[96386] in RedHat Linux List
Re: remote backup using ssh/dump
daemon@ATHENA.MIT.EDU (Gerry Doris)
Mon Oct 26 20:11:41 1998
Reply-To: "Gerry Doris" <gdoris@shaw.wave.ca>
From: "Gerry Doris" <gdoris@shaw.wave.ca>
To: <redhat-list@redhat.com>
Date: Mon, 26 Oct 1998 20:11:02 -0500
Resent-From: redhat-list@redhat.com
Check out ARKEIA. It is a client/server backup program that works quite
well. They have Linux version that's shareware for one server and two
(maybe three clients). I use it at home to backup two Linux boxes (one is
the server).
I ususally run it from the client box but it can be run from any system. It
only supports SCSI tape devices though.
Gerry
-----Original Message-----
From: Kevin Mernick <Kevin_Mernick@brown.edu>
To: redhat-list@redhat.com <redhat-list@redhat.com>
Cc: sasha@forum.swarthmore.edu <sasha@forum.swarthmore.edu>;
staff@forum.swarthmore.edu <staff@forum.swarthmore.edu>
Date: October 25, 1998 6:49 PM
Subject: Re: remote backup using ssh/dump
>
>Alex Vorobiev wrote:
>> - RH5.1 on client/server
>> - dump/restore on client/server
>> - server's root has passwordless ssh access to client root
>>
>> my goal is to dump client's disks to server's tape. i would like to
>> avoid using the operator scheme, where i would have to
>> change permissions on rmt/rrestore, as well as disk devices (which is
>> necessary to enable the client operator can do remote dump to server).
>>
>> as root@server, i do the following:
>>
>> SERVER# (ssh CLIENT /sbin/dump 0uBf 4000000 - / ) | dd of=/dev/nst0
bs=1024
>>
>> dump completes successfully. i can't restore, however:
>...[error messages]...
>> am i using incorrect block size, or is dd mangling the dump stream?
>>
>> alternative solutions welcome.
>I used a similar method a couple of years ago to setup backups for 3
>servers (only one of which had a tape drive). Instead of dump/restore
>we used tar. On the machine with the tape drive (foo), we added a user
>named backup, and allowed root on the other two machines (bar and baz)
>to ssh to that account without a password. We also added a tape group
>on foo with backup in it, and set the permissions on the tape device to
>660 (root:tape).
>To backup bar we did:
>bar:/># tar cf - / | (ssh foo -l backup dd of=/dev/st0)
>(or something like that, it's been two years)
>To restore we did:
>bar:/restore># (ssh foo -l backup dd if=/dev/st0 ) | tar xf - <filelist>
>where <filelist> is the list of files/directories we wanted to restore.
>
>> --sasha/sasha@forum.swarthmore.edu
>
>
>_________________________________________________________________________
>Kevin Mernick
>Kevin_Mernick@Brown.edu / kmernick@mbhs.edu
>"You certainly usually find something, if you look, but it is not always
>quite the something you were after." --J.R.R. Tolkien
>_________________________________________________________________________
>
>
>
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