On Tue, Dec 20, 2016 at 3:18 PM, Marius Vaitiekunas <
[email protected]> wrote:
> Hi Cephers,
>
> Could anybody explain, how rgw works with pools? I don't understand
> how .rgw.control, .rgw.gc,, .rgw.buckets.index pools could be 0 size, but
> also have some objects?
>
> # ceph df detail
> GLOBAL:
> SIZE AVAIL RAW USED %RAW USED OBJECTS
> 507T 190T 316T 62.49 42285k
> POOLS:
> NAME ID CATEGORY QUOTA OBJECTS
> QUOTA BYTES USED %USED MAX AVAIL OBJECTS DIRTY
> READ WRITE RAW USED
> .rgw.control 14 - N/A
> N/A 0 0 13605G 8 3
> 0 0 0
> .rgw.gc 16 - N/A
> N/A 0 0 13605G 512 492
> 365M 449M 0
> .rgw.buckets.index 20 - N/A
> N/A 0 0 13605G 977 977
> 1593M 743M 0
>
>
> If I try to download objects from a .rgw.gc pool with rados -p .rgw.gc get
> ${object} ${object} , all the objects are zero size. So, how gc process
> know what should be deleted?
>
>
> Thanks!
>
>
We found an article, how rgw works with pools:
https://allthenodes.wordpress.com/2016/01/29/how-indexes-work-in-ceph-rados-gateway/
Just in case someone else needs it :)
--
Marius Vaitiekūnas
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