Hi, no I have not seen any log entries related to scrubs.
I see slow requests for various operations including readdir, unlink. Sometimes rdlock, sometimes wrlock.
On 12 May 2017 at 16:10, Peter Maloney <peter.maloney@xxxxxxxxxxxxxxxxxxxx> wrote:
On 05/12/17 16:54, James Eckersall wrote:
> Hi,
>
> We have an 11 node ceph cluster 8 OSD nodes with 5 disks each and 3
> MDS servers.
> Since upgrading from Jewel to Kraken last week, we are seeing the
> active MDS constantly reporting a number of slow requests > 30 seconds.
> The load on the Ceph servers is not excessive. None of the OSD disks
> appear to be slow or excessively busy.
>
Does it look anything like my issue here?
https://www.spinics.net/lists/ceph-devel/msg36184.html
> Does anyone have any ideas on how to diagnose what is causing this?
>
> Thanks
>
> James
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