Date: Mon, 21 Jul 1997 07:08:02 -0700 From: Keith Walker <kew@timesink.spk.wa.us> To: Terry Lambert <terry@lambert.org> Cc: freebsd-current@FreeBSD.ORG Subject: Re: Insertion of NUL's (was: Re: -current :) Message-ID: <199707211408.HAA16933@phobos.walker.dom> In-Reply-To: Your message of "Sun, 20 Jul 1997 17:10:42 PDT." <199707210010.RAA10173@phaeton.artisoft.com>
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> [ ... NUL insertion ... ] > > > Oh good grief, I retired my only QIC-02 tape drive because I thought it was screwed up and inserting NUL's. Tapes made with tar (and I think dump, but I can't remember for sure) would have blocks of ^@'s inserted every once in a while, certainly enough to render a tape backup useless. > > > > Could this be related to the above problem? Or is my tape drive (circa 1987) actually broke? (Being's how the tape drive is so old, I don't have any DOS utilities to check the thing :-) > > I think the tape is probably toast. It's unlikely to interact this > way, since it doesn't deal with the idea of partial pages. I believe > the problem is with backing store for the FS, not devices (I could > be wrong; when did it start behaving badly? Is it consistent? If > so, try running it under an older -- 2.2 or earlier -- kernel to see). > It started all of this under 2.2. I'm sure that the tape drive is probably screwed up; sure enough that I'm not gonna drag it out and hook it up. Its just that the symptoms seemed so similar, that just for a moment there I had hope that it might not be the drive :-/ The beast only held about 60 Meg anyway. Kinda impractical in these days of cheap 4GB drives. (Of course, that was an awesome amount back in 1987 :-)
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