Subject: Re: AIC7XXX driver - No Tape support for writing
To: Gerald C. Simmons <firstname.lastname@example.org>
From: John F. Woods <email@example.com>
Date: 11/08/1997 11:01:17
> Problem no. 1 Re-Addressed - Can't use "z" with Tapes?
> Nov 8 07:14:53 dakkon /netbsd: st0: bad request, must be multiple of 512
That is your tape drive talking there; it insists on fixed block sizes.
(Most QIC tapes are like that, though the QIC-3080 and QIC-3095/TR4 tape
formats actually can cope with variable length records.)
Read the tar manual page, and look for the "--block-compress" option.