[CentOS] ext3 errors (md device related?)

Fri Mar 14 19:24:13 UTC 2008
Les Mikesell <lesmikesell at gmail.com>

Nicolas KOWALSKI wrote:
> Les Mikesell <lesmikesell at gmail.com> writes:
> 
>> 'fsck -y' seems to fix it up, but it keeps happening. Is this likely
>> to be leftover cruft from the hardware issues or are there problems
>> in ext3/raid1/sata drivers? The way backuppc stores data with
>> millions of hardlinks in the archive it isn't really practical to
>> copy it off, reformat, and start over.
> 
> Maybe a memory problem:
> 
> http://thread.gmane.org/gmane.comp.file-systems.ext3.user/3457/focus=3459

Back to this problem again.  I did a new mkfs.ext3 and ran more than a 
week before hitting this again:

Mar 14 04:12:29 linbackup1 kernel: md3: rw=0, want=14439505280, 
limit=1465143808
Mar 14 04:12:29 linbackup1 kernel: EXT3-fs error (device md3): 
ext3_readdir: directory #34079247 contains a hole at offset 0
Mar 14 04:12:29 linbackup1 kernel: Aborting journal on device md3.
Mar 14 04:12:29 linbackup1 kernel: md3: rw=0, want=5260961472, 
limit=1465143808
Mar 14 04:12:29 linbackup1 kernel: EXT3-fs error (device md3): 
ext3_readdir: directory #34079247 contains a hole at offset 4096

I don't see any hardware related errors, and the rest of the filesystems 
all seem fine, although this is the one that is busy.

Can this be related to being on a 3-member RAID1 that normally runs with 
one device misssing? I've run a different one that way for a couple of 
years on earlier kernels.

Will it hurt anything to mount the underlying partition of one of the 
drives directly for a while instead of using the md device?

-- 
   Les Mikesell
    lesmikesell at gmail.com