2012/11/17 Sage Weil <sage@xxxxxxxxxxx>:
> On Fri, 16 Nov 2012, Drunkard Zhang wrote:
>> 2012/11/16 Josh Durgin <josh.durgin@xxxxxxxxxxx>:
>> > On 11/15/2012 11:21 PM, Drunkard Zhang wrote:
>> >>
>> >> I installed mon x1, mds x1 and osd x11 in one host, then add some osd
>> >> from other hosts, But they are not in osd tree, also not usable, how
>> >> can I fix this?
>> >>
>> >> The crush command I used:
>> >> ceph osd crush set 11 osd.11 3 pool=data datacenter=dh-1L, room=room1,
>> >> row=02, rack=05, host=squid87-log13
>> >
>> >
>> > Remove the commas in that command and it'll work. I fixed the docs for
>> > this.
>> >
>> > Josh
>>
>> Got no luck. osd.11.log said nothing useful. Do I have to edit
>> crushmap manually? If so, how should I define host's 'id' value, I
>> cannot find docs from ceph.com/docs since yesterday, where's that
>> gone?
>>
>> squid87-log13 ~ # ceph osd crush set 11 osd.11 3 pool=data
>> datacenter=dh-1L room=room1 row=02 rack=05 host=squid87-log13
>
> You're specifying 'pool=data', but:
>
>> updated item id 11 name 'osd.11' weight 3 at location
>> {datacenter=dh-1L,host=squid87-log13,pool=data,rack=05,room=room1,row=02}
>> to crush map
>> squid87-log13 ~ # ceph osd tree
>> dumped osdmap tree epoch 467
>> # id weight type name up/down reweight
>> -1 36 pool default
>> -3 36 rack unknownrack
>> -2 36 host log3
>
> the existing hierarchy has pool=default. Change it to default above and
> you'll be okay. You may want to restructure the existing hosts as well so
> they 'live' in the tree structure.
>
Still no luck. I'm using 0.51, not update yet. Set host=log3 make
osd.{11..14} usable, so I'm thinking I have to create the
host=squid87-log13 first, how could I create the host, modify
crushmap?
log3 ~ # for i in {11..14}; do ceph osd crush set $i osd.$i 3
pool=default datacenter=dh-1L room=room1 row=02 rack=rack0205
host=squid87-log13; done
updated item id 11 name 'osd.11' weight 3 at location
{datacenter=dh-1L,host=squid87-log13,pool=default,rack=rack0205,room=room1,row=02}
to crush map
updated item id 12 name 'osd.12' weight 3 at location
{datacenter=dh-1L,host=squid87-log13,pool=default,rack=rack0205,room=room1,row=02}
to crush map
updated item id 13 name 'osd.13' weight 3 at location
{datacenter=dh-1L,host=squid87-log13,pool=default,rack=rack0205,room=room1,row=02}
to crush map
updated item id 14 name 'osd.14' weight 3 at location
{datacenter=dh-1L,host=squid87-log13,pool=default,rack=rack0205,room=room1,row=02}
to crush map
log3 ~ # ceph osd tree
dumped osdmap tree epoch 559
# id weight type name up/down reweight
-1 33 pool default
-3 33 rack rack0205
-2 33 host log3
0 3 osd.0 up 3
1 3 osd.1 up 3
2 3 osd.2 up 3
3 3 osd.3 up 3
4 3 osd.4 up 3
5 3 osd.5 up 3
6 3 osd.6 up 3
7 3 osd.7 up 3
8 3 osd.8 up 3
9 3 osd.9 up 3
10 3 osd.10 up 3
11 0 osd.11 up 3
12 0 osd.12 up 3
13 0 osd.13 up 3
14 0 osd.14 up 3
> (This confusion is exactly why it's switched 'root=default' in the new
> releases.)
>
Yes, weird.
log3 ~ # ceph osd dump | grep ^pool
pool 0 'data' rep size 2 crush_ruleset 0 object_hash rjenkins pg_num
320 pgp_num 320 last_change 1 owner 0 crash_replay_interval 45
pool 1 'metadata' rep size 3 crush_ruleset 1 object_hash rjenkins
pg_num 320 pgp_num 320 last_change 6 owner 0
pool 2 'rbd' rep size 2 crush_ruleset 2 object_hash rjenkins pg_num
320 pgp_num 320 last_change 1 owner 0
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