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From: Tony Griffiths <tonyg@OntheNet.com.au>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: dump and DAT, what block/density to use?
Date: Mon, 02 Dec 1996 10:45:27 +1000
Organization: On the Net (ISP on the Gold Coast, Australia)
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To: msmith@3-cities.com
Mark Smith wrote:
>
> Greetings,
>
> I'm trying to use dump to backup a couple of file systems to a single
> 2G DAT tape. The problem is that it gets about 300MB into a tape and
> wants a new one. What block size and density options for dump should
> I use to get the full 2G of tape?
>
I use => # dump 0uBf 1000000 /dev/nrst0 /usr
^
| 1 million blocks should be enough but you might
want more depending on block size
For some reason, the 'standard' BSD dump doesn't seem to be able to
determine the size of the device but uses ~ 250 MB (ie. the size of some
very old streaming take) by default!
> Thanks
>
> Mark
Tony