Darren Steven (D.Steven@its.amc.edu.au) wrote:

: I have just obtained temporary access to an Archive Viper 150 SCSI tape
: unit. I am having trouble getting it to work efficiently under NetBSD (1.0)
: and AmigaDOS.
: 
: The unit does not support reselection (or diconnect/reconnect???), that is,

The unit supports it. The outdated version of NetBSD you are using does
not support it.

: when the access to the Tape occurs, the SCSI bus is locked out until it
: finishes. When I backup from the SCSI disk to the tape, I get a lot of

This if fixed in NetBSD-1.1, I guess... GVP scsi does use the 33C93,
doesn't it?

: Does any one know how to optimise the i/o characteristics for small buffered
: tapes such as this. Where are the bits I can tweak under NetBSD.

ftp.netbsd.org, ftp.uni-regensburg.de, lots of others.

Regards,
	Ignatios Souvatzis