Re: DLT tape drive, Ontape and Informix 7.24
Posted in 1998
Topics: Backup & Restore
dpimpo@my-dejanews.com wrote:
> We want to use the Informix ontape utility to do an unattended backup on an
> IBM 7205 Digital Linear Tape (dlt)drive
>
> Informix tech support told us: Only requirement for tape drive to work with
> ontape is that it is an "auto-rewind" device... in other words, the ontape
> utility does not issue the rewind command.
I don't believe this is the case. If you use a no rewind device on Sun and do
two backups one after the other and mt to forward to start of the second backup
then ontape -r rewinds the tape before the restore starts. However, I've never
tried this on anyother OS's.
>
>
> IBM told us: no hardware is going to automatically rewind.
>
> We would like to know... anyone out there ever use ontape with a dlt tape
> drive? If it works, we would like to purchase a tape drive, if not, we do not
> want to pay a restocking fee for returning such an expensive purchase.
I've used DLT (upto 70GB) without any problems using the standard devices
configured by the OS. Only NCR PPRAS didn't support the device correctly, it
would work but only as a standard tape device.
>
>
> Thanks!
>
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