On 13.09.2012 at 09:22 +0200, Kirill Korotaev <[email protected]> wrote:
No, AFAIR we should use TRIM on ext4 and it simply reports unused space.
Balloon is used for "resize" via allocating some space and hiding it
from user, but for compacting it's a bit bad since can cause ENOSPC
while it's really not...
So this whole ballooning is only a work around as trim/ discard support
for ext4 is only available in kernel >= 2.6.33? Once openvz is rebased
to a newer kernel (3.2.x?) it can/ will be dropped? :)
Corin
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