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Originally Posted by unregistered
Raid 5 for me, 'nother hard lesson
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Hmmm - I think that for general PC use that I prefer RAID-1, unless you have a serious industry-spec RAID-5 card.
Also, for really important data, set up a cheapie box (cheap CPU wise), stick a RAID-1 card and disks on it, and sit it in a different building and backup all important data to it at least every week on a Monday morning "routine" over the network.
Perhaps somewhat surprisingly doing that is probably safer than various company implementations which keep backups in the same building as their RAID-5 box.
For me - rotational storage is now cheap enough per GB to overlook CD's, DVD's and tapes, for anyone who cares.
Getting smarter, and one could setup a pair of Linux boxes. One as the primary server, and one as the back-up machine in a different building. Run a periodical job every day that creates a day-stamped directory on the back-up box, and the main fileserver copies all files (and directories) that have changed in the last day into that directory.
Then it's a simple matter to write a script that can extract any file from any date, or rebuild the filesystem state to a particular date, or simply just rebuild up until the present date.