Hi Zhang,
From the ceph health detail, I suggest NTP server should be calibrated.
Can you share crush map output?
2016-03-22 18:28 GMT+08:00 Zhang Qiang <dotslash.lu@xxxxxxxxx>:
Hi Reddy,It's over a thousand lines, I pasted it on gist: https://gist.github.com/dotSlashLu/22623b4cefa06a46e0d4On Tue, 22 Mar 2016 at 18:15 M Ranga Swami Reddy <swamireddy@xxxxxxxxx> wrote:Hi,
Can you please share the "ceph health detail" output?
Thanks
Swami
On Tue, Mar 22, 2016 at 3:32 PM, Zhang Qiang <dotslash.lu@xxxxxxxxx> wrote:
> Hi all,
>
> I have 20 OSDs and 1 pool, and, as recommended by the
> doc(http://docs.ceph.com/docs/master/rados/operations/placement-groups/), I
> configured pg_num and pgp_num to 4096, size 2, min size 1.
>
> But ceph -s shows:
>
> HEALTH_WARN
> 534 pgs degraded
> 551 pgs stuck unclean
> 534 pgs undersized
> too many PGs per OSD (382 > max 300)
>
> Why the recommended value, 4096, for 10 ~ 50 OSDs doesn't work? And what
> does it mean by "too many PGs per OSD (382 > max 300)"? If per OSD has 382
> PGs I would have had 7640 PGs.
>
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> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
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