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Live migration and SAN [message #3714]

Mon, 12 June 2006 08:52

Thomas Rasch
Messages: 2
Registered: June 2006

Junior Member

Hello,

I have a queston about the live migration feature of openVZ.
As I understand the 'vzmigrate' man page, the VPS is copied with
rsync from one host to the other. In my case, this would be
unnecessary because all the VPS in my setup lie on a SAN, which is
shared across all hosts. Is it possible to just copy the state of the
VPS, not the whole directory tree?

Regards,
Thomas Rasch

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Re: Live migration and SAN [message #3735 is a reply to message #3714]

Tue, 13 June 2006 07:03

dev
Messages: 1693
Registered: September 2005
Location: Moscow

Senior Member

If a single VPS is put on a separate partition (as it is done by most
virtualization solutions), then you can just replace rsync in vzmigrate
with mount/umount operations.
If you have more than one VPS inside the disk partition, then you will
be able to migrate all of them simultenously only.

Thanks,
Kirill

> I have a queston about the live migration feature of openVZ.
> As I understand the 'vzmigrate' man page, the VPS is copied with rsync
> from one host to the other. In my case, this would be unnecessary
> because all the VPS in my setup lie on a SAN, which is shared across
> all hosts. Is it possible to just copy the state of the VPS, not the
> whole directory tree?
>
> Regards,
> Thomas Rasch
>
>
>
> ------------------------------------------------------------ ------------
>

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