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Re: Re: lvm and openvz [message #45689 is a reply to message #45664] Thu, 29 March 2012 09:04 Go to previous messageGo to previous message
kir is currently offline  kir
Messages: 1645
Registered: August 2005
Location: Moscow, Russia
Senior Member
On 03/28/2012 11:49 AM, David Brown wrote:
>
> I /really/ wish the openvz developers would move beyond kernel 2.6.32 -
> kernal 2.6.33 introduced snapshot merging to LVM which would play
> wonderfully with this setup.

I'm not sure why people think that RHEL6 kernel is pure 2.6.32. It is
definitely not!

For snapshot merging, I am not an expert here but googling for 'rhel6
lvm snapshot merging'
gave me this:

http://www.linuxtopia.org/online_books/rhel6/rhel_6_lvm_admi n/rhel_6_lvm_snapshot_merge.html

and this:

https://access.redhat.com/knowledge/solutions/58510

Both articles suggest RHEL6 kernel supports LVM snapshot merging, and so
should
OpenVZ RHEL6-based kernel.

PS If you are using non-rhel6 openvz kernel, it's definitely time to
switch, and lots of reasons
to do that besides LVM snapshot merging. Notable things are vswap,
ploop, stability...

Kir.

Kir Kolyshkin
http://static.openvz.org/userbars/openvz-developer.png

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