tar and Exabyte under Ultrix
Brian Wolfe
brian at ronin.cc.umich.edu
Wed Mar 29 11:04:11 AEST 1989
In article <416 at seila.UUCP> don at seila.UUCP (Don Kossman) writes:
>we have an Exabyte 8mm cartridge drive, with the Q-bus
>controller distributed by Contemporary Cybernetics, installed
>in a MicroVAX-II running Ultrix 3.0. We just had the
>drive upgraded to the latest ROM level.
>
>we use it for dumps, which work just fine, and have used
>it with tar as well, but only with the "c" option (ie create
>a new archive). when i use the tar "r" option (ie append to
>the end of the archive), however, i get an "error 0,
>writing to archive 1". the exact same operation works just
>fine with my TK50 and TU81-plus...
>
>has anybody seen this or something similar? IS THERE A WORKAROUND?
>(We don't have Ultrix source)
Well I've experienced a few bits of weirdness with a TTi CTS-8 (I think the
drive mechanism is actually made by Exabyte too) and tar. You might try
using mt to position to the end of tape and then try a tar c (I haven't
actually tried this) using /dev/nrmt# to keep appending archives. Its
nasty, but it may be worth trying.
I frequently get archive blocksize=0 errors on my 8mm when I try to read
from it, the mt fsf sometimes does the trick.
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Brian Wolfe Internet: BAW at um.cc.umich.edu
Systems Analyst UUCP: {ucbvax,uunet}!umix!hfhrv!brian
Henry Ford Hospital
Detroit MI 48202
(313)-876-7461
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