Re: MDS unmatched rstat after upgrade hammer

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On Thu, Apr 9, 2015 at 7:09 AM, Scottix <scottix@xxxxxxxxx> wrote:
> I was testing the upgrade on our dev environment and after I restarted the
> mds I got the following errors.
>
> 2015-04-08 15:58:34.056470 mds.0 [ERR] unmatched rstat on 605, inode has
> n(v70 rc2015-03-16 09:11:34.390905), dirfrags have n(v0 rc2015-03-16
> 09:11:34.390905 1=0+1)
> 2015-04-08 15:58:34.056530 mds.0 [ERR] unmatched rstat on 604, inode has
> n(v69 rc2015-03-31 08:07:09.265241), dirfrags have n(v0 rc2015-03-31
> 08:07:09.265241 1=0+1)
> 2015-04-08 15:58:34.056581 mds.0 [ERR] unmatched rstat on 606, inode has
> n(v67 rc2015-03-16 08:54:36.314790), dirfrags have n(v0 rc2015-03-16
> 08:54:36.314790 1=0+1)
> 2015-04-08 15:58:34.056633 mds.0 [ERR] unmatched rstat on 607, inode has
> n(v57 rc2015-03-16 08:54:46.797240), dirfrags have n(v0 rc2015-03-16
> 08:54:46.797240 1=0+1)
> 2015-04-08 15:58:34.056687 mds.0 [ERR] unmatched rstat on 608, inode has
> n(v23 rc2015-03-16 08:54:59.634299), dirfrags have n(v0 rc2015-03-16
> 08:54:59.634299 1=0+1)
> 2015-04-08 15:58:34.056737 mds.0 [ERR] unmatched rstat on 609, inode has
> n(v62 rc2015-03-16 08:55:06.598286), dirfrags have n(v0 rc2015-03-16
> 08:55:06.598286 1=0+1)
> 2015-04-08 15:58:34.056789 mds.0 [ERR] unmatched rstat on 600, inode has
> n(v101 rc2015-03-16 08:55:16.153175), dirfrags have n(v0 rc2015-03-16
> 08:55:16.153175 1=0+1)

These errors are likely caused by the bug that rstats are not set to
correct values
when creating new fs. Nothing to worry about, the MDS automatically fixes rstat
errors.

>
> I am not sure if this is an issue or got fixed or something I should worry
> about. But would just like some context around this issue since it came up
> in the ceph -w and other users might see it as well.
>
> I have done a lot of "unsafe" stuff on this mds so not to freak anyone out
> if that is the issue.
>
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> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
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