On Thu, Oct 17, 2019 at 12:35 PM huxia...@horebdata.cn
wrote:
>
> hello, Robert
>
> thanks for the quick reply. I did test with osd op queue = wpq , and osd
> op queue cut off = high
> and
> osd_recovery_op_priority = 1
> osd recovery delay start = 20
> osd recovery max active = 1
> osd reco
.
thanks again,
samuel
huxia...@horebdata.cn
From: Robert LeBlanc
Date: 2019-10-17 21:23
To: huxia...@horebdata.cn
CC: ceph-users
Subject: Re: Re: [ceph-users] Openstack VM IOPS drops dramatically during Ceph
recovery
On Thu, Oct 17, 2019 at 12:08 PM huxia...@horebdata.cn
wrote:
>
> I ha
On Thu, Oct 17, 2019 at 12:08 PM huxia...@horebdata.cn
wrote:
>
> I happened to find a note that you wrote in Nov 2015:
> http://lists.ceph.com/pipermail/ceph-users-ceph.com/2015-November/006173.html
> and I believe this is what i just hit exactly the same behavior : a host down
> will badly tak
-16 21:46
To: huxia...@horebdata.cn
CC: ceph-users
Subject: Re: Re: [ceph-users] Openstack VM IOPS drops dramatically during Ceph
recovery
On Wed, Oct 16, 2019 at 11:53 AM huxia...@horebdata.cn
wrote:
>
> My Ceph version is Luminuous 12.2.12. Do you think should i upgrade to
> Nautilus
On Wed, Oct 16, 2019 at 11:53 AM huxia...@horebdata.cn
wrote:
>
> My Ceph version is Luminuous 12.2.12. Do you think should i upgrade to
> Nautilus, or will Nautilus have a better control of recovery/backfilling?
We have a Jewel cluster and Luminuous cluster that we have changed
these settings o
: [ceph-users] Openstack VM IOPS drops dramatically during Ceph
recovery
On Thu, Oct 10, 2019 at 2:23 PM huxia...@horebdata.cn
wrote:
>
> Hi, folks,
>
> I have a middle-size Ceph cluster as cinder backup for openstack (queens).
> Duing testing, one Ceph node went down unexpected and powe
On Thu, Oct 10, 2019 at 2:23 PM huxia...@horebdata.cn
wrote:
>
> Hi, folks,
>
> I have a middle-size Ceph cluster as cinder backup for openstack (queens).
> Duing testing, one Ceph node went down unexpected and powered up again ca 10
> minutes later, Ceph cluster starts PG recovery. To my surpri
