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Old 05-27-2004, 04:46 AM   #1
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Registered: May 2004
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Backup system - which directories to save?


I have a very general question about backup. I have a computer running on Suse Linux 8.2 which acts as server.
I already did backups from directories where data created by myself is stored, (e.g. /home etc.) Now I want to do a backup from the system itself.

Just in General: (Assumed that one has done a backup of the system ;-) )
In case of a harddisk crash where the system is running: Is it possible to copy all the backed up system directories to a new and functional harddisk so that you can start the computer and it is running again without doing a new installation?
In this case: which directories have to be saved for a system backup? All?

Thanks a lot!
Old 05-27-2004, 10:19 AM   #2
Registered: Sep 2003
Location: In the network closet
Distribution: Gentoo
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In case of a harddisk crash where the system is running: Is it possible to copy
That depends alot on what type of HD crash you experience. If you just get bad sectors, copying most of the info to a new system might be possible, however if you head(s) take a dive into the platter itself the drive will become unreadable.

You may want to investigate some sort over RAID configuration esp. for a critical server. I just finished doing this to our mail server. It will give you pretty much instant (depending on type) recovery if something goes bad.

Keep in mind that RAID won't protect you from accidental user caused data loss, virus problems, the delete key etc. You should additionally have a rolling backup strategy for important data.

As for copying the directories to a new HD or machine, I accomplished this with a few minor headaches when I migrated a server to a new box,, it's not to involved but there are some little things to watch out for.
Old 05-28-2004, 12:15 AM   #3
Registered: May 2004
Location: Atlanta, GA
Distribution: Slackware Current
Posts: 54

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Whatever you do, do not back up /proc!! You could have serious problems when you try to restore it. You may not want to back up /mnt either, but the folders there can easily be recreated.



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