From mboxrd@z Thu Jan  1 00:00:00 1970
From: Xing Lin <xinglin@cs.utah.edu>
Subject: Re: Test infrastructure: 2 or more servers?
Date: Tue, 15 Jan 2013 15:59:33 -0700
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To: Gandalf Corvotempesta <gandalf.corvotempesta@gmail.com>
Cc: ceph-devel@vger.kernel.org

It seems to be: Ceph will shuffle data to rebalance in situations such 
as when we change the replica num or when some nodes or disks are down.

Xing

On 01/15/2013 03:26 PM, Gandalf Corvotempesta wrote:
> 2013/1/15 Xing Lin <xinglin@cs.utah.edu>:
>> You can change the number replicas in runtime with the following command:
>>
>> $ ceph osd pool set {poolname} size {num-replicas}
> So it's absolutely safe to start with just 2 server, make all the
> necessary tests and when ready to go in production, increase the
> servers and replicas?