On 04/27/11 09:03 AM, Ron Mexico wrote:
My storage server at work has three RAIDZ3's, each with 12 drives plus two hot
spares. I use Western Digital RE4's. In the two years I've been using this
configuration, I've never had more than one drive go bad at a time.
At home I have a RAIDZ1 using 5 WD Caviar Green 1TB drives. Not a single disc
error in over two years.
IMO, a six disk RAIDZ3 is beyond overkill. Make each group a RAIDZ1 with a hot
spare, or a RAIDZ2 with a shelf spare if you can't spare the extra drive slots.
raidz with 2TB drives opens too big a risk window for my liking. I
recently had a box take 160 hours to resilver a 500GB drive, so a
similar system could take 3 weeks to resilver a 2TB device!
--
Ian.
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