On 05/07/12 15:57, Sage Weil wrote:
On Thu, 5 Jul 2012, Mark Kirkwood wrote:
2/ Also I would like to be able to say make my number of copies 3, but if I
lose datacenter0 (where 2 copies are), don't try to have 3 copies at
datacenter1 (so run degraded in that case). Is that possible?
That is what you get now. Doing the opposite (2 copies in DC1, 1 in DC2,
but if DC2 is down 3 in DC1) is not currently possible with the crush
rules.
Ah, right - excellent and thanks for clarifying! I guess I was
unconsciously (and incorrectly) thinking that the crush rule would be
modified when (say) datacenter0 was not available.
Cheers
Mark
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