Replace Defective Tape Drive

[Philip Horan]

Hi. The Sony Tape Drive installed on Alpha 1200 (Digital Unix V4.0F (Rev 1229) has failed. How can I replace (remove defective) then install (mount) replacement?

Daily I run command tar /dev/rmt0h so I presume the device is listed in unix as rmt0h.

Would I need to down the server, replace the tape drive, re-boot then run:
scan etd
show edt
dev rm rmt0h

then to add new device
scan etd
show edt
dev /MAKEDEV rmt0h
disklable -wr /dev/rmt0h

Help warmly received as I am unfamiliar with Unix.
Many Thanks,
Phil.

[Rob Leadbeater · Accepted solution]

Hi Phil,

On V4.0F as long as the replacement drive is configured with the same SCSI ID as the original it should pick up the same /dev/rmt number.

So...
1. Shutdown Unix.
2. Replace the drive.
3. At the SRU prompt (P00>>>) do a "show device" to make sure you can see the drive.
4. Boot up to Unix.
5. # scu show edt to make sure you can see the drive at Unix.

Hope this helps,

Regards,

Rob

[Philip Horan]

Many thanks.
Phil.