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- Xref: sparky comp.unix.aix:9214 comp.unix.admin:4795 comp.unix.misc:3438
- Path: sparky!uunet!pipex!warwick!str-ccsun!dct.ac.uk!mcramm
- From: mcramm@dct.ac.uk
- Newsgroups: comp.unix.aix,comp.unix.admin,comp.unix.misc
- Subject: Re: Reading Sun 8mm tape on RS6000
- Message-ID: <1992Aug31.133818.270@dct.ac.uk>
- Date: 31 Aug 92 13:38:18 +0100
- References: <1992Aug27.121808.238@dct.ac.uk> <1992Aug28.022854.18481@cactus.org>
- Organization: Dundee Institute of Technology
- Lines: 34
-
- In article <1992Aug28.022854.18481@cactus.org>, craig@cactus.org (Craig T. Anderson) writes:
- > In article <1992Aug27.121808.238@dct.ac.uk> mcramm@dct.ac.uk writes:
- >>I'm trying to read an 8mm (Exabyte) tape written using tar on a Sun4
- >>with (I think) the tape drive set to variable byte per block in hardware.
- >>It was written to /dev/nsrmt0 using SunOs4.1.x tar.
- >>
- >>The problem is that I'm trying to read it on our RS/6000 (Mdl 530) and can't
- >>get anything to read bytes from the tape. I've tried using smit, chdev [...]
- >
- > No matter what the block size the tape was written with you can read it
- > with the following command (works only on 8mm drives):
- > chdev -l rmt0 -a block_size=0
- > dd if=/dev/rmt0 bs=256k | tar -tvf -
- >
- > -Craig
- > --
- > Craig Anderson craig@cactus.org
-
- Thanks to everyone else who sent me suggestions. It turns out that we had a
- faulty tape. The method given above (chdev.....) *does* work, though the dd
- is redundant - simply using tar is quite effective.
-
- Sorry to have wasted bandwidth.
- Angus M. Marshall,
- e-mail: MCRAMM@UK.AC.DCT.CC.VAXB
- MCRAMM@UK.AC.DCT.CLUS //
- amarshal@uk.ac.dund.mcs //
- Phone: (+44 382) 308000 ext. 2265 or (+44 382) 308600 \\ //
- \X/
- ".. and in the grove, by gate and hill, midst merry throng and market
- clatter - stood the Hall of the Mountain Grill, where table strain'd
- 'neath loaded platter "
- (from the legend of Beenzon Toste - Hawkwind)
-
-