[pve-devel] KVM Live Backup performance

Eric Blevins eric at netwalk.com
Fri Nov 22 18:46:19 CET 2013


>> 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.
> OK.
>
> But your test dose not issue a single write?
>
Right, I mentioned that I had not tested writes yet.

Live backup had such a significant impact on sequential read inside the 
VM it seemed appropriate to post those results so others can also 
investigate this.






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