[sheepdog-users] Testing snapshot-object-reclaim

[Liu Yuan]

On Tue, Mar 11, 2014 at 11:51:20PM +0900, Hitoshi Mitake wrote:
> On Tue, Mar 11, 2014 at 7:59 PM, Liu Yuan <namei.unix at gmail.com> wrote:
> > On Tue, Mar 11, 2014 at 10:36:29AM +0100, Valerio Pachera wrote:
> >> 2014-03-10 4:01 GMT+01:00 Liu Yuan <namei.unix at gmail.com>:
> >> > Just want to check when remove all the snapshots include base, is all allocated
> >> > space released? This is the bottom line that at least we can reclaim all the
> >> > space.
> >>
> >> dog vdi list
> >>   Name        Id    Size    Used  Shared    Creation time   VDI id  Copies  Tag
> >>   test         0   10 GB   72 MB  6.2 GB 2014-03-07 11:35   7c2b2a    2:1
> >>
> >> dog node list
> >>   Id   Host:Port         V-Nodes       Zone
> >>    0   192.168.10.4:7000        75   67807424
> >>    1   192.168.10.5:7000        147 84584640
> >>    2   192.168.10.6:7000        162  101361856
> >>
> >> dog node info
> >> Id      Size    Used    Avail   Use%
> >>  0      233 GB  5.9 GB  227 GB    2%
> >>  1      452 GB  5.9 GB  446 GB    1%
> >>  2      500 GB  5.9 GB  494 GB    1%
> >> Total   1.2 TB  18 GB   1.1 TB    1%
> >> Total virtual image size        10 GB
> >>
> >> dog vdi delete test
> >>
> >> dog node info
> >> Id      Size    Used    Avail   Use%
> >>  0      233 GB  2.3 GB  230 GB    0%
> >>  1      452 GB  2.3 GB  450 GB    0%
> >>  2      500 GB  2.3 GB  497 GB    0%
> >> Total   1.2 TB  6.8 GB  1.2 TB    0%
> >> Total virtual image size        0.0 MB
> >
> > Hi Hitoshi,
> >
> >    Seems that this is a fatal problem need to be solved before merge, because
> > from Valerio test, delete all the snapshots and base don't free the space cleanly.
> > any idea?
> 
> I'll work on the problem and post next version of the patch set ASAP.
> 

It would be nice if you can add a test case for this scenario.

Thanks
Yuan