DLT No such device or address

[Warren griggs]

Hi All,

I had a problem with using a DLT on a HP-PB card so I moved it onto a HSC card (As recommended previously in this forum).

I can see the hardware when I do a ioscan -fnC tape. Shows output
Class I H/W Path Driver S/W State H/W Type Description
======================================================================
tape 3 8/12.3.0 stape CLAIMED DEVICE QUANTUM DLT8000
/dev/rmt/5m /dev/rmt/c1t3d0BEST
/dev/rmt/5mb /dev/rmt/c1t3d0BESTb
/dev/rmt/5mn /dev/rmt/c1t3d0BESTn
/dev/rmt/5mnb /dev/rmt/c1t3d0BESTnb

I am trying to write to /dev/rmt/5m but get an error. e.g. dd if=/dev/rmt/5m of=/tmp/dd.out
/dev/rmt/5m: No such device or address
dd: cannot open /dev/rmt/5m

Any Ideas why I cannot read/write to this?

By the way I am using HPUX 11.00 on a K370 and the DLT is a Quantum 8000.

Thanks for any help,

Colin.

[Stefan Farrelly · Accepted solution]

Your DLT8000 looks like its setup and connected fine.

Your example you said you tried to write to it but your dd command was trying to read from it ? (dd if=/dev/rmt/5m).

Have you tried writing to it first, as if you use a tape which has been initialized on say a DLT4000 first then your DLT8000 may have trouble reading it. So, try a new tape and writing to it first.

[Carlos Fernandez Riera]

1- When you load tape, it take several seconds until it is ready.

The typical message if you try to read/write is No such device or address

2- If you try to write an tape is protected the mesages is the same.