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Tape library appearing online and offline intermittedly

Ayman Altounji
Valued Contributor

Tape library appearing online and offline intermittedly

We seem to be having SCSI problems between our tape library and tape controller.

Setup: TL891 / FC Tape Controller

Bus:
Tape Library: 1
DLT0: 2
DLT1: 3

During testing we had the serial connection connected to the Tape controller for troubleshooting. We got the following errors:

'Bridge timed out SCSI request on Bus 0 target 9 lun 0. check cable.'

Sometimes it shows target 1 or 5 or 6 with time out errors.

The build level of the tape controller is c9913m.

When its successfully detects a scsi device (option 1) it shows:

BUS TGT LUN DEVICE
0 1 0 TL800 DEC0409

We have checked the cables and the terminators, but cannot find out why we are experiencing these random scsi timeout errors.

Thanks for any help.

Paul
1 REPLY
Ayman Altounji
Valued Contributor

Re: Tape library appearing online and offline intermittedly

We had similar problems and it was a firmware issue with the library. I had two DEC TL891's that were at version 3.x firmware. I downloaded the latest firmware and upgraded to 5.25. They both show online consistently now. Hope this helps.