[CentOS] Strange Problem with dm-0

Mon Jan 7 21:59:31 UTC 2008
William L. Maltby <CentOS4Bill at triad.rr.com>

On Mon, 2008-01-07 at 16:22 -0500, James B. Byrne wrote:
> I began an update of one of our servers via yum and, coincidentally or 
> not, I have been getting the following logged into the message file since:
> 
> messages:Jan  7 15:55:51 inet07 kernel: post_create:  setxattr failed, 
> rc=28 (dev=dm-0 ino=280175)
> 
> 
> Now, this tells me that dev dm-0 is out of space but, what is dm-0?

On my system, 

]# ls -l /dev/mapper
total 0
brw-rw----  1 root disk 253,  0 Dec 29 10:07 VolGroup00-LogVol00
brw-rw----  1 root disk 253,  3 Dec 29 10:08 VolGroup01-Home01
brw-rw----  1 root disk 253,  2 Dec 29 10:08 VolGroupAA-lvol1
brw-rw----  1 root disk 253,  1 Dec 29 10:08 VolGroupAE-LogVolTemp
crw-------  1 root root  10, 63 Dec 29 10:07 control
[root at centos01 ~]# ls -l /dev/dm*
brw-r-----  1 root root 253, 0 Dec 29 10:07 /dev/dm-0
brw-r-----  1 root root 253, 1 Dec 29 10:08 /dev/dm-1
brw-r-----  1 root root 253, 2 Dec 29 10:08 /dev/dm-2
brw-r-----  1 root root 253, 3 Dec 29 10:08 /dev/dm-3

S/b very similar on yours.

> 
> So, can anyone tell me what is happening and why?

NP here. Do a df or du on the equivalent LVM(?) item.

> <snip>

HTH
-- 
Bill