Re: Shrinking active MDS cluster

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On Thu, Nov 28, 2013 at 5:52 PM, Walter Huf <hufman@xxxxxxxxx> wrote:
> A long time ago I got my MDS cluster into a state where I have two active
> MDS nodes with a third for failover. This setup is not perfectly stable, so
> I want to drop down to one active MDS node with two nodes for failover. Is
> there any documentation for how to do this?
> I tried the command "ceph mds set_max_mds 1" but the status still shows two
> active nodes.

"ceph mds stop 1" should do the trick, since you already set the max
mds count to 1. That'll tell mds.1 to send all its metadata over to
mds.0 and shut off.
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com
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