Re: Added OSD's, weighting

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You might try temporarily increasing the backfill allowance params so that the stuff can move around more quickly. Given the cluster is idle it's definitely hitting those limits. ;)
-Greg

On Saturday, January 3, 2015, Lindsay Mathieson <lindsay.mathieson@xxxxxxxxx> wrote:
I just added 4 OSD's to my 2 OSD "cluster" (2 Nodes, now have 3 OSD's per node).

Given its the weekend and not in use, I've set them all to weight 1, but looks like it going to take a while to rebalance ... :)

Is having them all at weight 1 the fastest way to get back to health, or is it causing contention?

Current health:

ceph -s
    cluster f67ef302-5c31-425d-b0fe-cdc0738f7a62
     health HEALTH_WARN 227 pgs backfill; 2 pgs backfilling; 97 pgs degraded; 29 pgs recovering; 68 pgs recovery_wait; 97 pgs stuck degraded; 326 pgs stuck unclean; recovery 30464/943028 objects degraded (3.230%); 727189/943028 objects misplaced (77.112%); mds cluster is degraded; mds 1 is laggy
     monmap e9: 3 mons at {0=10.10.10.240:6789/0,1=10.10.10.241:6789/0,2=10.10.10.242:6789/0}, election epoch 770, quorum 0,1,2 0,1,2
     mdsmap e212: 1/1/1 up {0=1=up:replay(laggy or crashed)}
     osdmap e1474: 6 osds: 6 up, 6 in
      pgmap v828583: 512 pgs, 4 pools, 1073 GB data, 282 kobjects
            2072 GB used, 7237 GB / 9310 GB avail
            30464/943028 objects degraded (3.230%); 727189/943028 objects misplaced (77.112%)
                 186 active+clean
                 227 active+remapped+wait_backfill
                  68 active+recovery_wait+degraded
                   2 active+remapped+backfilling
                  29 active+recovering+degraded
recovery io 24639 kB/s, 6 objects/s


thanks,

--
Lindsay
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