>16tb filesystems on linux

Sabuj Pattanayek sabujp at gmail.com
Thu Aug 26 14:27:45 CDT 2010

> The MD1000 is populated with (15) 2TB 7200rpm SAS drives in a RAID-5
> with 1 hotspare (leaving 13 data disks).  I know that conventional
> wisdom says that raid5 is a poor choice when you are looking for
> performance, but localized benchmarking has proven that in our scenario

Since you've got such a large logical disk, I would do RAID6 +
hotspare for better data security in case of disk failures, but it'll
probably be a bit slower than RAID5.

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