Re: [ceph-users] Multiple OSD's in a Each node with replica 2

2015-03-23 Thread Robert LeBlanc
I don't have a fresh cluster on hand to double check, but the default is to select a different host for each replica. You can adjust that to fit your needs, we are using cabinet as the selection criteria so that we can lose an entire cabinet of storage and still function. In order to store multipl

Re: [ceph-users] Multiple OSD's in a Each node with replica 2

2015-03-06 Thread Alexandre DERUMIER
>>Is it possible all replicas of an object to be saved in the same node? No. (until you don't wrongly modify the crushmap manually) >>Is it possible to lose any? with replicat x2, if you loose 2osd on 2differents nodes, with the same object inside, you'll lost the object >>Is there a mechanis