Re: [ceph-users] Split-brain in a multi-site cluster

2017-02-05 Thread Ilia Sokolinski
Thank you Joao and Gregory! I will investigate whether we can use the mon_osd_reporter_subtree_level option. Ilia ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

Re: [ceph-users] osd_snap_trim_sleep keeps locks PG during sleep?

2017-02-05 Thread Peter Maloney
On 02/03/17 19:54, David Turner wrote: > Our current solution in Hammer involves a daemon monitoring the > cluster load and setting the osd_snap_trim_sleep accordingly between 0 > and 0.35 which does a good job of preventing IO blocking and help us > to clear out the snap_trim_q each day. These se

Re: [ceph-users] osd_snap_trim_sleep keeps locks PG during sleep?

2017-02-05 Thread David Turner
Yes, we will be able to test the modifications to master. We should be able to wait for Luminous as our next production upgrade if it means getting this patch. On Fri, Feb 3, 2017 at 12:09 PM Samuel Just wrote: > Ok, I'm still working on a branch for master that will introduce limiter > on how m

Re: [ceph-users] Why is bandwidth not fully saturated?

2017-02-05 Thread Christian Balzer
Hello, On Sun, 5 Feb 2017 02:03:57 +0100 Marc Roos wrote: > > > I have a 3 node test cluster with one osd per node. And I write a file > to a pool with size 1. Why doesn’t ceph just use the full 110MB/s of > the network (as with default rados bench test)? Does ceph 'reserve' > bandwidth fo

Re: [ceph-users] osd_snap_trim_sleep keeps locks PG during sleep?

2017-02-05 Thread David Turner
I accidentally responded from the wrong email address. We will be able to build off of master and test that. Sent from my iPhone On Feb 5, 2017, at 3:27 PM, Peter Maloney mailto:peter.malo...@brockmann-consult.de>> wrote: On 02/03/17 19:54, David Turner wrote: Our current solution in Hammer i