Thanks
-steve
Claudio Fleiner wrote:
I was playing around with raid1 using two loopback devices of 4M each.
The config file I'm using looks like this:
raiddev /dev/md0
raid-level 1
nr-raid-disks 2
nr-spare-disks 0
chunk-size 4
persistent-superblock 1
device /dev/loop0
raid-disk 0
device /dev/loop1
raid-disk 1
Everything works as expected, except that I cannot simulate an error using
raidhotgenerateerror. The command runs just fine (as confirmed by the following strace,
(all unnecessary stuff removed):
execve("/home/cfl/prog/raidtools-20010914/raidhotgenerateerror", ["/home/cfl/prog/raidtools-20010914/raidhotgenerateerror", "-c", "c", "/dev/md0", "/dev/loop0"], [/* 58 vars */]) = 0
open("/dev/md0", O_RDONLY) = 4
ioctl(4, 0x800c0910, 0x804f948) = 0
open("/dev/md0", O_RDWR) = 5
fstat64(5, {st_mode=S_IFBLK|0660, st_rdev=makedev(9, 0), ...}) = 0
stat64("/dev/loop0", {st_mode=S_IFBLK|0660, st_rdev=makedev(7, 0), ...}) = 0
ioctl(5, 0x92a, 0x700) = 0
_exit(0) = ?
but /proc/mdstat shows that loop0 is still OK (writing to the md0 device
does not make a difference) and removing the drive using raidhotremove
fails):
Personalities : [raid0] [raid1] [raid5] read_ahead 1024 sectors
md0 : active raid1 [dev 07:01][1] [dev 07:00][0]
4032 blocks [2/2] [UU]
I'm using Redhat 7.2 with a 2.4.19 kernel.
Any idea why this is not working?
Thanks, Claudio
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