how do you back up data on your home computer?

[jay-R5TnC2l8y5lBDgjK7y7TUQ at public.gmane.org]

Most of my important data is in dropbox which spreads it out across all my pcs and the cloud, personal photos are backed up on a private flikr account.  All data is backed up to a raid 6 array that is backed up to an external drive, the array is only about a terabyte so it makes this easy.  Ill occasionally swap the external with one I keep at the office. 

As for most media, cd & dvd rips and such, I just keep on a seperate raid 6.  The discs are the back up, or ill make a disk if its a download.  And if the house burns down I got bigger prolems than replacing a few hundred dvds...


------Original Message------
From: eric chadbourne
Sender: discuss-bounces-mNDKBlG2WHs at public.gmane.org
To: BLU
Subject: how do you back up data on your home computer?
Sent: Jan 7, 2010 3:19 PM

hi all.

a while back i heard somebody say to keep 3 copies of everything.  so for a
while i would have a local copy of my stuff, another copy on an external
hard drive and a third copy on dvd+r.  (i still have this set up for my
music and movies.)  anyway, i wanted to do something different for my
documents.  it's not a lot of stuff, taxes, resumes, passwords, photos,
etc...  so i'm keeping a working copy on my laptop, a copy on a usb drive
and a copy in heaven (aka the cloud).  i just whipped up a little script to
do it, see below.  but i was wondering what some of you guys do?

thanks,
eric c. - the one who's so happy to have wiped win7 and went back to linux
on my laptop.

#    usage:  backup.sh <path/to/directory> <password> <path/to/backup>
#    example:  backup.sh /home/eric/Documents somepass '/home/eric/Ubuntu
One'
#    note:  i assume this is on a trusted home system as the pass is in bash
history.

# tar it
tar cvf $(date +%Y%m%d)_backup.tar $1

# encrypt it
echo $2 | gpg --batch --no-tty --armor --passphrase-fd 0 --symmetric $(date
+%Y%m%d)_backup.tar
rm $(date +%Y%m%d)_backup.tar

# compress it
gzip $(date +%Y%m%d)_backup.tar.asc

# move it
mv $(date +%Y%m%d)_backup.tar.asc.gz "$3"

# only keep the last three backups
cd "$3"
array=($(ls -t *_backup.tar.asc.gz))
#echo ${array[*]}
unset array[0]
unset array[1]
unset array[2]
rm ${array[*]}
unset array

# the update to the cloud happens independently of this script
# see https://one.ubuntu.com/
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