[pve-devel] KVM Live Backup performance

Eric Blevins eric at netwalk.com
Fri Nov 22 18:20:17 CET 2013

>> KVM Live Backup: 120 seconds or more
>> LVM Snapshot backup: 55 seconds
>> With no backup: 45 seconds
> Why does that show a "decrease in IO read performance"?
> I guess the dd inside the VM is much faster with live backup?
No, it took dd 120 seconds to read 8GB of data when using live backup 
and only took 55 seconds when using LVM snapshot backup.

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