Re: [Xen-users] xen ov guest nfs

["Denis J. Cirulis" <denis@xxxxxxxxxxxxx>]

My guests aren't very I/O intensive, mail/web/dns/dhcp/ldap servers.
For a NAS I have two options, yes opensolaris or freenas appliance.

On Sun, Mar 01, 2009 at 02:38:46AM +0700, Fajar A. Nugraha wrote:
> > Denis J. Cirulis wrote:
> >>     I'm running opensuse 11.1 dom0 + many 11.1 domU. For now PV guests are
> >>     located on local drive with LVM. I'm in need to connect more dom0
> >>     machines to farm and for sure I need to move guests to the shared
> >>     storage. My choise of storage would be NFSv3/4
> 
> > this is only practicable if you have very (very!) fast NFS servers (think
> > NetApp middle-high models).  far more efficient is to use block sharing
> > protocols (iSCSI, AoE, gnbd, etc).
> 
> That, or your guests uses disk I/O lightly :)
> 
> You didn't mention what your domU uses are. If it's for I/O intensive
> database, remote storage (NFS or whatever) is probably a no-no. You
> might even want to stick with local storage due to its performance.
> However, if you use it for light-wight web servers, or DNS/DHCP
> servers, then NFS is probably fine.
> 
> PS: since you're looking for a NAS anyway, I suggest you try looking
> at Solaris 10 or opensolaris, which has zfs volumes (exportable via
> iscsi). This should make your job a lot easier as it supports snapshot
> and clones from storage server, compression, and checksum for data
> integrity.
> 
> Regards,
> 
> Fajar

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