[Lustre-discuss] Bad files on 1.8.5

Peter Kjellström cap at nsc.liu.se
Thu Feb 9 02:36:36 PST 2012


On Monday, February 06, 2012 10:19:13 PM My Lustre wrote:
> Our filesystem suffered a major MDS problem.  We now have some very bad
> inconsistencies between the MDS and OST's and know that the solution will
> either be formatting the filesystem or an extended outage for an fsck.  In
> the mean time, I'd like to ask if it's possible to erase some broken files
> manually.  Here's an example of a broken file from the client perspective:
> 
> sh-3.2# ls -l 100MB.bin
> ls: 100MB.bin: Invalid argument
> sh-3.2# ls -l
> total 16
> ?---------  ? ?        ?           ?            ? 100MB.bin
> drwxr-xr-x 14 root     root     4096 Feb  6 15:51 deprecated

Just to eliminate the obvious, make sure you have your user info (/etc/group 
passwd) synced on all nodes. A mismatch gives similar sympthoms.

/Peter
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