Ahh. This user has different UIDs on the clients and the server. Do they actually have to be the same? I thought the MDS and the OSS servers just store files with the uid/gid as reported by the client. I did not assume that the servers need to map these UIDs to a user name.
Michael Am 22.09.2010 um 10:57 schrieb Thomas Roth: > Hi Michael, > > "Identifier removed" occured to me when the user data base was not accessible > by > the MDS - when the MDS didn't know about any normal user. "root" is of course > known > there, but what does e.g. "id mkluge" say on your MDS? > > Regards, > Thomas > > On 09/22/2010 10:29 AM, Michael Kluge wrote: >> Hi all, >> >> I have a 1.8.3 running on a couple of servers connected via IB to a >> small cluster. To test the network performance I have one MDS and 14 OST >> residing in ram disks. One the client it is mounted on /lustre. >> >> I have a file in this directory (created as root and then chown'ed to >> 'mkluge'): >> >> mkl...@r2i0n0:~> ls -la /lustre/dfddd/ball >> -rw-r--r-- 1 mkluge zih 14680064000 2010-09-22 10:14 /lustre/dfddd/ball >> mkl...@r2i0n0:~> cd /lustre/dfddd/ >> mkl...@r2i0n0:/lustre/dfddd> ls >> /bin/ls: .: Identifier removed >> mkl...@r2i0n0:/lustre/dfddd> ls -la >> /bin/ls: .: Identifier removed >> >> Has anyone an idea what this could be? I can't event create a directory >> in /lustre >> >> mkl...@r2i0n0:~> mkdir /lustre/ww >> mkdir: cannot create directory `/lustre/ww': Identifier removed >> >> 'root' is able to create the directory. Setting permissions to '777' or >> '1777' does not help either. >> >> The MDS was formated to use mgt and mgs from the same ram device. >> >> >> Regards, Michael >> >> >> >> >> >> _______________________________________________ >> Lustre-discuss mailing list >> [email protected] >> http://lists.lustre.org/mailman/listinfo/lustre-discuss > > -- > -------------------------------------------------------------------- > Thomas Roth > Department: Informationstechnologie > Location: SB3 1.262 > Phone: +49-6159-71 1453 Fax: +49-6159-71 2986 > > GSI Helmholtzzentrum für Schwerionenforschung GmbH > Planckstraße 1 > 64291 Darmstadt > www.gsi.de > > Gesellschaft mit beschränkter Haftung > Sitz der Gesellschaft: Darmstadt > Handelsregister: Amtsgericht Darmstadt, HRB 1528 > > Geschäftsführung: Professor Dr. Dr. h.c. Horst Stöcker, > Dr. Hartmut Eickhoff > > Vorsitzende des Aufsichtsrates: Dr. Beatrix Vierkorn-Rudolph > Stellvertreter: Ministerialdirigent Dr. Rolf Bernhardt > -- Michael Kluge, M.Sc. Technische Universität Dresden Center for Information Services and High Performance Computing (ZIH) D-01062 Dresden Germany Contact: Willersbau, Room WIL A 208 Phone: (+49) 351 463-34217 Fax: (+49) 351 463-37773 e-mail: [email protected] WWW: http://www.tu-dresden.de/zih
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