/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2012 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
#include "md_u.h"
#include <dirent.h>
+static int cmpstringp(const void *p1, const void *p2)
+{
+ return strcmp(* (char * const *) p1, * (char * const *) p2);
+}
+
+static int add_device(const char *dev, char ***p_devices,
+ int *p_max_devices, int n_devices)
+{
+ if (n_devices + 1 >= *p_max_devices) {
+ *p_max_devices += 16;
+ *p_devices = xrealloc(*p_devices, *p_max_devices *
+ sizeof(**p_devices));
+ if (!*p_devices) {
+ *p_max_devices = 0;
+ return 0;
+ }
+ };
+ (*p_devices)[n_devices] = xstrdup(dev);
+ return n_devices + 1;
+}
+
int Detail(char *dev, struct context *c)
{
/*
- * Print out details for an md array by using
- * GET_ARRAY_INFO and GET_DISK_INFO ioctl calls
+ * Print out details for an md array
*/
-
int fd = open(dev, O_RDONLY);
int vers;
mdu_array_info_t array;
int d;
time_t atime;
char *str;
- char *devices = NULL;
+ char **devices = NULL;
+ int max_devices = 0, n_devices = 0;
int spares = 0;
struct stat stb;
int is_26 = get_linux_version() >= 2006000;
int max_disks = MD_SB_DISKS; /* just a default */
struct mdinfo *info = NULL;
struct mdinfo *sra;
+ struct mdinfo *subdev;
char *member = NULL;
char *container = NULL;
int rv = c->test ? 4 : 1;
int avail_disks = 0;
char *avail = NULL;
+ int external;
+ int inactive;
if (fd < 0) {
pr_err("cannot open %s: %s\n",
close(fd);
return rv;
}
- if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
- if (errno == ENODEV)
- pr_err("md device %s does not appear to be active.\n",
- dev);
- else
- pr_err("cannot get array detail for %s: %s\n",
- dev, strerror(errno));
+ sra = sysfs_read(fd, NULL, GET_VERSION|GET_DEVS);
+ external = (sra != NULL && sra->array.major_version == -1
+ && sra->array.minor_version == -2);
+ st = super_by_fd(fd, &subarray);
+ if (md_get_array_info(fd, &array) == 0) {
+ inactive = 0;
+ } else if (errno == ENODEV && sra) {
+ if (sra->array.major_version == -1 &&
+ sra->array.minor_version == -1 &&
+ sra->devs == NULL) {
+ pr_err("Array associated with md device %s does not exist.\n", dev);
+ close(fd);
+ sysfs_free(sra);
+ return rv;
+ }
+ array = sra->array;
+ inactive = 1;
+ } else {
+ pr_err("cannot get array detail for %s: %s\n",
+ dev, strerror(errno));
close(fd);
return rv;
}
- sra = sysfs_read(fd, NULL, GET_VERSION);
- st = super_by_fd(fd, &subarray);
if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
stb.st_rdev = 0;
/* This is a subarray of some container.
* We want the name of the container, and the member
*/
- int devid = devnm2devid(st->container_devnm);
+ dev_t devid = devnm2devid(st->container_devnm);
int cfd, err;
member = subarray;
}
}
- /* try to load a superblock */
- if (st && !info) for (d = 0; d < max_disks; d++) {
+ /* try to load a superblock. Try sra->devs first, then try ioctl */
+ if (st && !info) for (d = 0, subdev = sra ? sra->devs : NULL;
+ d < max_disks || subdev;
+ subdev ? (void)(subdev = subdev->next) : (void)(d++)){
mdu_disk_info_t disk;
char *dv;
int fd2;
int err;
- disk.number = d;
- if (ioctl(fd, GET_DISK_INFO, &disk) < 0)
- continue;
- if (d >= array.raid_disks &&
- disk.major == 0 &&
- disk.minor == 0)
- continue;
+ if (subdev)
+ disk = subdev->disk;
+ else {
+ disk.number = d;
+ if (md_get_disk_info(fd, &disk) < 0)
+ continue;
+ if (d >= array.raid_disks &&
+ disk.major == 0 &&
+ disk.minor == 0)
+ continue;
+ }
if (array.raid_disks > 0 &&
(disk.state & (1 << MD_DISK_ACTIVE)) == 0)
printf("MD_LEVEL=%s\n", str);
printf("MD_DEVICES=%d\n", array.raid_disks);
} else {
- printf("MD_LEVEL=container\n");
+ if (!inactive)
+ printf("MD_LEVEL=container\n");
printf("MD_DEVICES=%d\n", array.nr_disks);
}
if (container) {
putchar('\n');
}
}
+ if (sra) {
+ struct mdinfo *mdi;
+ for (mdi = sra->devs; mdi; mdi = mdi->next) {
+ char *path =
+ map_dev(mdi->disk.major,
+ mdi->disk.minor, 0);
+
+ if (mdi->disk.raid_disk >= 0)
+ printf("MD_DEVICE_%s_ROLE=%d\n",
+ mdi->sys_name+4,
+ mdi->disk.raid_disk);
+ else
+ printf("MD_DEVICE_%s_ROLE=spare\n",
+ mdi->sys_name+4);
+ if (path)
+ printf("MD_DEVICE_%s_DEV=%s\n",
+ mdi->sys_name+4, path);
+ }
+ }
goto out;
}
- disks = xmalloc(max_disks * sizeof(mdu_disk_info_t));
- for (d = 0; d < max_disks; d++) {
+ disks = xmalloc(max_disks * 2 * sizeof(mdu_disk_info_t));
+ for (d = 0; d < max_disks * 2; d++) {
disks[d].state = (1<<MD_DISK_REMOVED);
disks[d].major = disks[d].minor = 0;
- disks[d].number = disks[d].raid_disk = d;
+ disks[d].number = -1;
+ disks[d].raid_disk = d/2;
}
next = array.raid_disks*2;
- for (d = 0; d < max_disks; d++) {
+ if (inactive) {
+ struct mdinfo *mdi;
+ if (sra != NULL)
+ for (mdi = sra->devs; mdi; mdi = mdi->next) {
+ disks[next++] = mdi->disk;
+ disks[next-1].number = -1;
+ }
+ } else for (d = 0; d < max_disks; d++) {
mdu_disk_info_t disk;
disk.number = d;
- if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
+ if (md_get_disk_info(fd, &disk) < 0) {
if (d < array.raid_disks)
pr_err("cannot get device detail for device %d: %s\n",
d, strerror(errno));
if (disk.major == 0 && disk.minor == 0)
continue;
if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks
- && disks[disk.raid_disk*2].state == (1<<MD_DISK_REMOVED))
+ && disks[disk.raid_disk*2].state == (1<<MD_DISK_REMOVED)
+ && ((disk.state & (1<<MD_DISK_JOURNAL)) == 0))
disks[disk.raid_disk*2] = disk;
else if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks
- && disks[disk.raid_disk*2+1].state == (1<<MD_DISK_REMOVED))
+ && disks[disk.raid_disk*2+1].state == (1<<MD_DISK_REMOVED)
+ && !(disk.state & (1<<MD_DISK_JOURNAL)))
disks[disk.raid_disk*2+1] = disk;
- else if (next < max_disks)
+ else if (next < max_disks*2)
disks[next++] = disk;
}
(disks[d*2+1].state & (1<<MD_DISK_SYNC))) {
avail_disks ++;
avail[d] = 1;
- }
+ } else
+ rv |= !! c->test;
}
if (c->brief) {
mdu_bitmap_file_t bmf;
- printf("ARRAY %s", dev);
- if (c->brief > 1) {
+ printf("%sARRAY %s", inactive ? "INACTIVE-":"", dev);
+ if (c->verbose > 0) {
if (array.raid_disks)
printf(" level=%s num-devices=%d",
str?str:"-unknown-",
array.raid_disks );
- else
+ else if (!inactive)
printf(" level=container num-devices=%d",
array.nr_disks);
+ else
+ printf(" num-devices=%d", array.nr_disks);
}
if (container) {
printf(" container=%s", container);
printf("%s:\n", dev);
if (container)
- printf(" Container : %s, member %s\n", container, member);
+ printf(" Container : %s, member %s\n", container,
+ member);
else {
if (sra && sra->array.major_version < 0)
- printf(" Version : %s\n", sra->text_version);
+ printf(" Version : %s\n", sra->text_version);
else
- printf(" Version : %d.%d\n",
+ printf(" Version : %d.%d\n",
array.major_version, array.minor_version);
}
atime = array.ctime;
if (atime)
- printf(" Creation Time : %.24s\n", ctime(&atime));
- if (array.raid_disks == 0)
+ printf(" Creation Time : %.24s\n", ctime(&atime));
+ if (array.raid_disks == 0 && external)
str = "container";
- printf(" Raid Level : %s\n", str?str:"-unknown-");
+ if (str)
+ printf(" Raid Level : %s\n", str);
if (larray_size)
- printf(" Array Size : %llu%s\n", (larray_size>>10),
+ printf(" Array Size : %llu%s\n", (larray_size>>10),
human_size(larray_size));
if (array.level >= 1) {
if (sra)
(larray_size >= 0xFFFFFFFFULL|| array.size == 0)) {
unsigned long long dsize = get_component_size(fd);
if (dsize > 0)
- printf(" Used Dev Size : %llu%s\n",
+ printf(" Used Dev Size : %llu%s\n",
dsize/2,
human_size((long long)dsize<<9));
else
- printf(" Used Dev Size : unknown\n");
+ printf(" Used Dev Size : unknown\n");
} else
- printf(" Used Dev Size : %d%s\n", array.size,
- human_size((long long)array.size<<10));
+ printf(" Used Dev Size : %lu%s\n",
+ (unsigned long)array.size,
+ human_size((unsigned long long)array.size<<10));
}
if (array.raid_disks)
- printf(" Raid Devices : %d\n", array.raid_disks);
- printf(" Total Devices : %d\n", array.nr_disks);
+ printf(" Raid Devices : %d\n", array.raid_disks);
+ printf(" Total Devices : %d\n", array.nr_disks);
if (!container &&
((sra == NULL && array.major_version == 0) ||
(sra && sra->array.major_version == 0)))
- printf("Preferred Minor : %d\n", array.md_minor);
+ printf(" Preferred Minor : %d\n", array.md_minor);
if (sra == NULL || sra->array.major_version >= 0)
- printf(" Persistence : Superblock is %spersistent\n",
+ printf(" Persistence : Superblock is %spersistent\n",
array.not_persistent?"not ":"");
printf("\n");
/* Only try GET_BITMAP_FILE for 0.90.01 and later */
if (vers >= 9001 &&
ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
bmf.pathname[0]) {
- printf(" Intent Bitmap : %s\n", bmf.pathname);
+ printf(" Intent Bitmap : %s\n", bmf.pathname);
printf("\n");
} else if (array.state & (1<<MD_SB_BITMAP_PRESENT))
- printf(" Intent Bitmap : Internal\n\n");
+ printf(" Intent Bitmap : Internal\n\n");
atime = array.utime;
if (atime)
- printf(" Update Time : %.24s\n", ctime(&atime));
+ printf(" Update Time : %.24s\n", ctime(&atime));
if (array.raid_disks) {
static char *sync_action[] = {
", recovering", ", resyncing",
else
st = ", degraded";
- printf(" State : %s%s%s%s%s%s \n",
+ printf(" State : %s%s%s%s%s%s \n",
(array.state&(1<<MD_SB_CLEAN))?"clean":"active", st,
(!e || (e->percent < 0 && e->percent != RESYNC_PENDING &&
e->percent != RESYNC_DELAYED)) ? "" : sync_action[e->resync],
larray_size ? "": ", Not Started",
- e->percent == RESYNC_DELAYED ? " (DELAYED)": "",
- e->percent == RESYNC_PENDING ? " (PENDING)": "");
+ (e && e->percent == RESYNC_DELAYED) ? " (DELAYED)": "",
+ (e && e->percent == RESYNC_PENDING) ? " (PENDING)": "");
+ } else if (inactive) {
+ printf(" State : inactive\n");
}
if (array.raid_disks)
- printf(" Active Devices : %d\n", array.active_disks);
- printf("Working Devices : %d\n", array.working_disks);
+ printf(" Active Devices : %d\n", array.active_disks);
+ if (array.working_disks > 0)
+ printf(" Working Devices : %d\n", array.working_disks);
if (array.raid_disks) {
- printf(" Failed Devices : %d\n", array.failed_disks);
- printf(" Spare Devices : %d\n", array.spare_disks);
+ printf(" Failed Devices : %d\n", array.failed_disks);
+ printf(" Spare Devices : %d\n", array.spare_disks);
}
printf("\n");
if (array.level == 5) {
str = map_num(r5layout, array.layout);
- printf(" Layout : %s\n", str?str:"-unknown-");
+ printf(" Layout : %s\n", str?str:"-unknown-");
}
if (array.level == 6) {
str = map_num(r6layout, array.layout);
- printf(" Layout : %s\n", str?str:"-unknown-");
+ printf(" Layout : %s\n", str?str:"-unknown-");
}
if (array.level == 10) {
- printf(" Layout :");
+ printf(" Layout :");
print_r10_layout(array.layout);
printf("\n");
}
case 10:
case 6:
if (array.chunk_size)
- printf(" Chunk Size : %dK\n\n",
+ printf(" Chunk Size : %dK\n\n",
array.chunk_size/1024);
break;
case -1:
- printf(" Rounding : %dK\n\n", array.chunk_size/1024);
+ printf(" Rounding : %dK\n\n",
+ array.chunk_size/1024);
break;
default: break;
}
+ if (array.raid_disks) {
+ struct mdinfo *mdi = sysfs_read(fd, NULL,
+ GET_CONSISTENCY_POLICY);
+ if (mdi) {
+ char *policy = map_num(consistency_policies,
+ mdi->consistency_policy);
+ sysfs_free(mdi);
+ if (policy)
+ printf("Consistency Policy : %s\n\n",
+ policy);
+ }
+ }
+
if (e && e->percent >= 0) {
static char *sync_action[] = {
"Rebuild", "Resync",
"Reshape", "Check"};
- printf(" %7s Status : %d%% complete\n", sync_action[e->resync], e->percent);
+ printf(" %7s Status : %d%% complete\n",
+ sync_action[e->resync], e->percent);
is_rebuilding = 1;
}
free_mdstat(ms);
if ((st && st->sb) && (info && info->reshape_active)) {
#if 0
This is pretty boring
- printf(" Reshape pos'n : %llu%s\n", (unsigned long long) info->reshape_progress<<9,
+ printf(" Reshape pos'n : %llu%s\n",
+ (unsigned long long) info->reshape_progress<<9,
human_size((unsigned long long)info->reshape_progress<<9));
#endif
if (info->delta_disks != 0)
- printf(" Delta Devices : %d, (%d->%d)\n",
+ printf(" Delta Devices : %d, (%d->%d)\n",
info->delta_disks,
array.raid_disks - info->delta_disks,
array.raid_disks);
if (info->new_level != array.level) {
str = map_num(pers, info->new_level);
- printf(" New Level : %s\n", str?str:"-unknown-");
+ printf(" New Level : %s\n", str?str:"-unknown-");
}
if (info->new_level != array.level ||
info->new_layout != array.layout) {
if (info->new_level == 5) {
str = map_num(r5layout, info->new_layout);
- printf(" New Layout : %s\n",
+ printf(" New Layout : %s\n",
str?str:"-unknown-");
}
if (info->new_level == 6) {
str = map_num(r6layout, info->new_layout);
- printf(" New Layout : %s\n",
+ printf(" New Layout : %s\n",
str?str:"-unknown-");
}
if (info->new_level == 10) {
- printf(" New Layout : near=%d, %s=%d\n",
+ printf(" New Layout : near=%d, %s=%d\n",
info->new_layout&255,
(info->new_layout&0x10000)?"offset":"far",
(info->new_layout>>8)&255);
}
}
if (info->new_chunk != array.chunk_size)
- printf(" New Chunksize : %dK\n", info->new_chunk/1024);
+ printf(" New Chunksize : %dK\n",
+ info->new_chunk/1024);
printf("\n");
} else if (e && e->percent >= 0)
printf("\n");
DIR *dir = opendir("/sys/block");
struct dirent *de;
- printf(" Member Arrays :");
+ printf(" Member Arrays :");
while (dir && (de = readdir(dir)) != NULL) {
- char path[200];
+ char path[287];
char vbuf[1024];
int nlen = strlen(sra->sys_name);
- int devid;
+ dev_t devid;
if (de->d_name[0] == '.')
continue;
sprintf(path, "/sys/block/%s/md/metadata_version",
de->d_name);
- if (load_sys(path, vbuf) < 0)
+ if (load_sys(path, vbuf, sizeof(vbuf)) < 0)
continue;
if (strncmp(vbuf, "external:", 9) != 0 ||
!is_subarray(vbuf+9) ||
}
free(info);
- for (d= 0; d < max_disks; d++) {
+ for (d= 0; d < max_disks * 2; d++) {
char *dv;
mdu_disk_info_t disk = disks[d];
continue;
if (!c->brief) {
if (d == array.raid_disks*2) printf("\n");
- if (disk.raid_disk < 0)
+ if (disk.number < 0 && disk.raid_disk < 0)
+ printf(" - %5d %5d - ",
+ disk.major, disk.minor);
+ else if (disk.raid_disk < 0 || disk.state & (1<<MD_DISK_JOURNAL))
printf(" %5d %5d %5d - ",
disk.number, disk.major, disk.minor);
+ else if (disk.number < 0)
+ printf(" - %5d %5d %5d ",
+ disk.major, disk.minor, disk.raid_disk);
else
printf(" %5d %5d %5d %5d ",
disk.number, disk.major, disk.minor, disk.raid_disk);
}
if (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed");
if (disk.state & (1<<MD_DISK_WRITEMOSTLY)) printf(" writemostly");
+ if (disk.state & (1<<MD_DISK_FAILFAST)) printf(" failfast");
+ if (disk.state & (1<<MD_DISK_JOURNAL)) printf(" journal");
if ((disk.state &
((1<<MD_DISK_ACTIVE)|(1<<MD_DISK_SYNC)
- |(1<<MD_DISK_REMOVED)|(1<<MD_DISK_FAULTY)))
+ |(1<<MD_DISK_REMOVED)|(1<<MD_DISK_FAULTY)|(1<<MD_DISK_JOURNAL)))
== 0) {
printf(" spare");
if (is_26) {
}
}
if (disk.state == 0) spares++;
- if (c->test && d < array.raid_disks
- && !(disk.state & (1<<MD_DISK_SYNC)))
- rv |= 1;
dv=map_dev_preferred(disk.major, disk.minor, 0, c->prefer);
if (dv != NULL) {
- if (c->brief) {
- if (devices) {
- devices = xrealloc(devices,
- strlen(devices)+1+strlen(dv)+1);
- strcat(strcat(devices,","),dv);
- } else
- devices = xstrdup(dv);
- } else
+ if (c->brief)
+ n_devices = add_device(dv, &devices,
+ &max_devices,
+ n_devices);
+ else
printf(" %s", dv);
}
if (!c->brief) printf("\n");
if (st)
st->ss->free_super(st);
- if (c->brief > 1 && devices) printf("\n devices=%s", devices);
+ if (c->brief && c->verbose > 0 && devices) {
+ qsort(devices, n_devices, sizeof(*devices), cmpstringp);
+ printf("\n devices=%s", devices[0]);
+ for (d = 1; d < n_devices; d++)
+ printf(",%s", devices[d]);
+ }
if (c->brief)
printf("\n");
if (c->test &&
close(fd);
free(subarray);
free(avail);
+ for (d = 0; d < n_devices; d++)
+ free(devices[d]);
+ free(devices);
sysfs_free(sra);
return rv;
}
projects / thirdparty / mdadm.git / blobdiff