[Lustre-discuss] EXTERNAL: Re: Unable to write to the Lustre File System as any user except root

Cliff White cliffw at whamcloud.com
Wed Oct 12 08:48:16 PDT 2011

If you are not using LDAP, etc, then the user's information must be in the
MDS's password files.
Users must be known to the MDS.

On Wed, Oct 12, 2011 at 6:37 AM, Barberi, Carl E <carl.e.barberi at lmco.com>wrote:

> Thank you Kilian.  However, I was just able to perform Lustre operations as
> another user.  So now it seems that only one of my users exhibits the
> problem I saw.  I don't have NIS or LDAP configured on this MDS, but I have
> another Lustre FS setup elsewhere that does not exhibit any of the problems
> I've seen.  Any thoughts as to why now only one user cannot access the
> Lustre FS?
> Thanks,
> Carl
> -----Original Message-----
> From: Kilian CAVALOTTI [mailto:kilian.cavalotti.work at gmail.com]
> Sent: Wednesday, October 12, 2011 2:24 AM
> To: Barberi, Carl E
> Cc: lustre-discuss at lists.lustre.org
> Subject: EXTERNAL: Re: [Lustre-discuss] Unable to write to the Lustre File
> System as any user except root
> Hi Carl,
> On Tue, Oct 11, 2011 at 9:07 PM, Barberi, Carl E
> <carl.e.barberi at lmco.com> wrote:
> > “ LustreError: 11-0: an error occurred while communicating with
> > at o2ib.  The mds_getxattr operation failed with -13.”
> You likely miss authentication information on your MDS about the user
> you're trying to write as.
> Just configure NIS, LDAP or whatever you're using on your MDS, and you
> should be good to go.
> Cheers,
> --
> Kilian
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Support Guy
WhamCloud, Inc.
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