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Topic: [OFFTOPIC] Compression Regret (Read 1236 times) previous topic - next topic
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[OFFTOPIC] Compression Regret

ZFS is so obscenely cool that I had to try it at one stage. It was before FreeBSD had adopted it, so I tried to run Solaris on a poor home computer. Got so far as to pulling out one drive to check the RAIDZ rebuilding, and found out that if I needed a new computer just for the sake of running a file system, I could just as well buy another set of backup drives.

At home I have used http://www.vilett.com/disParity/ . It protects as a RAID (type 3 or 4, dedicated parity drive) as long as nothing is written; new files are not protected, and overwriting old files destroys recoverability of other files - until you ask it to update. But each drive is useful separately, and should parity crash between failure and rebuild of drive1, it means drive2 is intact and I only have to retrieve from backup-drive1. Can be done off-site with a single spare drive.

But nowadays 4 TB drives offer most storage for the buck, and 6 TB's are affordable, and the latter takes some 20 000-ish CDs stored losslessly. After just having had a crash this summer, having to retrieve a mighty (count'em) one single file, I can mirror it all on my new drive.