Ability to suspend virtual server during backup instead of stopping it

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Is there a way to improve the backup system? As i saw it stops a VM to make the 
backup, can't it just suspend the VM?

I hope this isn't a stupid question...

Original issue reported on code.google.com by alecksie...@gmail.com on 28 Sep 2010 at 10:55

[GoogleCodeExporter]

AFAIK it's possible to implement backup system without downtime at all. 
Something similar described at OpenVZ wiki (topic about live migration of VPS).

Original comment by sibprogrammer on 28 Sep 2010 at 3:01

• Changed title: Backup without downtime
• Added labels: Milestone-Release2.0

[GoogleCodeExporter]

Original comment by sibprogrammer on 28 Sep 2010 at 3:01

[GoogleCodeExporter]

I actually don't know what function owp uses to backup a container, but if it's 
vzdump, you could append --suspend to the command line and the container just 
frezees for a few seconds.

Original comment by alecksie...@gmail.com on 2 Oct 2010 at 9:27

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I don't use vzdump internally, but guess that it uses vzctl chkpnt VEID 
--suspend. I can introduce the same option at backup creation form. But 
suspend/resume will be faster only on small containers, then stop/start 
procedure is longer then archiving of VE content. In other case these two 
options will be very similar. Real benefit of suspend/resume is that machine 
state will be exact the same as before backup.

Original comment by sibprogrammer on 2 Oct 2010 at 4:32

[GoogleCodeExporter]

Original comment by sibprogrammer on 4 Oct 2010 at 2:22

• Changed title: Ability to suspend virtual server during backup instead of stopping it
• Added labels: Milestone-Release1.6
• Removed labels: Milestone-Release2.0

[GoogleCodeExporter]

This issue was closed by revision r725.

Original comment by sibprogrammer on 4 Oct 2010 at 2:36

• Changed state: Fixed