[pve-devel] Speed up PVE Backup

[Stefan Priebe - Profihost AG]

Am 16.02.2016 um 09:54 schrieb Andreas Steinel:
> Hi Stefan,
> 
> That's really slow.

Yes

> I use a similar setup, but with ZFS and I backup 6 nodes in parallel to
> the storage and saturate the 1 GBit network connection.

Currently vzdump / qemu is only uses around 100kb/s of the 10Gbit/s
connection.

> I use LZOP on the Proxmox-side as best tradeoff between size and
> online-compression speed. 

In my tests i'm using no compression at all - but the dumping speed is
so slow.

Stefan