On Fri, 2005-06-10 at 09:11 +0200, Laurent CARON wrote: > Dan Stromberg a écrit : > > >Has anyone constructed a RAID 5 of RAID 5's using mdadm on a linux > >system? > > > >Was it reliable? > > > >How large was it? > > > >Thanks! > > > > > > > Seems to be a large waste of space.... Consider: You have a bunch of "bricks" that can shuffle data between a NAS head and a bunch of disks. The disks are RAID'd (through the "bricks"), but if one of the bricks themselves dies, you're kinda stuck. But if you RAID 5 the RAID 5's, then you don't end up with massive parity pounding, and your bricks aren't a single point of failure, and you don't lose as much space as if you mirrored. Sound copacetic? Thanks for your feedback!
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