Date: Wed, 3 Sep 1997 19:53:21 +0200 (MET DST) From: Wilko Bulte <wilko@yedi.iaf.nl> To: handy@sag.space.lockheed.com (Brian N. Handy) Cc: hackers@FreeBSD.ORG Subject: Re: Tape question Message-ID: <199709031753.TAA00824@yedi.iaf.nl> In-Reply-To: <Pine.OSF.3.96.970902141656.16187M-100000@sag.space.lockheed.com> from "Brian N. Handy" at Sep 2, 97 02:19:30 pm
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As Brian N. Handy wrote... > Heya folks, > > I've got a guy here who's got a pile of data on exabyte tapes, and he's > written a C program to read the stuff off the tapes and do [mumble I > don't know] with it. > > What follows is his brief description of the problem. If anyone has any > comments or suggestions I'd like to hear them. I can come up with some > sample code if this isn't sufficient. > > Thanks, > > Brian > > ---------- Forwarded message ---------- > The problem is easily described: > > - The Exabyte tapes to be read have a variable (logical) block size, > it typically is 8192 bytes, but often shorter. The only comment is that it should be at least 1kBytes if I remember correctly. > there certainly was a discrepancy between the number of bytes read, > and the number returned. Also, running the program twice on the > same data created different results. Yikes. So much for deterministic computers ;-) Wilko _ ____________________________________________________________________ | / o / / _ Bulte email: wilko@yedi.iaf.nl http://www.tcja.nl/~wilko |/|/ / / /( (_) Arnhem, The Netherlands - Do, or do not. There is no 'try' ----------------------------------------------------------------------Yoda
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