Problem:SCO 5.04 and Quantum DLT4000 tape drive

Thanks for your help.

slow is around 30 minutes for 150 MB (I think this is very slow)

Thomas

Sorry,

I'm using a DELL Poweredge 4200 Dualprocessor PentiumII(2x300 Mhz)
and 256 MB Ram with Raid5 (MegaraidII). The DLT drive is connected to an
Adaptec 2940UW controller, which is the second Adaptec in this system.
I hope this helps a little bit more.

Thanks

Thomas

In article <34A998C8.4 @jpmorgan.com>,
Thomas Sommer  <sommer_tho @jpmorgan.com> wrote:



I have almost the identical situation except that I just have the
built-in Adaptec controllers.  I believe I configured my tape drive as a
generic SCSI tape drive.  It seems to work pretty well.  I'm using tar
and backing up about 21gb of data in about 184 minutes (about
116Mb/min).  I'm using a block size of 20 with tar.  Much of my data is
highly compressable.

I'm using OSR5.0.4 with rs504c applied (it was quite a challenge getting
that combination of the OS and patches up on the machine).  SCO support
was running me through a number of SCSI drivers trying to get my machine
running (turns out is was the multiprocessor patch in rs504c and a
network driver problem that were giving me problems getting the system
going).  But, the bottom line is that I might have a different SCSI
driver than you do.

You don't indicate exactly what "slow" is.  Hopefully, this info gives
you something to compare against.

Bill