[pve-devel] KVM Live Backup performance

Dietmar Maurer dietmar at proxmox.com
Mon Nov 25 11:49:13 CET 2013


> Guest was debian wheezy, the OS disk was not used for testing and marked as
> no backup.
> The 2nd disk used for testing backups was 32GB, virtio cache=none I filled that
> disk with data from /dev/urandom before performing any backup tests

You said LVM backup take only 58 secs?

32000MB/58sec = 551MB/s read speed

Is that a single SSD or some kind of HW RAID?



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