[lustre-discuss] lustre 2.8.0, getattr error rc = -2

Dilger, Andreas andreas.dilger at intel.com
Mon Apr 11 15:31:37 PDT 2016

On 2016/04/11, 16:01, "Christopher B Coffey" <Chris.Coffey at nau.edu> wrote:

>I¹ve upgraded our lustre filesystem from 2.5.3 (server), and 2.6.0
>(client) to 2.8.0 all around.  Things look great.

Good to hear.

>  But I am getting these errors on the mds logs:
>Apr 11 11:04:02 mds1 kernel: LustreError:
>43984:0:(mdt_handler.c:893:mdt_getattr_internal()) blizzard-MDT0000:
>getattr error for [0x200040406:0xeba3:0x0]: rc = -2
>lfs fid2path /scratch 0x200040406:0xeba3:0x0
>fid2path: error on FID 0x200040406:0xeba3:0x0: No such file or directory
>So, the file is really not there.  But, why would the client be
>requesting a file that is not there?  Maybe broken hardlink?  Or what
>else could it be?  A timing issue where the file was deleted in the
>process of being retrieved?  Or does this error message indicate
>something else? Thanks!

Typically I've seen this when there are two processes running "rm -r" in
the same directory tree, or equivalent (at least one doing "rm", the other
one could be anything like "find" or "ls -lR" or "rsync" ...).

This particular message could be quieted from the console
(CERROR->CDEBUG), since it can be generated by a regular user easily and
does not necessarily indicate anything is wrong.  Please file a ticket in
Jira, and if you can also submit a patch that would be even better.

Cheers, Andreas
Andreas Dilger

Lustre Principal Architect
Intel High Performance Data Division

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