Thank all of you for the quick responses. I'll start testing virsh save / copy / virsh restore in my test environment. =D
On Tue, Apr 12, 2011 at 2:09 PM, Christian Grassi <[email protected] > wrote: > This is what I was thinking, probably for a webserver suspend is fine > but for a database machine ora Mailserver a save is the better choice. > > Thanks guys > > On Tue, 2011-04-12 at 10:37 -0600, Eric Blake wrote: > > On 04/12/2011 10:19 AM, Christian Grassi wrote: > > > Actually you create a doubt in my mind... > > > If you have a VM with lots of memory, if you just suspend the machine, > > > and back it up without saving the ram, in teory, as no fsync succeded > > > you could lose a lot of stuff which is in the filesystem cache and not > > > synced. > > > Am I wrong ? > > > > "crash-consistent" can indeed lose data, and the amount lost increases > > when there is more memory to cache more in-flight operations; which is > > why 'virsh save'/save/'virsh restore' (full memory and disk state) is > > safer than 'virsh suspend'/save/'virsh resume' (crash-consistent disk > > space, but no memory to go along with it). > > > > > _______________________________________________ > virt-tools-list mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/virt-tools-list >
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