<all intervening posts snipped>

Mark continued:

>and I'll continue with a <plug alert>:

> We have a customer that is using DLT in production with Backup+ and has
> balanced his devices across multiple SCSI channels such that the bus
> contention noted in Lee's case is not present. With that in mind, he is
> seeing 20Gb per hour to the single drive. In Lee's original post, he
> states that the drives shared the same channels as the disks. Still a
> very good performance figure considering no balancing. So, with multiple
> drives, it is entirely possible that Lee's 88Gb could be backed up in
> slightly over an hour, completely unattended. Now when you consider
> these performance numbers with Delta Backup, I would say there is a
> significant leap in backup technology.

> Check out http://www.orbitsw.com for our white papers on DLT.

> </plug alert>

Mark:

For the record, the DLTs don't share a channel with any disks - the two
DLTs reside on one SE SCSI channel by themselves.  If we decide to go
production with this, we'll most surely purchase additional drives and
device adapters.

Lee