Re: Negative amount of objects degraded

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There are a couple of open tickets about bogus (negative) stats on PGs:
http://tracker.ceph.com/issues/5884
http://tracker.ceph.com/issues/7737

Cheers,
John

On Thu, Oct 30, 2014 at 12:38 PM, Erik Logtenberg <erik@xxxxxxxxxxxxx> wrote:
> Hi,
>
> Yesterday I removed two OSD's, to replace them with new disks. Ceph was
> not able to completely reach all active+clean state, but some degraded
> objects remain. However, the amount of degraded objects is negative
> (-82), see below:
>
> 2014-10-30 13:31:32.862083 mon.0 [INF] pgmap v209175: 768 pgs: 761
> active+clean, 7 active+remapped; 1644 GB data, 2524 GB used, 17210 GB /
> 19755 GB avail; 2799 B/s wr, 1 op/s; -82/1439391 objects degraded (-0.006%)
>
> According to "rados df", the -82 degraded objects are part of the
> cephfs-data-cache pool, which is an SSD-backed replicated pool, that
> functions as a cache pool for an HDD-backed erasure coded pool for cephfs.
>
> The cache should be empty, because I isseud "rados
> cache-flush-evict-all"-command, and "rados -p cephfs-data-cache ls"
> indeed shows zero objects in this pool.
>
> "rados df" however does show 192 objects for this pool, with just 35KB
> used and -82 degraded:
>
> pool name       category                 KB      objects       clones
>   degraded      unfound           rd        rd KB           wr        wr KB
> cephfs-data-cache -                         35          192            0
>          -82           0         1119       348800      1198371   1703673493
>
> Please advice...
>
> Thanks,
>
> Erik.
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