- Open sub-devices with O_EXCL to detect if already in use
- Make sure superblock updates are flushed directly to disk.
+Changes Prior to 2.0-deve-1 release
+ - Support for version-1 superblock. See --metadata option.
+ - Support for bitmap based intent logging.
+ - Minor fixes.
+
Changes Prior to 1.9.0 release
- Fix rpm build problem (stray %)
- Minor manpage updates
mdadm /dev/md0 -A /dev/sd[ab]
works.
- Assume '-Q' if just a device is given, rather than being silent.
-
-Changes Prior to this release
- Change "dirty" status to "active" as it was confusing people.
Changes Prior to 1.8.0 release
__u32 chunksize; /* 52 the bitmap chunk size in bytes */
__u32 daemon_sleep; /* 56 seconds between disk flushes */
- __u8 pad[4096 - 60]; /* set to zero */
+ __u8 pad[256 - 60]; /* set to zero */
} bitmap_super_t;
/* notes:
.\" -*- nroff -*-
-.TH MDADM 8 "" v1.11.1
+.TH MDADM 8 "" v2.0-devel-1
.SH NAME
mdadm \- manage MD devices
.I aka
.BR -G ", " --grow
Change the size or shape of an active array.
+.TP
+.BR -X ", " --examine-bitmap
+Report information about a bitmap file.
+
.TP
.BR -h ", " --help
Display help message or, after above option, mode specific help
and
.BR --examine .
+.TP
+.BR -b ", " --bitmap=
+Give the name of a bitmap file to use with this array. Can be used
+with --create (file should not exist) or --assemble (file should
+exist).
+
+.TP
+.BR --bitmap-chunk=
+Set the Chunksize of the bitmap. Each bit corresponds to that many
+Kilobytes of storage. Default is 4.
+
+
.TP
.BR -f ", " --force
Be more forceful about certain operations. See the various modes of
.BR --layout=
same as --parity
+.TP
+.BR -b ", " --bitmap=
+Specify a file to store a write-intent bitmap in. The file should not
+exist unless --force is also given. The same file should be provided
+when assembling the array.
+
+.TP
+.BR --bitmap-chunk=
+Specifty the chunksize for the bitmap.
+
.TP
.BR -n ", " --raid-devices=
Specify the number of active devices in the array. This, plus the
.BR -a ", " "--auto{=no,yes,md,mdp,part}"
See this option under Create and Build options.
+.TP
+.BR -b ", " --bitmap=
+Specify the bitmap file that was given when the array was created.
+
.TP
.BR -U ", " --update=
Update the superblock on each device while assembling the array. The