RE: [Xen-users] disk backend performance

["Venefax" <venefax@xxxxxxxxx>]

I would like a step by step description of how to install AOE support
between two Xen servers, in my case SUSE SP2. It seems like the ideal
protocol for storage.
Yours
Federico

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Stefan de Konink
Sent: Friday, November 28, 2008 10:23 AM
To: Thomas Halinka
Cc: Guillaume; Xen Users; Stefan de Konink
Subject: Re: [Xen-users] disk backend performance

On Fri, 28 Nov 2008, Thomas Halinka wrote:

> i do not need any benchmarks. i measured that iscsi could saturate a
> GB-Link with about 55-60% - AoE was about 80-85% at less CPU-Usage!

My benchmarks for iSCSI vs NFS performance tests both saturate the links
10GE ->  1GE, while the first has a bit better < 10% performance.

> Why is FC faster than iSCSI? Ah, it s because of the protocol.

Non-sence.

> >  and preferably stability comparisons.
>
> open-iscsi has no stable releases yet. aoetools do have. There are also
> many users complaining about iscsi-kernel-issues....

...there is more than open-iscsi, in targets and initiators. (+ OS'es)


Stefan


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