The problem was that the QIC 150 Tape drive likes to write in multiple
of 512 byte blocks. The solution was to use conv=sync in the dd command.
Thanks to all those who replied. Here is a partial list:
My original question:
> Hardware : Sun IPX
> OS : SunOS 4.1.2
> Tape : Sun QIC 150 MB
> Here is what I see:
> admiral# dd if=/usr/local/bin/misc/install_new_rel of=/dev/rst0
> dd: write: Invalid argument <--------------- ?????????
> 0+1 records in
> 0+1 records out
> Can anyone shed some light on this. Apparently the problem is with
> the "of=/dev/rst0" part the command.
> The same command on an IPC will seem to write the tape but I can never
> read the tape. Also, I get the same error message on the IPC.
> Any suggestions would be greatly appreciated.
-- A. Haque
"Like my grandfather, I wish to die peacefully in my sleep, not screaming like the passengers in his car."
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