Floppy disk RAID
Posted on April 18, 2003 @ 10:53 in Tech
This is for geeks only: a guy managed to chain together five floppy disk drives into a striped RAID. He used a bondi-blue iMac, running OS X and five USB floppy drives. The floppy RAID provides him with a cool 3.9 MB of diskspace and allows him to copy a 3.6 MB MP3 file in only 32 seconds... 17 seconds when using double-speed floppy drives. (via Tweakers.net)
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This reminds me of an interesting bug I found in 10.2.3: create and mount three 10MB disk images, then try to create a raid from them. Kernel panic. Once you've finished restarting and fsck'ing, try mounting those disk images. Kernel panic.
It seems the virtual RAID overlay system didn't like the virtual disk image system. Having just got my powerbook back from repair, I'm not really up for testing this on 10.2.5; I'll see if it breaks under 10.2.6 still later.
The goal is to have encrypted disk images mounted in a RAID, and then to be able to copy those disk images out to seperate media for archival purposes; thanks to the RAID, some of the media can go missing or bad, and things will still survive okay.
Posted by Richard Soderberg on May 12, 2003 @ 20:35
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