[sheepdog-users] Testing snapshot-object-reclaim

Hitoshi Mitake mitake.hitoshi at gmail.com
Tue Mar 11 15:51:20 CET 2014


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.

Thanks,
Hitoshi



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