Hi KK,

Thank you for your comment, we did set “ceph osd set noout” before shutdown OSD 
daemons.

Thanks,
Tim

> On Apr 7, 2017, at 6:07 PM, K K <n...@mail.ru> wrote:
> 
> Hello, 
> 
> my cluster didn't have MDS. I recommended add "ceph osd set noout" before 
> shutdown OSD daemons. 
> I've done those operation tomorrow and my cluster working again. 
> 
> Пятница, 7 апреля 2017, 13:47 +05:00 от TYLin <wooer...@gmail.com>:
> 
> Hi all,
> 
> We’re trying to stop and then restart our ceph cluster. Our steps are as 
> following:
> 
> stop cluster:
> stop mds -> stop osd -> stop mon
> 
> restart cluster:
> start mon -> start osd -> start mds
> 
> Our cluster will stuck in cephfs degraded and mds is replaying journal. After 
> restart mds again, cluster status becomes HEALTH_OK. What is the correct (or 
> recommend) steps to stop/restart cluster?
> 
> Thanks,
> Tim
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