[Lustre-discuss] Quota question

Enrico Morelli morelli at cerm.unifi.it
Thu Jun 5 02:08:43 PDT 2008


On Thu, 5 Jun 2008 10:05:52 +0100
Wojciech Turek <wjt27 at cam.ac.uk> wrote:

> Quotas doesn't work very well in Lustre 1.6.4.x
> Qunit allocation doesn't work correctly so practically every time
> you change quota you have to reset it first. There are many bugzilla  
> tickets about this issue.
> Also after some time of using quotas we experienced LBUG's thus we  
> decided to turn them off.
> Apparently lustre 1.6.5 will introduce lots of changes to quota code  
> in order to fix this flows and as well to allow to introduce new  
> features.
> 
> Regards,
> 
> Wojciech Turek

Thanks for the infos

> 
> On 5 Jun 2008, at 09:57, Enrico Morelli wrote:
> 
> > On Thu, 5 Jun 2008 09:47:52 +0200
> > Enrico Morelli <morelli at cerm.unifi.it> wrote:
> >
> >> On Wed, 4 Jun 2008 12:42:47 +0200
> >> Enrico Morelli <morelli at cerm.unifi.it> wrote:
> >>
> >>> On Wed, 04 Jun 2008 14:11:47 +0400
> >>> Andrew Perepechko <Andrew.Perepechko at sun.com> wrote:
> >>>
> >>>> Enrico,
> >>>>
> >>>> what version of Lustre are you using?
> >>>>
> >>>
> >>> 1.6.4.3
> >
> > Ok. For now I solved the problem, resetting user quota and set it  
> > again.
> >
> >>>
> >>>> Andrew.
> >>>>
> >>>> On Wednesday 04 June 2008 12:51:26 Enrico Morelli wrote:
> >>>>> Dear all,
> >>>>>
> >>>>> I've a problem that I don't understand.
> >>>>>
> >>>>> Disk quotas for user hsco1 (uid 1250):
> >>>>>     Filesystem  kbytes   quota   limit   grace   files   quota
> >>>>> limit   grace /lustre_homes/ 13204576  30000000 35000000
> >>>>> 60309       0       0
> >>>>> spfs-MDT0000_UUID
> >>>>>                14760       0  102400           60309       0 0
> >>>>> spfs-OST0000_UUID
> >>>>>                3648336       0 3788800
> >>>>> spfs-OST0001_UUID
> >>>>>                2050408       0 2150400
> >>>>> spfs-OST0002_UUID
> >>>>>                3660516       0 3788800
> >>>>> spfs-OST0003_UUID
> >>>>>                3830556*      0       1
> >>>>>
> >>>>>
> >>>>> For me the user is under the quota (13GB data vs 30GB of quota),
> >>>>> but for the system is out of quota. Where is the problem?
> >>>>>
> >>>>> Thanks
> >>>>
> >>>>
> >>>
> >>>
> >> I don't understand the last row displayed by lfs quota:
> >> spfs-OST0003_UUID
> >>                3830556*      0       1
> >>
> >> This is my df:
> >> /dev/data_se/lustre_mgs_mdt
> >>                      45871740   1515804  41734496
> >> 4% /lustre_mgs_mdt /dev/data_se/data_local_a
> >>                     516061624 237605788 252241436
> >> 49% /data_local_a /dev/data_se/data_local_b
> >>                     516061624 228373408 261473816
> >> 47% /data_local_b /dev/data_se/data_local_c
> >>                     516061624 283749608 206097616
> >> 58% /data_local_c /dev/data_se/data_local_d
> >>                     278673480 167750860  96766844
> >> 64% /data_local_d se-enmr.cerm.unifi.it at tcp0:/spfs
> >>                     1826858352 917479664 816579452
> >> 53% /lustre_homes
> >>
> >>
> >> The manual say:
> >> Note - Values appended with “*” show the limit that has been
> >> over-used (exceeding the quota), and receives this message Disk
> >> quota exceeded.
> >>
> >> How can I solve this problem?
> >>
> >> ---
> >> -------------------------------------------------------------------
> >> (o_ (o_    //\  Coltivate Linux che tanto Windows si pianta da
> >> solo. (/)_ V_/_
> >> +------------------------------------------------------------------+
> >> |     ENRICO MORELLI         |  email:
> >> morelli at CERM.UNIFI.IT | |
> >> *     *       *       *    |  phone: +39 055 4574269             |
> >> | University of Florence    |  fax  : +39 055 4574253
> >> | | CERM - via Sacconi, 6 -  50019 Sesto Fiorentino (FI) -
> >> ITALY    |
> >> +------------------------------------------------------------------+
> >> _______________________________________________ Lustre-discuss
> >> mailing list Lustre-discuss at lists.lustre.org
> >> http://lists.lustre.org/mailman/listinfo/lustre-discuss
> >
> >
> > -- 
> > -------------------------------------------------------------------
> >       (o_
> > (o_    //\  Coltivate Linux che tanto Windows si pianta da solo.
> > (/)_   V_/_
> > +------------------------------------------------------------------+
> > |     ENRICO MORELLI         |  email: morelli at CERM.UNIFI.IT       |
> > | *     *       *       *    |  phone: +39 055 4574269             |
> > |  University of Florence    |  fax  : +39 055 4574253             |
> > |  CERM - via Sacconi, 6 -  50019 Sesto Fiorentino (FI) - ITALY    |
> > +------------------------------------------------------------------+
> > _______________________________________________
> > Lustre-discuss mailing list
> > Lustre-discuss at lists.lustre.org
> > http://lists.lustre.org/mailman/listinfo/lustre-discuss
> 


-- 
-------------------------------------------------------------------
       (o_
(o_    //\  Coltivate Linux che tanto Windows si pianta da solo.
(/)_   V_/_
+------------------------------------------------------------------+
|     ENRICO MORELLI         |  email: morelli at CERM.UNIFI.IT       |
| *     *       *       *    |  phone: +39 055 4574269             |
|  University of Florence    |  fax  : +39 055 4574253             |
|  CERM - via Sacconi, 6 -  50019 Sesto Fiorentino (FI) - ITALY    |
+------------------------------------------------------------------+



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