Hi there:
Need some help here.
OS: standard RedHat6.1, raid level: raid1
/etc]# raidhotadd /dev/md0 /dev/hdc7
trying to hot-add [dev 16:07] to md0 ...
blkdev_open() failed: -19
md: could not lock [dev 16:07], zero-size? Marking
faulty.
md: error, md_import_device() returned -22
/dev/md0: can not hot-add disk: invalid argument.
Any help is appreciated.
J.
-------------------------------------------------------
cat /proc/mdstat
Personalities : [raid1]
read_ahead 1024 sectors
md0 : active raid1 hda7[1] 513984 blocks [2/1] [_U]
md1 : active raid1 hda8[1] 513984 blocks [2/1] [_U]
md2 : active raid1 hda9[1] 256896 blocks [2/1] [_U]
unused devices: <none>
----------------------------------------------------
cat /etc/raidtab
# Config file for raid-1 device.
raiddev /dev/md0
raid-level 1
nr-raid-disks 2
nr-spare-disks 0
chunk-size 4
persistent-superblock 1
device /dev/hda7
raid-disk 0
device /dev/hdc7
raid-disk 1
raiddev /dev/md1
raid-level 1
nr-raid-disks 2
nr-spare-disks 0
chunk-size 4
persistent-superblock 1
device /dev/hda8
raid-disk 0
device /dev/hdc8
raid-disk 1
raiddev /dev/md2
raid-level 1
nr-raid-disks 2
nr-spare-disks 0
chunk-size 4
persistent-superblock 1
device /dev/hda9
raid-disk 0
device /dev/hdc9
raid-disk 1
-----------------------------------------------------
# df
Filesystem 1k-blocks Used Available
Use% Mounted on
/dev/hda11 248895 44783 191262
19% /
/dev/md1 497765 2370 469696
1% /etc_mrr
/dev/hda1 23302 3336 18763
15% /boot
/dev/hda6 497829 42283 429844
9% /home
/dev/hda5 497829 323993 148134
69% /usr
/dev/md2 248783 11047 224892
5% /var
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