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Re: ploop and trim/ discard support [message #47871 is a reply to message #47824] Mon, 17 September 2012 15:53 Go to previous messageGo to previous message
Corin Langosch is currently offline  Corin Langosch
Messages: 18
Registered: March 2012
Junior Member
On 13.09.2012 at 09:22 +0200, Kirill Korotaev <dev@parallels.com> 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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