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Re: [Xen-users] iscsi vs nfs for xen VMs

To: François Delpierre <xensource@xxxxxxxxxx>
Subject: Re: [Xen-users] iscsi vs nfs for xen VMs
From: Ciro Iriarte <cyruspy@xxxxxxxxx>
Date: Fri, 7 Aug 2009 11:07:31 -0400
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2009/8/7 François Delpierre <xensource@xxxxxxxxxx>:
> Hi,
> Quite funny. We are using Xen over iSCSI for years, and we are turning to
> Netapp NAS to migrate to NFS for the following reasons :
> - Easier setup, no matter how many xen hosts you have.
> - Avoid dealing with Cluster Filesystem. (We use OCFS2 quite successfully
> anyway.)
> - Some 3 years ago, we were using nbd + drbd + clvm2 + fenced + ... to have
> direct lvm in your VM works, but it's too complicated and too complex to
> maintain, especially if you have an issue or more than 2 dom0.
> - According to the bench I received, there is no difference in performances
> between NFS and iSCSI. There are some differences in some cases due to the
> different levels of cache.
> Regards,
> François.

Hi, was this benchmark specific to Xen?, is it public?


Ciro Iriarte

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