Re: [Xen-users] iSCSI Volumes and Xen

[John Madden <jmadden@xxxxxxxxxxx>]

> Reading this thread suggests that exporting each volume as a block device
> results in poor performance, correct?  I had wanted to use zvols for the
> nice snapshot features of ZFS (it is useful to take snapshots of a running
> zvol) but not at the cost of a serious performance hit.  I need to use
> pvgrub in my domUs, too.
Keep in mind that snapshots are not backups.  There's no way that 
snapshot would be consistent unless you were also doing something on the 
domU to stop and flush all i/o and clear the scsi caches.
John



--
John Madden
Sr UNIX Systems Engineer
Ivy Tech Community College of Indiana
jmadden@xxxxxxxxxxx

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