Submission for mod-computers-apollo

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2 total messages Started by coddennis Tue, 24 Feb 1987 22:50

#385

Author: coddennis
Date: Tue, 24 Feb 1987 22:50

29 lines
1934 bytes

Path: cod!dennis
From: dennis@cod.UUCP (Dennis Cottel)
Newsgroups: mod.computers.apollo
Subject: remote backups
Message-ID: <518@cod.UUCP>
Date: 24 Feb 87 22:50:52 GMT
Organization: Naval Ocean Systems Center, San Diego
Lines: 20

I would like to backup our Apollo file systems to our central VAX BSD
4.3 UNIX machines where we have a large tape library and operators
available at night who will retrieve, mount, and store the tapes.  We
are connected via TCP/IP/COM-ETH, the DOMAIN/IX r-commands work, but
where is rdump?

A call to Apollo brought the reply that "they don't support that
command," as well as a comment that it couldn't be ported because the
Apollo file system is too different.  Why is this?  Or has someone
ported rdump to the Apollos?  Why isn't it included with DOMAIN/IX?

Apollo suggested that I use tar and pipe the output to "rsh dd" on the
VAX.  However, tar can't select files by modification date.  WBAK knows
about file modification dates, but you can't make WBAK write to the
standard output.  I know everyone's got backup problems--has anyone tried
to do something similar to this?

       Dennis Cottel  Naval Ocean Systems Center, San Diego, CA  92152
       (619) 225-2406     dennis@NOSC.MIL       sdcsvax!noscvax!dennis

Re: Submission for mod-computers-apollo

#392

Author: weberw
Date: Wed, 04 Mar 1987 17:11

18 lines
1454 bytes

dennis@nosc.UUCP (Dennis Cottel) writes:
>Message-ID: <518@cod.UUCP>
>Date: 24 Feb 87 22:50:52 GMT
>
>I would like to backup our Apollo file systems to our central VAX BSD
>...
>...
>................................................... Or has someone
>ported rdump to the Apollos?  Why isn't it included with DOMAIN/IX?

Nat Mishkin answered this well in another article.

>Apollo suggested that I use tar and pipe the output to "rsh dd" on the
>VAX.  However, tar can't select files by modification date.

OK, then, how about using find(1) with the appropriate arguments and shoving the
list of files to /sys5/bin/cpio , which would then rsh the dd to the tape?  Granted,
cpio is sys5 specific, but this should work correctly.

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