[sheepdog-users] Sheepdog disk usage

[Teun Kloosterman]

Hi,

I'm afraid the discard option did not help with my issue.

Is there any problem with the rollback command?
I use it extensively for resetting these test machines to vanilla state.

Regards,
  Teun

---
root at host:~# dog node info
Id    Size    Used    Avail    Use%
 0    94 GB    88 GB    6.3 GB     93%
 1    99 GB    99 GB    0.0 MB    100%
 2    94 GB    86 GB    7.6 GB     91%
Total    286 GB    272 GB    14 GB     95%

Total virtual image size    40 GB

root at host:~# dog vdi list
  Name        Id    Size    Used  Shared    Creation time   VDI id  Copies
Tag
s centos       1   20 GB  2.2 GB  0.0 MB 2017-02-02 11:41   8d7d49
2
s pxe          1   20 GB  3.5 GB  0.0 MB 2017-02-02 11:41   917450
2
s debian       2   20 GB  920 MB  1.4 GB 2017-03-15 11:23   b1f0b6
2
  debian       0   20 GB  0.0 MB  2.2 GB 2017-03-22 10:42   b1f0ca
2
  arch         0   20 GB  1.9 GB  0.0 MB 2017-02-08 10:40   b23369
2

root at host:~# dog vdi rollback -s 2 debian
This operation dicards any changes made since the previous
snapshot was taken.  Continue? [yes/no]: yes
Failed to create VDI debian: Failed to write to requested VDI

On 31 January 2017 at 17:18, Vasiliy Tolstov <v.tolstov at selfip.ru> wrote:

> You must enable discard inside VM, enable discard in qemu, and don't use
> fully preallocated images
>
> 31 Янв 2017 г. 18:41 пользователь "Teun Kloosterman" <
> teunkloosterman at gmail.com> написал:
>
> Hi all,
>
> I've installed a sheepdog cluster for testing purposes on some desktop
> PCs. These have 120GB SSDs, which is not big, I know, but should suffice.
> They all run stock Debian Jessie with stable sheepdog 0.8.3-2 installed.
>
> Now I'm running into the issue that sheepdog consumes all disk space on
> these machines, all the way down to zero, and I cannot help it. These
> machines use less than 5GB for themselves and more than 270GB on sheepdog
> data. The images should consume (1.5 + 2.3) * 2 = 7.5GB or a maximum of 20
> * 3 * 2 = 120 G. All data is located in the /mnt/sheep/0 data folder and
> the .stale folder is empty.
>
> Can anyone explain to me what this data is and how I can manage it?
>
> root at host03:/# dog node info
> Id    Size    Used    Avail    Use%
>  0    89 GB    89 GB    0.0 MB    100%
>  1    97 GB    91 GB    5.5 GB     94%
>  2    97 GB    92 GB    4.6 GB     95%
> Total    282 GB    272 GB    10 GB     96%
>
> Total virtual image size    20 GB
>
> root at host03:/# dog vdi list
>   Name        Id    Size    Used  Shared    Creation time   VDI id
> Copies  Tag
> s centos       1   20 GB  1.5 GB  0.0 MB 2016-09-14 13:12   8d7d6a
> 2
>   pxe          0   20 GB  0.0 MB  0.0 MB 2016-10-24 17:18   917450
> 2
> s debian       1   20 GB  2.3 GB  0.0 MB 2016-09-14 13:12   b1f0d2
> 2
>
> Kind regards,
>   Teun Kloosterman
>
> --
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>
>
>
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