[Nelug] RE: Backing up files.

[Andy Hoult]

http://freshmeat.net/projects/rar/?topic_id=42 

That any use?

Regards,

Andy Hoult
AKA Gonkster
Jolt Administrator
www.jolt.co.uk 


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Today's Topics:

   1. Backing up Files (Steven)
   2. Re: Backing up Files (Sean Kelly)
   3. Re: Backing up Files (Stephen Patterson)

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Message: 1
From: "Steven" <Babylon722 at EpsilonEridani.freeserve.co.uk>
To: <nelug at mailman.lug.org.uk>
Date: Sat, 19 Jul 2003 14:33:32 +0100
Subject: [Nelug] Backing up Files
Reply-To: nelug at mailman.lug.org.uk

I would like to backup a directory on my Linux (suse 7.3) fileserver accross
a LAN to a DVD-RW drive. The problem I have is that the dir is aprox 25Gb
and I have no backup software to split the backup over multiple disks. Is it
possible to use some combination of utils on the server to create a zip?
archive and them split the file into 4.5Gb chunks that I can then copy to
DVD? I so what commands would I need to both backup and restore the backup?

Thanx in advance.


Steven.



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Message: 2
Date: Sat, 19 Jul 2003 16:31:57 +0100
From: Sean Kelly <lists at shortestpath.org>
To: nelug at mailman.lug.org.uk
Subject: Re: [Nelug] Backing up Files
Reply-To: nelug at mailman.lug.org.uk

Quoting Steven <Babylon722 at EpsilonEridani.freeserve.co.uk>:

> Is it
> possible to use some combination of utils on the server to create
> a zip? archive and them split the file into 4.5Gb chunks that I can
> then copy to DVD? I so what commands would I need to both backup
> and restore the backup?

  If you have a big file and you want to split it into several smaller files
you could try the split command.  man split.  To join all the split files
back together just cat file1 file2 file3 >master-file.

  If you can use something like dump/restore (for ext2 partitions) then the
dump command will split archives across multiple media so long as the device
gives EOM indications.  dump.sf.net I think for that one.

  I have seen mention of many backup utils/scripts/apps on freshmeat.net
that have included "media spanning" in their description.  I have no
specific names in memory, however.

  GNU tar has a -L option for tape length.  I have no idea whether this
would work with a none tape device (ie. file).

  I hope this helps,

-- 
Sean Kelly <lists at shortestpath.org>


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Message: 3
Date: Sat, 19 Jul 2003 18:57:28 +0100
From: Stephen Patterson <steve at patter.mine.nu>
To: nelug at mailman.lug.org.uk
Subject: Re: [Nelug] Backing up Files
Reply-To: nelug at mailman.lug.org.uk


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On 19 Jul 03, Steven (Babylon722 at EpsilonEridani.freeserve.co.uk) wrote:
> I would like to backup a directory on my Linux (suse 7.3) fileserver accr=
oss
> a LAN to a DVD-RW drive. The problem I have is that the dir is aprox 25Gb
> and I have no backup software to split the backup over multiple disks. Is=
 it
> possible to use some combination of utils on the server to create a zip?
> archive and them split the file into 4.5Gb chunks that I can then copy to
> DVD? I so what commands would I need to both backup and restore the backu=
p?

There's a program called multicd which will do this with cds. IIRC it
has config options for disc size and how to burn it (cdrecord parameters).

--=20
Stephen Patterson http://www.lexx.uklinux.net http://patter.mine.nu
steve at SPAM.lexx.uklinux.net  remove SPAM to reply       =20
Linux Counter No: 142831 GPG Public key: 252B8B37       =20
Last one down the pub's an MCSE

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