Raid 5 versus 3 computer backup

[Doug]

Hello:

I have been feeling guilty about never doing the work to set up RAID5.
 Last week, I took all my valuable on my desktop machine and rsync'ed
it to my laptop.  I thought that was a great idea: if the desktop
stops, I'll have all the data on a computer, and be able to work
straight away.  Flex a credit card, rsync a new desktop to the data on
the laptop, and things are going again.  That was the thought to
alleviate the guilt.

There was a good article on storage cited by slashdot here:

    http://storagemojo.com/?p=383

The end of the article made this conclusion:

>Further, these results validate the Google File System's central
redundancy concept: forget RAID, just replicate the data three times.
If I'm an IT architect, the idea that I can spend less money and get
higher reliability from simple cluster storage file replication should
be very attractive.

Based on this, I will rsync my data to a third box in the house, and
rsync once a week. Any others use the 3 machine idea?

doug

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