[sheepdog-users] Sheepdog disk usage

[Vasiliy Tolstov]

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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