The pause flag also pauses recovery traffic. It is literally a flag to stop anything and everything in the cluster so you can get an expert in to prevent something even worse from happening.
On Mon, Feb 12, 2018 at 1:56 PM Reed Dier <reed.d...@focusvq.com> wrote: > I do know that there is a pause flag in Ceph. > > What I do not know is if that also pauses recovery traffic, in addition to > client traffic. > > Also worth mentioning, this is a cluster-wide flag, not a pool level flag. > > Reed > > On Feb 11, 2018, at 11:45 AM, David Turner <drakonst...@gmail.com> wrote: > > If you set min_size to 2 or more, it will disable reads and writes to the > pool by blocking requests. Min_size is the minimum copies of a PG that need > to be online to allow it to the data. If you only have 1 copy, then it will > prevent io. It's not a flag you can set on the pool, but it should work > out. If you have size=3, then min_size=3 should block most io until the > pool is almost fully backfilled. > > On Sun, Feb 11, 2018, 9:46 AM Nico Schottelius < > nico.schottel...@ungleich.ch> wrote: > >> >> Hello, >> >> we have one pool, in which about 10 disks failed last week (fortunately >> mostly sequentially), which now has now some pgs that are only left on >> one disk. >> >> Is there a command to set one pool into "read-only" mode or even >> "recovery io-only" mode so that the only thing same is doing is >> recovering and no client i/o will disturb that process? >> >> Best, >> >> Nico >> >> >> >> -- >> Modern, affordable, Swiss Virtual Machines. Visit www.datacenterlight.ch >> _______________________________________________ >> ceph-users mailing list >> firstname.lastname@example.org >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> > _______________________________________________ > ceph-users mailing list > email@example.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > >
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