In 'rule replicated_ruleset':
..
...
step chooseleaf firstn 0 type *osd*
...
...
2016-06-22 19:38 GMT+08:00 min fang <louisfang2...@gmail.com>:
> Thanks, actually I create a pool with more pgs also meet this problem.
> Following is my crush map, please help point how to change the crush
> ruleset? thanks.
>
> #begin crush map
> tunable choose_local_tries 0
> tunable choose_local_fallback_tries 0
> tunable choose_total_tries 50
> tunable chooseleaf_descend_once 1
> tunable chooseleaf_vary_r 1
> tunable straw_calc_version 1
>
> # devices
> device 0 device0
> device 1 device1
> device 2 osd.2
> device 3 osd.3
> device 4 osd.4
>
> # types
> type 0 osd
> type 1 host
> type 2 chassis
> type 3 rack
> type 4 row
> type 5 pdu
> type 6 pod
> type 7 room
> type 8 datacenter
> type 9 region
> type 10 root
>
> # buckets
> host redpower-ceph-01 {
> id -2 # do not change unnecessarily
> # weight 3.000
> alg straw
> hash 0 # rjenkins1
> item osd.2 weight 1.000
> item osd.3 weight 1.000
> item osd.4 weight 1.000
> }
> root default {
> id -1 # do not change unnecessarily
> # weight 3.000
> alg straw
> hash 0 # rjenkins1
> item redpower-ceph-01 weight 3.000
> }
>
> # rules
> rule replicated_ruleset {
> ruleset 0
> type replicated
> min_size 1
> max_size 10
> step take default
> step chooseleaf firstn 0 type host
> step emit
> }
>
> # end crush map
>
>
> 2016-06-22 18:27 GMT+08:00 Burkhard Linke <
> burkhard.li...@computational.bio.uni-giessen.de>:
>
>> Hi,
>>
>> On 06/22/2016 12:10 PM, min fang wrote:
>>
>> Hi, I created a new ceph cluster, and create a pool, but see "stuck
>> unclean since forever" errors happen(as the following), can help point out
>> the possible reasons for this? thanks.
>>
>> ceph -s
>> cluster 602176c1-4937-45fc-a246-cc16f1066f65
>> health HEALTH_WARN
>> 8 pgs degraded
>> 8 pgs stuck unclean
>> 8 pgs undersized
>> too few PGs per OSD (2 < min 30)
>> monmap e1: 1 mons at {ceph-01=172.0.0.11:6789/0}
>> election epoch 14, quorum 0 ceph-01
>> osdmap e89: 3 osds: 3 up, 3 in
>> flags
>> pgmap v310: 8 pgs, 1 pools, 0 bytes data, 0 objects
>> 60112 MB used, 5527 GB / 5586 GB avail
>> 8 active+undersized+degraded
>>
>>
>> *snipsnap*
>>
>> With three OSDs and a single host you need to change the crush ruleset
>> for the pool, since it tries to distribute the data across 3 different
>> _host_ by default.
>>
>> Regards,
>> Burkhard
>>
>> _______________________________________________
>> ceph-users mailing list
>> ceph-users@lists.ceph.com
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
>>
>
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>
>
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