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

[Agustin Lopez <Agustin.Lopez@xxxxx>]

Hi!

We are in the opposite road.
We used NFS but when the IO load was  increased the performance was down
and we must to change to iSCSI. This system is working Ok from several 
months.
(We tested NFS with phyle and tap)

Regards,
Agustin




Ciro Iriarte escribiÃ:
> 2009/8/7 FranÃois 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,
> >
> > FranÃois.
> >     
> Hi, was this benchmark specific to Xen?, is it public?
>
> Regards,
>
>   

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