Re: Bobtail & Precise

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Seeing this go by again it's simple enough to provide a quick
answer/hint — by setting the tunables it's of course getting a better
distribution of data, but the reason they're optional to begin with is
that older clients won't support them. In this case, the kernel client
being run; so it returns an error.
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com


On Thu, Apr 18, 2013 at 12:51 PM, John Wilkins <john.wilkins@xxxxxxxxxxx> wrote:
> Bryan,
>
> It seems you got crickets with this question. Did you get any further? I'd
> like to add it to my upcoming CRUSH troubleshooting section.
>
>
> On Wed, Apr 3, 2013 at 9:27 AM, Bryan Stillwell <bstillwell@xxxxxxxxxxxxxxx>
> wrote:
>>
>> I have two test clusters running Bobtail (0.56.4) and Ubuntu Precise
>> (12.04.2).  The problem I'm having is that I'm not able to get either
>> of them into a state where I can both mount the filesystem and have
>> all the PGs in the active+clean state.
>>
>> It seems that on both clusters I can get them into a 100% active+clean
>> state by setting "ceph osd crush tunables bobtail", but when I try to
>> mount the filesystem I get:
>>
>> mount error 5 = Input/output error
>>
>>
>> However, if I set "ceph osd crush tunables legacy" I can mount both
>> filesystems, but then some of the PGs are stuck in the
>> "active+remapped" state:
>>
>> # ceph -s
>>    health HEALTH_WARN 29 pgs stuck unclean; recovery 5/1604152 degraded
>> (0.000%)
>>    monmap e1: 1 mons at {a=172.16.0.50:6789/0}, election epoch 1, quorum 0
>> a
>>    osdmap e10272: 20 osds: 20 up, 20 in
>>     pgmap v1114740: 1920 pgs: 1890 active+clean, 29 active+remapped, 1
>> active+clean+scrubbing; 3086 GB data, 6201 GB used, 3098 GB / 9300 GB
>> avail; 232B/s wr, 0op/s; 5/1604152 degraded (0.000%)
>>    mdsmap e420: 1/1/1 up {0=a=up:active}
>>
>>
>> Is any one else seeing this?
>>
>> Thanks,
>> Bryan
>> _______________________________________________
>> 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
>
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com





[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux