Hi Gregory,
Our cause we have 6TB data and replica 2 and its around 12TB size
occupied, still i have remaining 4TB even though it says this error.
51 active+undersized+degraded+remapped+backfill_toofull
Regards
Prabu GJ
---- On Mon, 29 Aug 2016 23:44:12 +0530 Gregory Farnum
<gfar...@redhat.com>wrote ----
On Mon, Aug 29, 2016 at 12:53 AM, Christian Balzer <ch...@gol.com> wrote:
> On Mon, 29 Aug 2016 12:51:55 +0530 gjprabu wrote:
>
>> Hi Chrishtian,
>>
>>
>>
>> Sorry for subject and thanks for your reply,
>>
>>
>>
>> &gt; That's incredibly small in terms of OSD numbers, how many
hosts? What replication size?
>>
>> Total host 5.
>>
>> Replicated size : 2
>>
> At this replication size you need to act and replace/add OSDs NOW.
> The next OSD failure will result in data loss.
>
> So your RAW space is about 16TB, leaving you with 8TB of usable space.
>
> Which doesn't mesh with your "df", showing the ceph FS with 11TB used...
When you run df against a CephFS mount, it generally reports the same
data as you get out of RADOS — so if you have replica 2 and 4 TB of
data, it will report as 8TB used (since, after all, you have used
8TB!). There are exceptions in a few cases; you can have it based off
of your quotas for subtree mounts for one.
-Greg
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