Just as an update:
-recall that our current testing has removed any Netbackup or robotics from the picture. It's just a Netapp, a SCSI card, and a DLT drive. :)
-I'm indeed certain that we're talking about 100% differential SCSI.
-I thought I found the problem when I realized that the DLT drive had a SCSI ID of 1. So I set it to 0, rebooted the filer, power cycled the DLT, and saw no difference :(
-I have heard from lots of people who aren't having any problems connecting an F760 to a DLT 7k in an STK 9740, so I know it's not some sort of inherent STK-NetApp incompatibility.
But I'm reduced, at this point, to finding any possible difference between the SUN drive (that worked) and the STK drive (that doesn't work) - jumpers, firmware, etc.
Thanks for the assistance so far, folks.
rob
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Try changing the termination.
Bruce
rob@colltech.com (Rob Worman) writes: [...]
-recall that our current testing has removed any Netbackup or robotics from the picture. It's just a Netapp, a SCSI card, and a DLT drive. :)
Can't NetApp give you information to identify the error involved rather more specifically than the "Tape write failed" that you reported?
If I had to make a stab at this without such assistance, I would combine use of the "mt -f ... status" command on the filer with experiments reading and writing the tape through the rmt(8) interface, using rsh manually. That would assume some familiarity with the rmt protocol.
Chris Thompson University of Cambridge Computing Service, Email: cet1@ucs.cam.ac.uk New Museums Site, Cambridge CB2 3QG, Phone: +44 1223 334715 United Kingdom.
We had an issue with a DLT drive (in a Jukebox) not being recognized by the NetApp. It turned out that the entire time, the problem was that we hadn't put the cover back onto the jukebox behind the drive. On Sun StoreEdge drives, the back cover has to be in place in order for the drive to be initialized. This was hard to track down because it had been assigned a SCSI ID.
Jen Hamilton
On Wed, 28 Jun 2000, Rob Worman wrote:
Just as an update:
-recall that our current testing has removed any Netbackup or robotics from the picture. It's just a Netapp, a SCSI card, and a DLT drive. :)
-I'm indeed certain that we're talking about 100% differential SCSI.
-I thought I found the problem when I realized that the DLT drive had a SCSI ID of 1. So I set it to 0, rebooted the filer, power cycled the DLT, and saw no difference :(
-I have heard from lots of people who aren't having any problems connecting an F760 to a DLT 7k in an STK 9740, so I know it's not some sort of inherent STK-NetApp incompatibility.
But I'm reduced, at this point, to finding any possible difference between the SUN drive (that worked) and the STK drive (that doesn't work) - jumpers, firmware, etc.
Thanks for the assistance so far, folks.
rob
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Bruce Sterling Woodcock -
Chris Thompson -
Jen Hamilton -
Rob Worman