[olug] Backup software

Nick Walter waltern at iivip.com
Fri Oct 10 13:39:51 UTC 2003


On the topic of backups, I recommend doing full backups on a daily basis if
the tape drive has the capacity and the backup overhead doesn't interfere
with normal operations.  I'd also recommend a full image backup at least
once every few months.

By image backup I mean something along the lines of a dd of all of the
internal storage.  An image backup can restore everything including
partition tables and so forth.  There is a nice free product called Mondo
for doing this if you aren't comfortable with doing it manually.

Daily backups can be done with tar or cpio.  Either one will do the job so
just use the one you have a higher comfort level with.  If the data is super
critical I would advocate doing a second backup each day of just the
critical data.  Tapes delight in failling just when you need them so having
a second recent copy of anything important is important.

Always remember the golden rule of backups.  No matter how many tapes you
churn out you don't have a real backup until you've tested a restoration to
validate your backup methods.

Nick Walter




----- Original Message ----- 
From: "Craig Wolf" <CJWolf at mpsomaha.org>
To: <olug at olug.org>
Sent: Friday, October 10, 2003 8:04 AM
Subject: [olug] Backup software


What does everyone recommend as a backup solution on a single server with an
internal 40/80GB DLT drive?  I want to do daily backups and be able to
access the server remotely to do restores if need be.  Remotely could be SSH
or the program itself.

Thanx for any and all help!!!

Craig Wolf
Linux Web Server Support
Backup Supervisor
Desktop/Network Specialist
402-894-6283


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