Re: Recovery from 12.2.5 (corruption) -> 12.2.6 (hair on fire) -> 13.2.0 (some objects inaccessible and CephFS damaged)

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On Wed, Jul 18, 2018 at 2:57 AM, Troy Ablan <tablan@xxxxxxxxx> wrote:
> I was on 12.2.5 for a couple weeks and started randomly seeing
> corruption, moved to 12.2.6 via yum update on Sunday, and all hell broke
> loose.  I panicked and moved to Mimic, and when that didn't solve the
> problem, only then did I start to root around in mailing lists archives.
>
> It appears I can't downgrade OSDs back to Luminous now that 12.2.7 is
> out, but I'm unsure how to proceed now that the damaged cluster is
> running under Mimic.  Is there anything I can do to get the cluster back
> online and objects readable?

That depends on what the specific problem is. Can you provide some
data that fills in the blanks around "randomly seeing corruption"?

>
> Everything is BlueStore and most of it is EC.
>
> Thanks.
>
> -Troy
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com



-- 
Cheers,
Brad
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