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satimis

08-23-2006 09:40 AM

About cp command for backup purpose

Hi folks,

I'm prepared to connect an USB enclosure to PC to be used for backup data from /home/user's directory with cp command regularly.

My questions are;

1) Can I run incremental copying for time saving with following options up
$ cp -p -R -u /home/user/* /mnt/point/of/usb_enclosure/

2) Is there any method whenever I save a file on /home/user/directory_A a duplicate copy would be saved on the USB enclosure automatically to /directory_A which has already been existing.

3) Is there any better method to serve my purpose solely to backup data from /home/user/ on USB enclosure regularly

TIA

B.R.
satimis

DotHQ

08-23-2006 10:11 AM

Looks like a good plan to me.
You might at a -d so that the copy does not follow symbolic links. Or you could use the -a (archive) which is equivalent to using -dpR.

Either way I think you're plan as is will work just fine. :D

timmeke

08-23-2006 10:27 AM

There are many backup solutions besides cp. rsync to name one. Try searching this forum for backup software.

Matir

08-23-2006 01:31 PM

If you just want a basic 'update this mirror periodically', definitely use rsync.

satimis

08-24-2006 05:24 AM

Hi folks,

Tks for your advice.

Follows were the result of googling;

Code:

A Tutorial on Using Rsync

Last updated on November 20th, 1999 

http://everythinglinux.org/rsync/rsync_content.html



Easy Automated Snapshot-Style Backups with Linux and Rsync

http://www.mikerubel.org/computers/rsync_snapshots/



How to setup rsync for anonymous mirroring - Chapter 2:

http://sunsite.dk/info/guides/rsync/rsync-mirroring02.html



Rsync tutorial

http://www.fredshack.com/docs/rsync.html

Any injection? TIA. Which of the above is more appropriate to my application?

My top preference is to have replication on the USB enclosure whenever a copy of file is saved on local HD (PC HD). It'll save my work to run rsync periodically creating backup on the enclosure.

B.R.
satimis

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