On Wed, Apr 25, 2012 at 01:47:23PM +0200, Lars Täuber spake thusly:
Tracy Reed tr...@ultraviolet.org schrieb:
Reasons why I am currently migrating away from AoE to iSCSI (*sigh*):
1. Disk alignment between Xen VMs and the target.
What do you mean by that?
I mean that when I configure a
Den 26/04/2012 kl. 13.02 skrev Tracy Reed:
1. Disk alignment between Xen VMs and the target.
What do you mean by that?
I mean that when I configure a Xen VM to use an AoE block device I always had
mis-aligned writes. The Xen dom0 has the block device in /dev/etherd and I put
the block
Very interesting answer, thank you.
Partition alignment, and IO performance in general, is something I'm
trying to get
better grips on.
FWIW, we're on AoE 47 (stock Debian kernel), with AoE clients using
two AoE devices
as a backing device for a RAID1 device.
It works well enough, but performance
