On Thu, 1 Jan 2015 08:50:20 AM you wrote: > > http://ceph.com/docs/master/rados/operations/crush-map/#primary-affinity > > > > > > This may help you too: > > http://cephnotes.ksperis.com/blog/2014/08/20/ceph-primary-affinity Hmmmm - so if I have three OSD's on a Node (looking at get two extra drives per node now) - and set the affinity: osd.0 = 0 osd.1 = 1 osd.2 = 1 Then reads will be randomly split between osd's 1 & 2? ceph - a tweakers delight. We need a new DSM entry: COCD : "Ceph Obsessive Compulsive Disorder" -- Lindsay
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