Ian Collins wrote:
Ross wrote:
[please keep some context for the email list]
Quick question to the more experienced guys here - how much space
would you end up with from 8 1.5TB drives in a raid-z array? Around
8-9TB?
Bearing in mind manufacturer TB != real TB, each drive will give about
1.35TB of formatted space, to you would get about 10.5TB.
As Ian pointed out, virtually all 1.5TB drives are actually
1,500,000,000,000 bytes in size, which equal about 1.364 TiB (to use the
stupid SI name).
Using a RAID-Z on 8 drives, will give you roughly 1.364TiB x 7 ~= 9.5TiB
of usable space, give or take a hundred or two GB.
--
Erik Trimble
Java System Support
Mailstop: usca22-123
Phone: x17195
Santa Clara, CA
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