Re: [ceph-users] Rebalance after empty bucket addition

2015-04-06 Thread Craig Lewis
Yes, it's expected. The crush map contains the inputs to the CRUSH hashing algorithm. Every change made to the crush map causes the hashing algorithm to behave slightly differently. It is consistent though. If you removed the new bucket, it would go back to the way it was before you made the ch

[ceph-users] Rebalance after empty bucket addition

2015-04-05 Thread Andrey Korolyov
Hello, after reaching certain ceiling of host/PG ratio, moving empty bucket in causes a small rebalance: ceph osd crush add-bucket 10.10.2.13 ceph osd crush move 10.10.2.13 root=default rack=unknownrack I have two pools, one is very large and it is keeping up with proper amount of pg/osd but ano