SUMMARY: Problems using dd with a QIC-150

From: Mauricio Fernandez (mauricio@hq.rnp.br)
Date: Fri Sep 03 1993 - 21:10:46 CDT


The original question:

> Hello, I'm using dd with a QIC-150 tape drive. No matters what block
> size I specify the answer is always the same.
>
> In the tty where dd is executed:
>
> dd: write: Invalid argument
>
> In the console
>
> st0: write: not modulo 512 block size.
>
> Default block size was also tried.
>
> I'll appreciatte any comments. I'll summarize. Thanks.

The answer/solution:

I've missed a conv=sync which pads the last block to the full block size.
This isn't done by default.

Thanks to:

Richard J. Niziak rickn@copley.com
mcain@mcs.drexel.edu (Mark Cain)
anderson@neon.mitre.org (Mark S. Anderson)
Casper Dik <casper@fwi.uva.nl>
djh@rational.com
Jim Murff (murff@irt.com)
Russ Poffenberger DOMAIN: poffen@sj.ate.slb.com
E. John Benjamins <johnb@blas.cis.mcmaster.ca>
Steve Harris etnibsd!vsh@uunet.uu.net
Rigert Thomas rigert_thomas@ch.swissbank.com
Syed Zaeem Hosain szh@zcon.com



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