*BSD News Article 4994


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Newsgroups: comp.unix.bsd
Path: sserve!manuel!munnari.oz.au!uniwa!cujo!colin
From: colin@cs.curtin.edu.au (Colin Manning)
Subject: Re: backup w/ compression for UN*X?
Message-ID: <colin.716442459@marsh>
Sender: news@cujo.curtin.edu.au (News Manager)
Organization: Curtin University of Technology
References: <1992Sep3.165702.3809@gateway.novell.com> 	<1992Sep4.085828.10853@ntuix.ntu.ac.sg> 	<1992Sep06.104350.2659@rubikon.han.de> <BRTMAC.92Sep6140131@maverick.ksu.ksu.edu>
Date: Mon, 14 Sep 1992 03:47:39 GMT
Lines: 41

brtmac@maverick.ksu.ksu.edu (Brett McCoy) writes:

>In article <1992Sep06.104350.2659@rubikon.han.de> toad@rubikon.han.de
>(Peter Cleve) writes:

>>Something like this: (Not a ready to go script, but it shows the idea)
>>
>>YourFavoriteArchiver |
>>YourFavoriteCompress | (
>>	   echo Insert Media > /dev/tty
>>	   read dummy < /dev/tty
>>	   dd of=YourFavoriteDevice bs=Foo count=YourFavoriteMediaSize
>>)
>>
>>Reading from the Media should be implemented easily too.

>There is a serious problem with this scheme.  You have to read every
>single disk, or whatever, to get a file that is on the last disk.
>Also, if a disk in the middle of the dump is bad there is no way to
>get the data from the disks following the bad one because you can't
>start reading a compressed file in the middle.

>++Brett;

What about:

find / -name "*" -exec "ind-comp"{}";"

where ind-comp is:
compress $1
tar -r $1
uncompress $1

I'm not sure on the syntax, but you should get the general idea.

Colin.
--
Colin [colin@cs.curtin.edu.au]

"Knowledge is not knowing all the answers, but knowing where to find them."
                                                                  -anon.