Re: [ceph-users] [solved] Changing CRUSH rule on a running cluster

2013-03-08 Thread Olivier Bonvalet
Hi, yes, the «step chooseleaf firstn 0 type room» is correct. My problem was that «crushtool --test» was reporting «bad mapping» PG, and some tests on an *empty* pool gave me stucked PG in «active+remapped». After some tests and reading, I saw that : « For large clusters, some small percentages o

Re: [ceph-users] [solved] Changing CRUSH rule on a running cluster

2013-03-08 Thread Marco Aroldi
Hi Oliver, can you post here on the mailing list the steps taken? >From the IRC logs you said "if I use "choose osd", it works -- but "chooseleaf ... host" doesn't work" So, to have data balanced between 2 rooms, is the rule "step chooseleaf firstn 0 type room" correct? Thanks -- Marco 20

Re: [ceph-users] [solved] Changing CRUSH rule on a running cluster

2013-03-07 Thread Olivier Bonvalet
Le mercredi 06 mars 2013 à 09:39 +0100, Olivier Bonvalet a écrit : > > Le lundi 04 mars 2013 à 09:02 -0800, Gregory Farnum a écrit : > > On Mon, Mar 4, 2013 at 12:19 AM, Olivier Bonvalet > > wrote: > > > Hello, > > > > > > I have a running cluster, which use the (previous) default CRUSH rule, >