[ceph-users] [Ceph-community] Pool broke after increase pg_num

Ashley Merrick singapore at amerrick.co.uk
Thu Nov 8 21:38:42 PST 2018


Are you sure the down OSD didn't happen to have any data required for the
re-balance to complete? How long has the down now removed OSD been out?
Before or after your increased PG count?

If you do "ceph health detail" and then pick a stuck PG what does "ceph pg
PG query" output?

Has your ceph -s output changed at all since the last paste?

On Fri, Nov 9, 2018 at 12:08 AM Gesiel Galvão Bernardes <
gesiel.bernardes at gmail.com> wrote:

> Em qui, 8 de nov de 2018 às 10:00, Joao Eduardo Luis <joao at suse.de>
> escreveu:
>
>> Hello Gesiel,
>>
>> Welcome to Ceph!
>>
>> In the future, you may want to address the ceph-users list
>> (`ceph-users at lists.ceph.com`) for this sort of issues.
>>
>>
> Thank you, I will do.
>
> On 11/08/2018 11:18 AM, Gesiel Galvão Bernardes wrote:
>> > Hi everyone,
>> >
>> > I am a beginner in Ceph. I made a increase of pg_num in a pool, and
>> > after  the cluster rebalance I increased pgp_num (a confission: I not
>> > had read the complete documentation about this operation :-(  ). Then
>> > after this my cluster broken, and stoped all. The cluster not rebalance,
>> > and my impression is that are all stopped.
>> >
>> > Below is my "ceph -s". Can anyone help-me?
>>
>> You have two osds down. Depending on how your data is mapped, your pgs
>> may be waiting for those to come back up before they finish being
>> cleaned up.
>>
>>
>  After removed OSD downs, it is tried rebalance, but is "frozen" again, in
> this status:
>
>   cluster:
>     id:     ab5dcb0c-480d-419c-bcb8-013cbcce5c4d
>     health: HEALTH_WARN
>             12840/988707 objects misplaced (1.299%)
>             Reduced data availability: 358 pgs inactive, 325 pgs peering
>
>   services:
>     mon: 3 daemons, quorum cmonitor,thanos,cmonitor2
>     mgr: thanos(active), standbys: cmonitor
>     osd: 17 osds: 17 up, 17 in; 221 remapped pgs
>
>   data:
>     pools:   1 pools, 1024 pgs
>     objects: 329.6 k objects, 1.3 TiB
>     usage:   3.8 TiB used, 7.4 TiB / 11 TiB avail
>     pgs:     1.660% pgs unknown
>              33.301% pgs not active
>              12840/988707 objects misplaced (1.299%)
>              666 active+clean
>              188 remapped+peering
>              137 peering
>              17  unknown
>              16  activating+remapped
>
> Any other idea?
>
>
> Gesiel
>
>>
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> ceph-users at lists.ceph.com
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>
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