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Article #894

How to backup to a tapedrive on a Sun? rdump?

#894
From: Dick Silbar
Date: Wed, 02 Sep 1992 04:00
27 lines
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The Sun is on an ethernet with my NeXT, and we just got this nice 4mm
tapedrive.  At the moment I am doing backups to the optical disk on my 
cube, but who knows how long that situation can last...?  So, it is
desirable to back up to the tape, if possible.

It looked pretty simple, we thought: use 'rdump ...', making sure that
root on the NeXT has root login privileges on the Sun.  It even seemed
to work, when we tried it, at least as far as the console on the NeXT
was concerned.

Not so, at the Sun.  The tape was badly written.  We then found in the
man page for rdump that the utility (in 2.1) apparently only works
between NeXTs.  Bummer.

Is that problem with rdump fixed in 3.0?

If not, is there a way to set up the crontab to write a tar file to
the Sun's tapedrive?  It seems it might be tricky (or impossible?) to
NFS mount the tapedrive so it is visible to the NeXT.  [An alternative
might be to NFS mount the NeXT disk on the Sun and run the backup through
the Sun's cron, but that seems kludgy and also shifts the chore of backing
up _my_ machine to my colleague, who doesn't want that responsibility.]

Clearly this is not the first time people have faced this problem.  Any
help here would be much appreciated.

   Dick Silbar
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From: silbar@mpx2.lampf.lanl.gov (Dick Silbar)
Subject: How to backup to a tapedrive on a Sun?  rdump?
Message-ID: <1SEP199222001608@mpx2.lampf.lanl.gov>
News-Software: VAX/VMS VNEWS 1.41    
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Organization: LAMPF Data Analysis Center, Los Alamos, New Mexico
Date: Wed, 2 Sep 1992 04:00:00 GMT
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