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Fubyou

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Raid 5 Question

   We have a old dell server 1300 deminsion. It has 3 Quantum (roughly 8-9 gigs each) disks plugged into a scsi card. This is setup as a raid-5 array. Someone the other day jumped on the server and saw the C was 9 GIGs instead of 18. Any ideas why?
FYI, uses a Perc 2 driver.
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zerofield

I could tell you the formulas for raid, but for the sake of convenience, use this:

http://www.ibeast.com/content/tools/RaidCalc/RaidCalc.asp


3 9 gig disks in a raid 5 would yield 18 gigs roughly.  if your C is 9 gigs, its either partitioned out of the available 18, or its not really in a 5 like you thought it was.
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Are there other partitions?

Are you sure it's not a RAID 1 with Hot Spare?
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ASKER

How could i tell if its raid 1 with hot spare
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ASKER

Oh you mean mirroring
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XSINUX

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