[pve-devel] [PATCH] qemu-server: add support for unsecure migration (setting in datacenter.cfg)

[Stefan Priebe - Profihost AG]

Hi Dietmar,

Am 07.01.2013 16:23, schrieb Dietmar Maurer:
>> you may have followed the discussion on the openSSH dev list. The current
>> status is:
>> There won't be a solution. 400MB/s is the current maximum speed you can
>> get with specific cipher and umac-64 at openssh.com.
>
> But 400MB would be good enough by far (much better than current 70MB/s).
>
> There is no real advantage transferring RAM at GB/s speed
But total migration time reduces a lot.

 > because VM downtime remains the same?
VM downtime is the same. But if you need to move for example 30 VMs away 
using 150GB memory cause you want to replace HW it is a LOT faster.

> Normally, there is other traffic on the net too, so you never get the theoretical limit anyways.
Yes but at least for all my tests i was able to transfer at around 
1000MB/s. Storage and other things were using around 200MB/s.

Stefan