Backup solutions?

[Daniel B. Thurman]

Do you have a backup tape drive on your system?
If so, you can use the dump/restore program to
dump your filesystems to tape.  You can do this
in single use mode to so that you can guarantee
that you have a fixed snapshot and not a roving
one.  This is what I do for native backups.

Note: If you had another "big drive", then you
can create an image backup such as:

dump -0 -f / | (cd mybackupdrive; restore -r -f -)

The "0" above is a full backup.  I have not checked
but it used to be that if a -C option was used, the
dump/restore can be "portable" - but this needs to
be checked.  Most dump/restores are machine specific.

IT Professionals of course use the commerical ones
such as Backup Exec (Veritas) or Cheyene.

The problem with tar or cpio or other similar
programs is that it cannot backup and restore
devices and databases based on raw partitions
but with Linux (Fedora) I am not sure how much
this has changed or if it can actually be done.
Check your mileage and make sure you TEST the
restore before committing yourself on a dead-end.

My $0.02 :-)
Dan

-----Original Message-----
From: fedora-list-bounces at redhat.com
[mailto:fedora-list-bounces at redhat.com]On Behalf Of Welty, Richard
Sent: Wednesday, October 26, 2005 9:48 AM
To: For users of Fedora Core releases
Subject: RE: Backup solutions?


Jon D. Slater writes:
>I don't need any archival on either machine.  My primary concern is hard 
>disk failure.

> so the 
>only backups would be of /home and the mySQL db's.

then you need to have a script that dumps the MySQL dbs
and rsync/rcp/rwhatever the resulting dump file. it's good
to then try and load up the databases on the new system
to prove to yourself that you know how to do that. (MySQL
dumps can be annoying to load.)

if hard drive failure is the dominant concern, you may wish
to consider software raid, or perhaps going with one of the
newer S-ATA RAID controllers. of course, when the motherboard
goes, this won't help much.

it really helps to play out all the hardware failure scenarios
in your head and work out your risk tolerance for each one.

richard

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