On May 1, 2013, at 11:44 PM, Sage Weil <s...@inktank.com> wrote: > I added a blueprint for extending the crush rule language. If there are > interesting or strange placement policies you'd like to do and aren't able > to currently express using CRUSH, please help us out by enumerating them > on that blueprint.
I added an item to prioritise the replica size over the currently configured buckets: give the number of replicas priority over the available buckets, e.g.: if the replication size is N and the rule says put them in different rooms (or racks, ...), but there are only M<N rooms (or racks, ...), create none the less N replicas and distribute them using all of the M rooms (let some rooms (or racks, ...) have more than one replica) Cheers, Arne -- Arne Wiebalck CERN IT
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