Am 12. Februar 2018 20:32:24 MEZ schrieb David Turner <drakonstein@xxxxxxxxx>: >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. > I am not sure but a few years ago (2/3) i had a look in calamarie and there was a flag which could be set to stop client io only... Someone out there who is using calamarie Today and could give a short response? - Mehmet >On Mon, Feb 12, 2018 at 1:56 PM Reed Dier <reed.dier@xxxxxxxxxxx> >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 <drakonstein@xxxxxxxxx> >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.schottelius@xxxxxxxxxxx> 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 >>> ceph-users@xxxxxxxxxxxxxx >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> >> _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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