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checkpoint optimizations? [message #11457]

Sat, 24 March 2007 07:16

entropicalStorm
Messages: 1
Registered: March 2007

Junior Member

i'm a noob trying to find out what all the checkpoint (both checkpoint to file and migration) optimizations there are for openVZ, and how those are enabled. For instance, can openVZ do precopy or COW checkpoints? Seems that the --online option is available for migration, but does that work for checkpoints to file (to decrease downtime)?

regards,
-es

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Re: checkpoint optimizations? [message #11480 is a reply to message #11457]

Sun, 25 March 2007 07:16

dev
Messages: 1693
Registered: September 2005
Location: Moscow

Senior Member

By checkpoint/restore we mean procedure of saving/restoring VE processes state. If you need to make a disk state checkpoint/backup then you can use LVM snapshot feature.

Also check vzdump tool used for VE backup (it can use LVM if needed):
http://wiki.openvz.org/Backup_of_a_running_VE_with_vzdump

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

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