james bardin wrote:
Hello,
Has anyone here seen any numbers, or tested themselves, the rebuild
times for large raid arrays (raid 6 specifically)?
I can't seem to find anything concrete to go by, and I haven't had to
rebuild anything larger than a few TB. What happens when you loose a
2TB drive in a 20TB array for instance? Do any hardware raid solutions
help. I don't think ZFS is an option right now, so I'm looking at
Linux and/or hardware raid.
Thanks
-jim
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Jim,
I have a new Infortrend a24s-g2130 with 24 x 1T drives. I setup a raid6
with 2 spares and during the raid initialization a drive failed. The
raid6 initialization took 20 hours and the rebuild took 16 hours. I've
since changed the rebuild priority from normal to high but have not had
any more drives fail.
Cheers,
Paul
http://www.infortrend.com/main/2_product/es_a24s-g2130.asp
--
Paul Van Allsburg
Scientific Computing Specialist
Natural Sciences Division, Hope College
35 E. 12th St. Holland, Michigan 49423
616-395-7292 vanallsb...@hope.edu
http://www.hope.edu/academic/csm/
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