Re: Can we map OSDs from different hosts (servers) to a Pool in Ceph

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On 03/03/2014 12:45 PM, Vikrant Verma wrote:
Hi All,

Is it possible to map OSDs from different hosts (servers) to a Pool in
ceph cluster?

In Crush Map we can add a bucket mentioning the host details (hostname
and its weight).

Is it possible to configure a bucket  which contains OSDs from different
hosts?


I think it's possible.

But you can always try it and afterwards run crushtool with tests:

$ crushtool -i mycrushmap --test --rule 0 --num-rep 3 --show-statistics

That will run some tests on your compiled crushmap


if possible please let me know how to configure it.

Regards,
Vikrant



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