[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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