From: Xing Lin <xinglin@cs.utah.edu>
To: Gandalf Corvotempesta <gandalf.corvotempesta@gmail.com>
Cc: ceph-devel@vger.kernel.org
Subject: Re: Test infrastructure: 2 or more servers?
Date: Tue, 15 Jan 2013 15:59:33 -0700 [thread overview]
Message-ID: <50F5DF55.1000706@cs.utah.edu> (raw)
In-Reply-To: <CAJH6TXjAv4mVBkcYbWg0u_CPmfkf8UEwXKTkrvST32B6u+Jg2A@mail.gmail.com>
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?
prev parent reply other threads:[~2013-01-15 22:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-15 22:00 Test infrastructure: 2 or more servers? Gandalf Corvotempesta
2013-01-15 22:03 ` Xing Lin
2013-01-15 22:26 ` Gandalf Corvotempesta
2013-01-15 22:30 ` Xing Lin
2013-01-15 22:59 ` Xing Lin [this message]
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