Re: why my cluster become unavailable

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Nov 19, 2015 at 11:26 PM, Libin Wu <hzwulibin@xxxxxxxxx> wrote:
> Hi, cepher
>
> I have a cluster of 6 OSD server, every server has 8 OSDs.
>
> I out 4 OSDs on every server, then my client io is blocking.
>
> I reboot my client and then create a new rbd device, but the new
> device also can't write io.
>
> Yeah, i understand that some data may lost as threee replicas of some
> object were lost, but why the cluster become unavailable?
>
> There 80 incomplete pg and 4 down+incomplete pg.
>
> Any solution i could solve the problem?

Yes, if you doesn't have a special crushmap to control the data
replcement policy, pg will lack of necessary metadata to boot. If need
to readd outed osds or force remove pg which is incomplete(hope it's
just a test).

>
> Thanks!
> --
> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html



-- 
Best Regards,

Wheat
--
To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [CEPH Users]     [Ceph Large]     [Information on CEPH]     [Linux BTRFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]
  Powered by Linux