[Lustre-discuss] Directory access triggers OI scrub

Tommi T tommi_t77 at yahoo.com
Thu Jun 12 07:29:30 PDT 2014


Yes, also with different client versions.

el6: lustre-client-2.1.6/2.5.1

cray: lustre-client-2.4.1-3.0.101_0.29_default




On Thursday, June 12, 2014 5:18 PM, "Yong, Fan" <fan.yong at intel.com> wrote:
Have you tried it with new mounted client after the upgrading? 

--
Regards,
Nasf




> -----Original Message-----
> From: Tommi T [mailto:tommi_t77 at yahoo.com]
> Sent: Thursday, June 12, 2014 8:58 PM
> To: Yong, Fan; lustre-discuss
> Subject: Re: [Lustre-discuss] Directory access triggers OI scrub
> 
> Hi,
> 
> Still same error. I tried ls -ali /absolute/path/progs and ${parent}/progs
> 
> Regards,
> 
> Tommi
> 
> 
> 
> 
> On Thursday, June 12, 2014 6:01 AM, "Yong, Fan" <fan.yong at intel.com>
> wrote:
> Go to up layer directory, then try "ls -ail ${parent}/progs" to see what will
> happen.
> 
> --
> Best Regards,
> Nasf
> 
> 
> 
> 
> > -----Original Message-----
> > From: lustre-discuss-bounces at lists.lustre.org [mailto:lustre-discuss-
> > bounces at lists.lustre.org] On Behalf Of Tommi T
> > Sent: Wednesday, June 11, 2014 5:11 PM
> > To: lustre-discuss
> > Subject: [Lustre-discuss] Directory access triggers OI scrub
> >
> > Hi,
> >
> > One user complained that he cannot access one directory. Accessing
> > that directory triggers OI scrubbing on the MDS but it does not find any errors.
> >
> > Filesystem is created with lustre 2.1.3 tools and now server side is
> > upgraded to
> > b2_5 branch b7243c0 +kernel-2.6.32.431.17.1.el6_lustre.Is there some
> > way to debug this further to find out what the problem really is?
> >
> >
> > d?????????    ? ?        ?               ?            ? progs
> >
> >
> > ls -la progs
> > ls: cannot access progs: Operation now in progress
> >
> >
> > lfs getstripe progs
> > llapi_semantic_traverse: Failed to open 'progs': Operation now in
> > progress (115)
> >
> >
> > MDT side:
> > MDT0000: trigger OI scrub by RPC for [0x2012f90d5:0x6641:0x0], rc = 0
> > [1]
> >
> > stat /homeappl/.lustre/fid/[0x2012f90d5:0x6641:0x0]
> > stat: cannot stat `/homeappl/.lustre/fid/[0x2012f90d5:0x6641:0x0]':
> > Operation now in progress
> >
> >
> > name: OI_scrub
> > magic: 0x4c5fd252
> > oi_files: 1
> > status: completed
> > flags:
> > param:
> > time_since_last_completed: 889 seconds
> > time_since_latest_start: 991 seconds
> > time_since_last_checkpoint: 889 seconds
> > latest_start_position: 12
> > last_checkpoint_position: 268435457
> > first_failure_position: N/A
> > checked: 18208728
> > updated: 0
> > failed: 0
> > prior_updated: 0
> > noscrub: 1586
> > igif: 80
> > success_count: 18
> > run_time: 102 seconds
> > average_speed: 178516 objects/sec
> > real-time_speed: N/A
> > current_position: N/A
> > lf_scanned: 0
> > lf_reparied: 0
> > lf_failed: 0
> > _______________________________________________
> > Lustre-discuss mailing list
> > Lustre-discuss at lists.lustre.org
> > http://lists.lustre.org/mailman/listinfo/lustre-discuss



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