dcb|nodcb}__:__{fabric|vn2vn}__:: |
888d53f2 | 878 | Try to connect to a FCoE SAN through the NIC specified by _<interface>_ or |
c75196e1 HR |
879 | _<MAC>_ or EDD settings. The second argument specifies if DCB |
880 | should be used. The optional third argument specifies whether | |
881 | fabric or VN2VN mode should be used. | |
882 | This parameter can be specified multiple times. | |
1760dfc0 | 883 | + |
b6c89768 | 884 | NOTE: letters in the MAC-address must be lowercase! |
888d53f2 | 885 | |
e9a614b5 HR |
886 | NVMf |
887 | ~~~~ | |
888 | **rd.nvmf.hostnqn=**__<hostNQN>__:: | |
889 | NVMe host NQN to use | |
890 | ||
891 | **rd.nvmf.hostid=**__<hostID>__:: | |
892 | NVMe host id to use | |
893 | ||
894 | **rd.nvmf.discover=**__{rdma|fc|tcp}__,__<traddr>__,[__<host_traddr>__],[__<trsvcid>__]:: | |
895 | Discover and connect to a NVMe-over-Fabric controller specified by | |
896 | _<traddr>_ and the optionally _<host_traddr>_ or _<trsvcid>_. | |
897 | The first argument specifies the transport to use; currently only | |
898 | 'rdma', 'fc', or 'tcp' are supported. | |
251b4247 HR |
899 | The _<traddr>_ parameter can be set to 'auto' to select |
900 | autodiscovery; in that case all other parameters are ignored. | |
e9a614b5 HR |
901 | This parameter can be specified multiple times. |
902 | ||
888d53f2 HH |
903 | NBD |
904 | ~~~ | |
b070c1d3 HH |
905 | **root=**??? **netroot=**nbd:__<server>__:__<port/exportname>__[:__<fstype>__[:__<mountopts>__[:__<nbdopts>__]]]:: |
906 | mount nbd share from <server>. | |
907 | + | |
908 | NOTE: | |
909 | If "exportname" instead of "port" is given the standard port is used. | |
910 | Newer versions of nbd are only supported with "exportname". | |
888d53f2 | 911 | |
b070c1d3 | 912 | **root=dhcp** with **dhcp** **root-path=**nbd:__<server>__:__<port/exportname>__[:__<fstype>__[:__<mountopts>__[:__<nbdopts>__]]]:: |
888d53f2 HH |
913 | root=dhcp alone directs initrd to look at the DHCP root-path where NBD |
914 | options can be specified. This syntax is only usable in cases where you are | |
915 | directly mounting the volume as the rootfs. | |
b070c1d3 HH |
916 | + |
917 | NOTE: | |
918 | If "exportname" instead of "port" is given the standard port is used. | |
919 | Newer versions of nbd are only supported with "exportname". | |
888d53f2 HH |
920 | |
921 | DASD | |
922 | ~~~~ | |
4d76a85d | 923 | **rd.dasd=**....:: |
888d53f2 HH |
924 | same syntax as the kernel module parameter (s390 only) |
925 | ||
888d53f2 HH |
926 | ZFCP |
927 | ~~~~ | |
b6c89768 | 928 | **rd.zfcp=**__<zfcp adaptor device bus ID>__,__<WWPN>__,__<FCPLUN>__:: |
c8aa1d94 HR |
929 | rd.zfcp can be specified multiple times on the kernel command |
930 | line. | |
931 | ||
932 | **rd.zfcp=**__<zfcp adaptor device bus ID>__:: | |
933 | If NPIV is enabled and the 'allow_lun_scan' parameter to the zfcp | |
934 | module is set to 'Y' then the zfcp adaptor will be initiating a | |
935 | scan internally and the <WWPN> and <FCPLUN> parameters can be omitted. | |
888d53f2 | 936 | + |
b6c89768 HH |
937 | [listing] |
938 | .Example | |
939 | -- | |
888d53f2 | 940 | rd.zfcp=0.0.4000,0x5005076300C213e9,0x5022000000000000 |
c8aa1d94 | 941 | rd.zfcp=0.0.4000 |
b6c89768 | 942 | -- |
888d53f2 HH |
943 | |
944 | **rd.zfcp.conf=0**:: | |
945 | ignore zfcp.conf included in the initramfs | |
946 | ||
947 | ZNET | |
948 | ~~~~ | |
b6c89768 | 949 | **rd.znet=**__<nettype>__,__<subchannels>__,__<options>__:: |
a5420672 HH |
950 | The whole parameter is appended to /etc/ccw.conf, which is used on |
951 | RHEL/Fedora with ccw_init, which is called from udev for certain | |
952 | devices on z-series. | |
b6c89768 | 953 | rd.znet can be specified multiple times on the kernel command line. |
872eb699 KS |
954 | |
955 | **rd.znet_ifname=**__<ifname>__:__<subchannels>__:: | |
956 | Assign network device name <interface> (i.e. "bootnet") to the NIC | |
957 | corresponds to the subchannels. This is useful when dracut's default | |
958 | "ifname=" doesn't work due to device having a changing MAC address. | |
888d53f2 | 959 | + |
b6c89768 HH |
960 | [listing] |
961 | .Example | |
962 | -- | |
888d53f2 | 963 | rd.znet=qeth,0.0.0600,0.0.0601,0.0.0602,layer2=1,portname=foo |
62fd2b36 | 964 | rd.znet=ctc,0.0.0600,0.0.0601,protocol=bar |
b6c89768 | 965 | -- |
888d53f2 | 966 | |
504c0a8f MH |
967 | Booting live images |
968 | ~~~~~~~~~~~~~~~~~~~ | |
969 | Dracut offers multiple options for live booted images: | |
970 | ||
971 | ===================== | |
789668de FG |
972 | SquashFS with read-only filesystem image::: The system will boot with a |
973 | read-only filesystem from the SquashFS and apply a writable Device-mapper | |
974 | snapshot or an OverlayFS overlay mount for the read-only base filesystem. This | |
975 | method ensures a relatively fast boot and lower RAM usage. Users **must be | |
976 | careful** to avoid writing too many blocks to a snapshot volume. Once the | |
977 | blocks of the snapshot overlay are exhausted, the root filesystem becomes | |
978 | read-only and may cause application failures. The snapshot overlay file is | |
979 | marked 'Overflow', and a difficult recovery is required to repair and enlarge | |
980 | the overlay offline. Non-persistent overlays are sparse files in RAM that only | |
981 | consume content space as required blocks are allocated. They default to an | |
982 | apparent size of 32 GiB in RAM. The size can be adjusted with the | |
983 | **rd.live.overlay.size=** kernel command line option. | |
504c0a8f | 984 | + |
789668de | 985 | The filesystem structure is traditionally expected to be: |
504c0a8f MH |
986 | + |
987 | [listing] | |
988 | -- | |
789668de | 989 | squashfs.img | SquashFS from LiveCD .iso |
504c0a8f MH |
990 | !(mount) |
991 | /LiveOS | |
ea288240 | 992 | |- rootfs.img | Filesystem image to mount read-only |
504c0a8f MH |
993 | !(mount) |
994 | /bin | Live filesystem | |
995 | /boot | | |
996 | /dev | | |
997 | ... | | |
998 | -- | |
999 | + | |
789668de FG |
1000 | For OverlayFS mount overlays, the filesystem structure may also be a direct |
1001 | compression of the root filesystem: | |
1002 | + | |
1003 | [listing] | |
1004 | -- | |
1005 | squashfs.img | SquashFS from LiveCD .iso | |
1006 | !(mount) | |
1007 | /bin | Live filesystem | |
1008 | /boot | | |
1009 | /dev | | |
1010 | ... | | |
1011 | -- | |
1012 | + | |
1013 | Dracut uses one of the overlay methods of live booting by default. No | |
1014 | additional command line options are required other than **root=live:<URL>** to | |
1015 | specify the location of your squashed filesystem. | |
504c0a8f | 1016 | + |
33a4198e FG |
1017 | - The compressed SquashFS image can be copied during boot to RAM at |
1018 | `/run/initramfs/squashed.img` by using the **rd.live.ram=1** option. | |
789668de | 1019 | - A device with a persistent overlay can be booted read-only by using the |
33a4198e | 1020 | **rd.live.overlay.readonly** option on the kernel command line. This will |
789668de FG |
1021 | either cause a temporary, writable overlay to be stacked over a read-only |
1022 | snapshot of the root filesystem or the OverlayFS mount will use an additional | |
1023 | lower layer with the root filesystem. | |
33a4198e FG |
1024 | + |
1025 | Uncompressed live filesystem image::: | |
1026 | When the live system was installed with the '--skipcompress' option of the | |
1027 | __livecd-iso-to-disk__ installation script for Live USB devices, the root | |
789668de | 1028 | filesystem image, __rootfs.img__, is expanded on installation and no SquashFS |
33a4198e FG |
1029 | is involved during boot. |
1030 | + | |
1031 | - If **rd.live.ram=1** is used in this situation, the full, uncompressed | |
1032 | root filesystem is copied during boot to `/run/initramfs/rootfs.img` in the | |
1033 | `/run` tmpfs. | |
1034 | + | |
1035 | - If **rd.live.overlay=none** is provided as a kernel command line option, | |
789668de | 1036 | a writable, linear Device-mapper target is created on boot with no overlay. |
33a4198e | 1037 | |
789668de | 1038 | Writable filesystem image::: |
33a4198e FG |
1039 | The system will retrieve a compressed filesystem image, extract it to |
1040 | `/run/initramfs/fsimg/rootfs.img`, connect it to a loop device, create a | |
789668de | 1041 | writable, linear Device-mapper target at `/dev/mapper/live-rw`, and mount that |
33a4198e FG |
1042 | as a writable volume at `/`. More RAM is required during boot but the live |
1043 | filesystem is easier to manage if it becomes full. Users can make a filesystem | |
1044 | image of any size and that size will be maintained when the system boots. There | |
1045 | is no persistence of root filesystem changes between boots with this option. | |
504c0a8f MH |
1046 | + |
1047 | The filesystem structure is expected to be: | |
1048 | + | |
1049 | [listing] | |
1050 | -- | |
789668de | 1051 | rootfs.tgz | Compressed tarball containing filesystem image |
504c0a8f | 1052 | !(unpack) |
33a4198e | 1053 | /rootfs.img | Filesystem image at /run/initramfs/fsimg/ |
504c0a8f MH |
1054 | !(mount) |
1055 | /bin | Live filesystem | |
1056 | /boot | | |
1057 | /dev | | |
1058 | ... | | |
1059 | -- | |
1060 | + | |
33a4198e | 1061 | To use this boot option, ensure that **rd.writable.fsimg=1** is in your kernel |
504c0a8f | 1062 | command line and add the **root=live:<URL>** to specify the location |
33a4198e | 1063 | of your compressed filesystem image tarball or SquashFS image. |
504c0a8f MH |
1064 | ===================== |
1065 | ||
33a4198e FG |
1066 | **rd.writable.fsimg=**1:: |
1067 | Enables writable filesystem support. The system will boot with a fully | |
1068 | writable (but non-persistent) filesystem without snapshots __(see notes above | |
1069 | about available live boot options)__. You can use the **rootflags** option to | |
1070 | set mount options for the live filesystem as well __(see documentation about | |
1071 | rootflags in the **Standard** section above)__. | |
1072 | This implies that the whole image is copied to RAM before the boot continues. | |
1073 | + | |
1074 | NOTE: There must be enough free RAM available to hold the complete image. | |
1075 | + | |
1076 | This method is very suitable for diskless boots. | |
1077 | ||
504c0a8f | 1078 | **root=**live:__<url>__:: |
789668de FG |
1079 | Boots a live image retrieved from __<url>__. Requires the dracut 'livenet' |
1080 | module. Valid handlers: __http, https, ftp, torrent, tftp__. | |
504c0a8f MH |
1081 | + |
1082 | [listing] | |
789668de | 1083 | .Examples |
504c0a8f MH |
1084 | -- |
1085 | root=live:http://example.com/liveboot.img | |
1086 | root=live:ftp://ftp.example.com/liveboot.img | |
338bad63 | 1087 | root=live:torrent://example.com/liveboot.img.torrent |
504c0a8f MH |
1088 | -- |
1089 | ||
1090 | **rd.live.debug=**1:: | |
1091 | Enables debug output from the live boot process. | |
1092 | ||
1093 | **rd.live.dir=**__<path>__:: | |
ea288240 | 1094 | Specifies the directory within the boot device where the squashfs.img or |
789668de | 1095 | rootfs.img can be found. By default, this is `/LiveOS`. |
504c0a8f | 1096 | |
33a4198e FG |
1097 | **rd.live.squashimg=**__<filename of SquashFS image>__:: |
1098 | Specifies the filename for a SquashFS image of the root filesystem. | |
1099 | By default, this is __squashfs.img__. | |
1100 | ||
b0472eac FD |
1101 | **rd.live.ram=**1:: |
1102 | Copy the complete image to RAM and use this for booting. This is useful | |
789668de | 1103 | when the image resides on, e.g., a DVD which needs to be ejected later on. |
b0472eac | 1104 | |
e791d753 | 1105 | **rd.live.overlay={**__<devspec>__[:__{<pathspec>|auto}__]|__none__}:: |
789668de FG |
1106 | Manage the usage of a permanent overlay. |
1107 | + | |
1108 | -- | |
1109 | * _<devspec>_ specifies the path to a device with a mountable filesystem. | |
1110 | * _<pathspec>_ is the path to a file within that filesystem, which shall be | |
33a4198e FG |
1111 | used to persist the changes made to the device specified by the |
1112 | **root=live:__<url>__** option. | |
789668de FG |
1113 | + |
1114 | The default _pathspec_, when _auto_ or no _:<pathspec>_ is given, is | |
67bcc493 | 1115 | `/<rd.live.dir>/overlay-<label>-<uuid>`, where _<label>_ is the |
789668de FG |
1116 | device LABEL, and _<uuid>_ is the device UUID. |
1117 | * _none_ (the word itself) specifies that no overlay will be used, such as when | |
1118 | an uncompressed, writable live root filesystem is available. | |
1119 | + | |
1120 | If a persistent overlay __is detected__ at the standard LiveOS path, the | |
1121 | overlay & overlay type detected, whether Device-mapper or OverlayFS, will be | |
1122 | used. | |
1123 | -- | |
a1b4efe6 FD |
1124 | + |
1125 | [listing] | |
789668de | 1126 | .Examples |
a1b4efe6 FD |
1127 | -- |
1128 | rd.live.overlay=/dev/sdb1:persistent-overlay.img | |
789668de | 1129 | rd.live.overlay=UUID=99440c1f-8daa-41bf-b965-b7240a8996f4 |
a1b4efe6 FD |
1130 | -- |
1131 | ||
33a4198e | 1132 | **rd.live.overlay.size=**__<size_MiB>__:: |
789668de FG |
1133 | Specifies a non-persistent Device-mapper overlay size in MiB. The default is |
1134 | _32768_. | |
33a4198e FG |
1135 | |
1136 | **rd.live.overlay.readonly=**1:: | |
789668de FG |
1137 | This is used to boot with a normally read-write persistent overlay in a |
1138 | read-only mode. With this option, either an additional, non-persistent, | |
1139 | writable snapshot overlay will be stacked over a read-only snapshot, | |
1140 | `/dev/mapper/live‑ro`, of the base filesystem with the persistent overlay, or a | |
1141 | read-only loop device, in the case of a writable __rootfs.img__, or an OverlayFS | |
1142 | mount will use the persistent overlay directory linked at `/run/overlayfs‑r` as | |
1143 | an additional lower layer along with the base root filesystem and apply a | |
1144 | transient, writable upper directory overlay, in order to complete the booted | |
1145 | root filesystem. | |
33a4198e FG |
1146 | |
1147 | **rd.live.overlay.reset=**1:: | |
789668de | 1148 | Specifies that a persistent overlay should be reset on boot. All previous root |
33a4198e FG |
1149 | filesystem changes are vacated by this action. |
1150 | ||
d6e34d36 FD |
1151 | **rd.live.overlay.thin=**1:: |
1152 | Enables the usage of thin snapshots instead of classic dm snapshots. | |
33a4198e FG |
1153 | The advantage of thin snapshots is that they support discards, and will free |
1154 | blocks that are not claimed by the filesystem. In this use case, this means | |
1155 | that memory is given back to the kernel when the filesystem does not claim it | |
d6e34d36 FD |
1156 | anymore. |
1157 | ||
ea288240 | 1158 | **rd.live.overlay.overlayfs=**1:: |
789668de | 1159 | Enables the use of the *OverlayFS* kernel module, if available, to provide a |
ea288240 FG |
1160 | copy-on-write union directory for the root filesystem. OverlayFS overlays are |
1161 | directories of the files that have changed on the read-only base (lower) | |
1162 | filesystem. The root filesystem is provided through a special overlay type | |
1163 | mount that merges the lower and upper directories. If an OverlayFS upper | |
1164 | directory is not present on the boot device, a tmpfs directory will be created | |
789668de | 1165 | at `/run/overlayfs` to provide temporary storage. Persistent storage can be |
ea288240 FG |
1166 | provided on vfat or msdos formatted devices by supplying the OverlayFS upper |
1167 | directory within an embedded filesystem that supports the creation of trusted.* | |
1168 | extended attributes and provides a valid d_type in readdir responses, such as | |
1169 | with ext4 and xfs. On non-vfat-formatted devices, a persistent OverlayFS | |
1170 | overlay can extend the available root filesystem storage up to the capacity of | |
789668de | 1171 | the LiveOS disk device. |
e791d753 | 1172 | + |
ea288240 | 1173 | If a persistent overlay is detected at the standard LiveOS path, the overlay & |
789668de | 1174 | overlay type detected, whether OverlayFS or Device-mapper, will be used. |
e791d753 | 1175 | + |
ea288240 | 1176 | The **rd.live.overlay.readonly** option, which allows a persistent overlayfs to |
789668de | 1177 | be mounted read-only through a higher level transient overlay directory, has |
ea288240 FG |
1178 | been implemented through the multiple lower layers feature of OverlayFS. |
1179 | ||
504c0a8f | 1180 | |
ea7ffef1 HR |
1181 | ZIPL |
1182 | ~~~~ | |
1183 | **rd.zipl=**__<path to blockdevice>__:: | |
1184 | Update the dracut commandline with the values found in the | |
1185 | _dracut-cmdline.conf_ file on the given device. | |
1186 | The values are merged into the existing commandline values | |
1187 | and the udev events are regenerated. | |
1188 | + | |
1189 | [listing] | |
1190 | .Example | |
1191 | -- | |
1192 | rd.zipl=UUID=0fb28157-99e3-4395-adef-da3f7d44835a | |
1193 | -- | |
1194 | ||
637fb762 HR |
1195 | CIO_IGNORE |
1196 | ~~~~~~~~~~ | |
1197 | **rd.cio_accept=**__<device-ids>__:: | |
1198 | Remove the devices listed in <device-ids> from the default | |
1199 | cio_ignore kernel command-line settings. | |
1200 | <device-ids> is a list of comma-separated CCW device ids. | |
1201 | The default for this value is taken from the | |
1202 | _/boot/zipl/active_devices.txt_ file. | |
1203 | + | |
1204 | [listing] | |
1205 | .Example | |
1206 | -- | |
1207 | rd.cio_accept=0.0.0180,0.0.0800,0.0.0801,0.0.0802 | |
1208 | -- | |
1209 | ||
888d53f2 HH |
1210 | Plymouth Boot Splash |
1211 | ~~~~~~~~~~~~~~~~~~~~ | |
1212 | **plymouth.enable=0**:: | |
504c0a8f | 1213 | disable the plymouth bootsplash completely. |
888d53f2 HH |
1214 | |
1215 | **rd.plymouth=0**:: | |
1216 | disable the plymouth bootsplash only for the initramfs. | |
1217 | ||
1218 | Kernel keys | |
1219 | ~~~~~~~~~~~ | |
b6c89768 HH |
1220 | **masterkey=**__<kernel master key path name>__:: |
1221 | Set the path name of the kernel master key. | |
888d53f2 | 1222 | + |
b6c89768 HH |
1223 | [listing] |
1224 | .Example | |
1225 | -- | |
888d53f2 | 1226 | masterkey=/etc/keys/kmk-trusted.blob |
b6c89768 | 1227 | -- |
888d53f2 | 1228 | |
b6c89768 HH |
1229 | **masterkeytype=**__<kernel master key type>__:: |
1230 | Set the type of the kernel master key. | |
888d53f2 | 1231 | + |
b6c89768 HH |
1232 | [listing] |
1233 | .Example | |
1234 | -- | |
888d53f2 | 1235 | masterkeytype=trusted |
b6c89768 | 1236 | -- |
888d53f2 | 1237 | |
b6c89768 HH |
1238 | **evmkey=**__<EVM key path name>__:: |
1239 | Set the path name of the EVM key. | |
888d53f2 | 1240 | + |
b6c89768 HH |
1241 | [listing] |
1242 | .Example | |
1243 | -- | |
888d53f2 | 1244 | evmkey=/etc/keys/evm-trusted.blob |
b6c89768 | 1245 | -- |
888d53f2 | 1246 | |
b6c89768 HH |
1247 | **ecryptfskey=**__<eCryptfs key path name>__:: |
1248 | Set the path name of the eCryptfs key. | |
888d53f2 | 1249 | + |
b6c89768 HH |
1250 | [listing] |
1251 | .Example | |
1252 | -- | |
888d53f2 | 1253 | ecryptfskey=/etc/keys/ecryptfs-trusted.blob |
b6c89768 | 1254 | -- |
888d53f2 HH |
1255 | |
1256 | Deprecated, renamed Options | |
1257 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
ef9ddb91 HH |
1258 | Here is a list of options, which were used in dracut prior to version 008, and |
1259 | their new replacement. | |
888d53f2 HH |
1260 | |
1261 | rdbreak:: rd.break | |
1262 | ||
a5420672 HH |
1263 | rd.ccw:: rd.znet |
1264 | rd_CCW:: rd.znet | |
888d53f2 | 1265 | |
4d76a85d | 1266 | rd_DASD_MOD:: rd.dasd |
888d53f2 HH |
1267 | |
1268 | rd_DASD:: rd.dasd | |
1269 | ||
1270 | rdinitdebug rdnetdebug:: rd.debug | |
1271 | ||
1272 | rd_NO_DM:: rd.dm=0 | |
1273 | ||
1274 | rd_DM_UUID:: rd.dm.uuid | |
1275 | ||
1276 | rdblacklist:: rd.driver.blacklist | |
1277 | ||
1278 | rdinsmodpost:: rd.driver.post | |
1279 | ||
1280 | rdloaddriver:: rd.driver.pre | |
1281 | ||
1282 | rd_NO_FSTAB:: rd.fstab=0 | |
1283 | ||
1284 | rdinfo:: rd.info | |
1285 | ||
1286 | check:: rd.live.check | |
1287 | ||
1288 | rdlivedebug:: rd.live.debug | |
1289 | ||
1290 | live_dir:: rd.live.dir | |
1291 | ||
1292 | liveimg:: rd.live.image | |
1293 | ||
1294 | overlay:: rd.live.overlay | |
1295 | ||
1296 | readonly_overlay:: rd.live.overlay.readonly | |
1297 | ||
1298 | reset_overlay:: rd.live.overlay.reset | |
1299 | ||
1300 | live_ram:: rd.live.ram | |
1301 | ||
1302 | rd_NO_CRYPTTAB:: rd.luks.crypttab=0 | |
1303 | ||
1304 | rd_LUKS_KEYDEV_UUID:: rd.luks.keydev.uuid | |
1305 | ||
1306 | rd_LUKS_KEYPATH:: rd.luks.keypath | |
1307 | ||
1308 | rd_NO_LUKS:: rd.luks=0 | |
1309 | ||
1310 | rd_LUKS_UUID:: rd.luks.uuid | |
1311 | ||
1312 | rd_NO_LVMCONF:: rd.lvm.conf | |
1313 | ||
1314 | rd_LVM_LV:: rd.lvm.lv | |
1315 | ||
1316 | rd_NO_LVM:: rd.lvm=0 | |
1317 | ||
1318 | rd_LVM_SNAPSHOT:: rd.lvm.snapshot | |
1319 | ||
1320 | rd_LVM_SNAPSIZE:: rd.lvm.snapsize | |
1321 | ||
1322 | rd_LVM_VG:: rd.lvm.vg | |
1323 | ||
1324 | rd_NO_MDADMCONF:: rd.md.conf=0 | |
1325 | ||
1326 | rd_NO_MDIMSM:: rd.md.imsm=0 | |
1327 | ||
1328 | rd_NO_MD:: rd.md=0 | |
1329 | ||
1330 | rd_MD_UUID:: rd.md.uuid | |
1331 | ||
778b3543 HH |
1332 | rd_NO_MULTIPATH: rd.multipath=0 |
1333 | ||
888d53f2 HH |
1334 | rd_NFS_DOMAIN:: rd.nfs.domain |
1335 | ||
1336 | iscsi_initiator:: rd.iscsi.initiator | |
1337 | ||
1338 | iscsi_target_name:: rd.iscsi.target.name | |
1339 | ||
1340 | iscsi_target_ip:: rd.iscsi.target.ip | |
1341 | ||
1342 | iscsi_target_port:: rd.iscsi.target.port | |
1343 | ||
1344 | iscsi_target_group:: rd.iscsi.target.group | |
1345 | ||
1346 | iscsi_username:: rd.iscsi.username | |
1347 | ||
1348 | iscsi_password:: rd.iscsi.password | |
1349 | ||
1350 | iscsi_in_username:: rd.iscsi.in.username | |
1351 | ||
1352 | iscsi_in_password:: rd.iscsi.in.password | |
1353 | ||
1354 | iscsi_firmware:: rd.iscsi.firmware=0 | |
1355 | ||
1356 | rd_NO_PLYMOUTH:: rd.plymouth=0 | |
1357 | ||
1358 | rd_retry:: rd.retry | |
1359 | ||
1360 | rdshell:: rd.shell | |
1361 | ||
1362 | rd_NO_SPLASH:: rd.splash | |
1363 | ||
1364 | rdudevdebug:: rd.udev.debug | |
1365 | ||
1366 | rdudevinfo:: rd.udev.info | |
1367 | ||
1368 | rd_NO_ZFCPCONF:: rd.zfcp.conf=0 | |
1369 | ||
1370 | rd_ZFCP:: rd.zfcp | |
1371 | ||
1372 | rd_ZNET:: rd.znet | |
1373 | ||
1374 | KEYMAP:: vconsole.keymap | |
1375 | ||
1376 | KEYTABLE:: vconsole.keymap | |
1377 | ||
1378 | SYSFONT:: vconsole.font | |
1379 | ||
1380 | CONTRANS:: vconsole.font.map | |
1381 | ||
1382 | UNIMAP:: vconsole.font.unimap | |
1383 | ||
1384 | UNICODE:: vconsole.unicode | |
1385 | ||
1386 | EXT_KEYMAP:: vconsole.keymap.ext | |
1387 | ||
1388 | Configuration in the Initramfs | |
1389 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
1390 | _/etc/conf.d/_:: | |
1391 | Any files found in _/etc/conf.d/_ will be sourced in the initramfs to | |
1392 | set initial values. Command line options will override these values | |
1393 | set in the configuration files. | |
1394 | ||
1395 | _/etc/cmdline_:: | |
ef9ddb91 HH |
1396 | Can contain additional command line options. Deprecated, better use |
1397 | /etc/cmdline.d/*.conf. | |
888d53f2 HH |
1398 | |
1399 | _/etc/cmdline.d/*.conf_:: | |
1400 | Can contain additional command line options. | |
1401 | ||
1402 | AUTHOR | |
1403 | ------ | |
9f355169 | 1404 | Harald Hoyer |
888d53f2 HH |
1405 | |
1406 | SEE ALSO | |
1407 | -------- | |
1408 | *dracut*(8) *dracut.conf*(5) |