Qnap's introduction of SCSI3 Persistent Reservation is great, now making Qnap one of the
first NAS in entry-level viable for 2008 (R2) failover Clustering.

I just wanted to ask which of the Linux iSCSI implementations you are using?
From what I know SCST (since around mid 2009) and LIO-target (since end of august) seem
to support SCSI-3 PR, ietd does not, concerning SCGT don't know.- Is there anything else?
Before I'd get into production prefer to know what technology is used in Qnap boxes and therefore experiment a little before on a testbox to learn and handle iscsi. (Even though your UI is much easier but I prefer to go once deep into the dirt before using the more easier UI's
