Re: md0 AND md2 RAID not detected anymore
From: olli (olito24_at_gmx.de)
Date: 03/30/05
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To: debian-user@lists.debian.org Date: Wed, 30 Mar 2005 21:02:42 +0200
hello joey,
yes, it seems like i'm using udev, dpkg -s udev says installed ok. but
in
fact i didn't even know what it was before following your link. but i
stumbled over comments regarding udev and devfs (was it devfs?) on
my search for the solution to this problem. but i don't know if udev was
updated or first-time-installed with my last upgrade because i was using
this root-lvm-raid setup for about 3 month now and aptitudes update list
was quite long.
i can show you an excerpt from my syslog if i don't draw on your
patience
too much. it shows errors regarding devfs, i don't know if udev and
devfs
are related, but i never noticed such a message before.
i have a devfs dir in etc, but believing dpkg, the package is not
installed
on my system.
**** syslog excerpt ****
Mar 28 19:26:36 flyricky syslogd 1.4.1#16: restart.
Mar 28 19:26:36 flyricky kernel: klogd 1.4.1#16, log source =
/proc/kmsg started.
Mar 28 19:26:36 flyricky kernel: Cannot find map file.
Mar 28 19:26:36 flyricky kernel: No module symbols loaded - kernel
modules not enabled.
Mar 28 19:26:36 flyricky kernel: valid argument.<4>devfs_mk_dev: could
not append to parent for /disc
Mar 28 19:26:36 flyricky kernel: devfs_mk_dir: invalid
argument.<4>devfs_mk_dev: could not append to parent for /disc
Mar 28 19:26:36 flyricky last message repeated 115 times
Mar 28 19:26:36 flyricky kernel: ReiserFS: dm-0: found reiserfs format
"3.6" with standard journal
Mar 28 19:26:36 flyricky kernel: ReiserFS: dm-0: using ordered data mode
Mar 28 19:26:36 flyricky kernel: ReiserFS: dm-0: journal params: device
dm-0, size 8192, journal first block 18, max trans len 1024, max batch
900, max commit age 30, max trans age 30
Mar 28 19:26:36 flyricky kernel: ReiserFS: dm-0: checking transaction
log (dm-0)
Mar 28 19:26:36 flyricky kernel: ReiserFS: dm-0: Using r5 hash to sort
names
Mar 28 19:26:36 flyricky kernel: ReiserFS: dm-0: switching to journaled
data mode
Mar 28 19:26:36 flyricky kernel: hdd: ATAPI 48X DVD-ROM drive, 512kB
Cache, UDMA(33)
Mar 28 19:26:36 flyricky kernel: Uniform CD-ROM driver Revision: 3.20
Mar 28 19:26:36 flyricky kernel: Capability LSM initialized
Mar 28 19:26:36 flyricky kernel: md: md2 stopped.
Mar 28 19:26:36 flyricky kernel: md: md0 stopped.
Mar 28 19:26:36 flyricky kernel: EXT2-fs: unable to read superblock
**** / ****
from here on, it checks the other lvm2 volumes which are reiserfs (my
boot partition is just a raid1 ext2, not lvm, the one giving the unable
to
read superblock error on which fsck fails later on).
what confuses me is, that my boot partition doesn't get started/mounted,
my root partition does and my home partition again does not. but home is
still accessible (it's lvm2 too).
however, i am able to start and mount my boot raid manually when the
system is up.
so, can you verify that this is the udev bug you mentioned? and if it
is,
should i just purge the package and everything would be okay again?
was the kernel upgraded with the same version number because of the
udev module?
best regards,
oliver
Am 30.03.2005 um 19:10 schrieb Joey Hess:
> olli wrote:
>> after an aptitude upgrade my md0 (/boot) and md2 (/home) raid devices
>> are not
>> properly detected anymore. but md1, which holds the system, is still
>> active. besides
>> mdadm and lvm2, the upgrade updated the kernel, but with the same
>> version that i
>> was already using, which is 2.6.10-1-k7. do you hav any ideas, hints,
>> suggestions?
>
> Are you using udev? See
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=294404
>
> --
> see shy jo
>
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