Hi Alex, I'm okay myself with the number of scrubs performed, would you expect tweaking any of those values to let the deep-scrubs finish in time/
Thanks, Michael On Wed, 3 Apr 2019 at 10:30, Alexandru Cucu <m...@alexcucu.ro> wrote: > Hello, > > You can increase *osd scrub max interval* and *osd deep scrub > interval* if you don't want at least one scrub/deep scrub per week. > > I would also play with *osd max scrubs* and *osd scrub load threshold* > to do more scrubbing work, but be careful as it will have a huge > impact on performance. > > --- > Alex Cucu > > On Wed, Apr 3, 2019 at 3:46 PM Michael Sudnick > <michael.sudn...@gmail.com> wrote: > > > > Hello, was on IRC yesterday about this and got some input, but haven't > figured out a solution yet. I have a 5 node, 41 OSD cluster which currently > has the warning "295 pgs not deep-scrubbed in time". The number slowly > increases as deep scrubs happen. In my cluster I'm primarily using 5400 RPM > 2.5" disks, and that's my general bottleneck. Processors are 8/16 core > Intel® Xeon processor D-1541. 8 OSDs per node (one has 9), and each node > hosts a MON, MGR and MDS. > > > > My CPU usage is low, it's a very low traffic cluster, just a home lab. > CPU usage rarely spikes around 30%. RAM is fine, each node has 64GiB, and > only about 33GiB is used. Network is overkill, 2x1GbE public, and 2x10GbE > cluster. Disk %util when deep scrubs are happening can hit 80%, so that > seems to be my bottleneck. > > > > I am running Nautilus 14.2.0. I've been running fine since release up to > about 3 days ago where I had a disk die and replaced it. > > > > Any suggestions on what I can do? Thank you for any suggestions. > > > > -Michael > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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