health HEALTH_WARN too few pgs per osd (16 < min 20)

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On 2014.05.07 20:28, *sm1Ly wrote:
> I got deploy my cluster with this commans.
>
> mkdir "clustername"
>  
> cd "clustername"
>  
> ceph-deploy install mon1 mon2 mon3 mds1 mds2 mds3 osd200
>  
> ceph-deploy  new  mon1 mon2 mon3
>  
> ceph-deploy mon create  mon1 mon2 mon3
>  
> ceph-deploy gatherkeys  mon1 mon2 mon3
>  
> ceph-deploy osd prepare --fs-type ext4 osd200:/osd/osd1
> osd200:/osd/osd2 osd200:/osd/osd3 osd200:/osd/osd4 osd200:/osd/osd5
> osd200:/osd/osd6 osd200:/osd/osd7 osd200:/osd/osd8 osd200:/osd/osd9
> osd200:/osd/osd10 osd200:/osd/osd11 osd200:/osd/osd12
>
> ceph-deploy osd activate osd200:/osd/osd1 osd200:/osd/osd2
> osd200:/osd/osd3 osd200:/osd/osd4 osd200:/osd/osd5 osd200:/osd/osd6
> osd200:/osd/osd7 osd200:/osd/osd8 osd200:/osd/osd9 osd200:/osd/osd10
> osd200:/osd/osd11 osd200:/osd/osd12
>
>  
> ceph-deploy admin mon1 mon2 mon3 mds1 mds2 mds3 osd200 salt1
>  
> ceph-deploy mds create mds1 mds2 mds3
>
> but in the end...:
>  
> sudo ceph -s
>
> [sm1ly at salt1 ceph]$ sudo ceph -s
>     cluster 0b2c9c20-985a-4a39-af8e-ef2325234744
>      health HEALTH_WARN 19 pgs degraded; 192 pgs stuck unclean;
> recovery 21/42 objects degraded (50.000%); too few pgs per osd (16 <
> min 20)
>      monmap e1: 3 mons at
> {mon1=10.60.0.110:6789/0,mon2=10.60.0.111:6789/0,mon3=10.60.0.112:6789/0
> <http://10.60.0.110:6789/0,mon2=10.60.0.111:6789/0,mon3=10.60.0.112:6789/0>},
> election epoch 6, quorum 0,1,2 mon1,mon2,mon3
>      mdsmap e6: 1/1/1 up {0=mds1=up:active}, 2 up:standby
>      osdmap e61: 12 osds: 12 up, 12 in
>       pgmap v103: 192 pgs, 3 pools, 9470 bytes data, 21 objects
>             63751 MB used, 3069 GB / 3299 GB avail
>             21/42 objects degraded (50.000%)
>                  159 active
>                   14 active+remapped
>                   19 active+degraded
>
>
> mon[123] and mds[123] are vms. osd200 - hardware server, cause on vms
> it shows bad perfomance?
>
> some searching talks me that the problem that I have only one osd
> node. can I ignore it for tests?
"19 pgs degraded; 192 pgs stuck unclean; recovery 21/42 objects degraded
(50.000%)" you can ignore it, or edit crush map, so failure domain would
be osd, not host

> another search talks me about pg groups, but I cant find how to get pgid.
"too few pgs per osd (16 < min 20)" - increase pg_num and pgp_num
>
>
> -- 
> yours respectfully, Alexander Vasin.
>
> 8 926 1437200
> icq: 9906064
>
>
> _______________________________________________
> ceph-users mailing list
> ceph-users at lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

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