[Lustre-discuss] detecting problematic files via mds/oss syslog messages

Brian J. Murrell Brian.Murrell at Sun.COM
Tue Jul 21 06:51:24 PDT 2009


On Mon, 2009-07-20 at 16:06 -0600, Andreas Dilger wrote:
> On Jul 20, 2009  13:20 +0300, Ender G�ler wrote:
> > Are there any ways of detecting the problematic file names from the mds/oss
> > syslog messages? Or to be more definite, are there any ways to find a map of
> > file name to inode number or file name to object id or inode number to
> > object id? I'm trying to understand the insights of lustre and some times I
> > wonder which files are affected from a lustre error? For example, when I see
> > an object id in log messages, how can I understand which file is this? Is
> > there any look up table, or map for these purposes?
> 
> If there are particularly bad error messages, you could file a bug with
> details.
> 
> It is also possible to manually map an OST object ID to an MDS filename.
> For example, objid 620032 on my filesystem:

This exact procedure is being added to the manual FWIW.  Details are in
bug 19753.

b.

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