Re: first installation, ceph never goes to health ok

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Thank you,

That did it.


On Sat, Feb 1, 2014 at 1:15 AM, John Wilkins <john.wilkins@xxxxxxxxxxx> wrote:
> Actually, it is. We took the single host getting started out, because nobody
> would really deploy a distributed system like Ceph for production on single
> host. The problem is that the default crush rule is set to the host level,
> not the osd level.
>
> Note, I think ceph-deploy mon create-initial will do the next two steps for
> you. So those may be redundant.
>
> What you need to do though is after you do ceph-deploy new ceph-a1, is you
> need to add the following to your ceph.conf file:
>
> osd crush chooseleaf type = 0
>
> Then, follow the rest of the procedure.
>
>
> On Fri, Jan 31, 2014 at 2:41 PM, Cristian Falcas <cristi.falcas@xxxxxxxxx>
> wrote:
>>
>> Hi list,
>>
>> I'm trying to play with ceph, but I can't get the machine to reach a
>> clean state.
>>
>> How I did the installation:
>>
>> ceph-deploy new ceph-a1
>> ceph-deploy install ceph-a1
>> ceph-deploy mon create-initial
>> ceph-deploy mon create ceph-a1
>> ceph-deploy gatherkeys ceph-a1
>>
>> ceph-deploy disk zap ceph-a1:vdb ceph-a1:vdc ceph-a1:vdd ceph-a1:vde
>> ceph-deploy osd prepare ceph-a1:vdb ceph-a1:vdc ceph-a1:vdd ceph-a1:vde
>> ceph-deploy osd activate ceph-a1:/dev/vdb ceph-a1:/dev/vdc
>> ceph-a1:/dev/vdd ceph-a1:/dev/vde
>>
>> What the status is:
>> [root@ceph-a1 ~]# ceph health
>> HEALTH_WARN 49 pgs degraded; 192 pgs stuck unclean
>>
>> cceph -w:
>> 2014-01-31 17:39:44.060937 mon.0 [INF] pgmap v25: 192 pgs: 102 active,
>> 41 active+remapped, 49 active+degraded; 0 bytes data, 143 MB used, 243
>> GB / 243 GB avail
>>
>>
>> Even if I add more disks or play with the crush map settings, I can't
>> seem to manage to bring the PGs to a clean state.
>>
>> Is this expected with one host only?
>>
>> Best regards,
>> Cristian Falcas
>> _______________________________________________
>> ceph-users mailing list
>> ceph-users@xxxxxxxxxxxxxx
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
>
>
>
> --
> John Wilkins
> Senior Technical Writer
> Intank
> john.wilkins@xxxxxxxxxxx
> (415) 425-9599
> http://inktank.com
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