Hi,
On 01/15/2013 11:17 AM, Gandalf Corvotempesta wrote:
Hi all,
is ceph able to distribute datas across multiple racks like MooseFS
does with Rack Awareness features?
For example, let's imagine a ceph cluster made with multiple OSDs
distributed in multiple server on multiple racks.
Is possible to tell ceph to distribute replicas across multiple racks
avoiding to have 3 copies of the same chunk on a single rack?
For example:
rack1.server1.osd1
rack2.server5.osd9
rack3.server9.osd11
Yes, no problem at all! That's where the crushmap is for. This way you
can tell Ceph exactly how to distribute your data.
You might want to take a look at these docs:
http://ceph.com/docs/master/rados/operations/crush-map/
Wido
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