On Thu, 1 Jan 2015 02:59:05 PM Jiri Kanicky wrote: > I would expect that if I shut down one node, the system will keep > running. But when I tested it, I cannot even execute "ceph status" > command on the running node.
2 osd Nodes, 3 Mon nodes here, works perfectly for me.
How many monitors do you have?
Maybe you need a third monitor only node for quorum?
>
> I set "osd_pool_default_size = 2" (min_size=1) on all pools, so I
> thought that each copy will reside on each node. Which means that if 1
> node goes down the second one will be still operational.
does:
ceph osd pool get {pool name} size
return 2
ceph osd pool get {pool name} min_size
return 1
--
Lindsay
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