[Lustre-discuss] quota persistence over filesystem shutdown

[Bernd Schubert]

On Wed, May 21, 2008 at 11:25:29PM +0400, Andrew Perepechko wrote:
> You might want to use mkfs.lustre or tunefs.lustre with quota_type=ug parameter

Huh? The manual doesn't say anything about mkfs.lustre or tunefs.lustre, but 
all is to be done using lfs (http://manual.lustre.org/manual/LustreManual16_HTML/ConfiguringQuotas.html)

Also in lustre/utils nothing points to mkfs.lustre or tunefs.lustre on
grepping for quotas.


Cheers,
Bernd


> 
> Andrew.
> 
> On Wednesday 21 May 2008 20:32:22 Guy Coates wrote:
> > Hi all,
> > 
> > I have run into a problem with the quota system not being re-activated over a
> > filesystem shutdown.
> > 
> > 
> > I initially activated quotas on the lustre filesystem by running:
> > 
> > #quotacheck ug /mnt/data1
> > 
> > and then setting a user quota with:
> > 
> > #lfs -u gmpc 307200 309200 10000 11000 /mnt/data1
> > 
> > 
> > quota-ing  works as expected. If I umount and remount the filesystem on the
> > clients, the quota information and behaviour is preserved.
> > 
> > 
> > However, if I un-mount the clients and then restart the MDS/OSTs, the quota
> > system is not active once the filesystem is remounted on the client:
> > 
> > 
> > # lfs quota -u gmpc /mnt/data1
> > Disk quotas for user gmpc (uid xxxx):
> >      Filesystem  kbytes   quota   limit   grace   files   quota   limit   grace
> > quota failed: No such process
> > 
> > 
> > If I run:
> > 
> > #lfs quotaon  /mnt/data1
> > 
> > on the client, the quota system is re-activated and everything works as expected.
> > 
> > 
> > # lfs quota -u gmpc /mnt/data1
> > Disk quotas for user gmpc (uid 10795):
> >      Filesystem  kbytes   quota   limit   grace   files   quota   limit   grace
> >      /mnt/data1   58308  307200  309200            1302   10000   11000
> > data1-MDT0000_UUID
> >                     432       0  102400            1302       0    5000
> > data1-OST0000_UUID
> >                    3272       0  102400
> > data1-OST0001_UUID
> >                   50500       0  102400
> > data1-OST0002_UUID
> >                    2052*      0       1
> > data1-OST0003_UUID
> >                    2052*      0       1
> > 
> > 
> > I am running lustre 1.6.4.3 / kernel 2.6.18 on debian ia32. The lquota module
> > has been loaded, and there are no error messages being generated on the
> > client/ost/mds.
> > 
> > Cheers,
> > 
> > Guy
> > 
> > -- 
> > Dr. Guy Coates,  Informatics System Group
> > The Wellcome Trust Sanger Institute, Hinxton, Cambridge, CB10 1HH, UK
> > Tel: +44 (0)1223 834244 x 6925
> > Fax: +44 (0)1223 496802
> > 
> > 
> 
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