RAID usage for 5 HDD

270 pts.
Tags:
Hard disks
HDD
RAID
RAID configuration
Storage capacity planning
If we have 5 hdd containing 250 gb space each then how much hdd space will be available to use in RAID-5?

Software/Hardware used:
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You will have the capacity of 4 (5-1) disks.

Discuss This Question: 5  Replies

 
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  • Yogender
    I didn't get you can you brief you answer @Carlosdl
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  • Spadasoe
    1 drive for parity, 4 drives for data. 4 x 250GB
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  • Yogender
    but RAID-5 uses pair of 3 hdd then how it will use 4 drive for data
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  • carlosdl
    I'm not sure to understand your last question. You need at least 3 disks for a RAID 5 configuration, but that doesn't mean that you need a number of disks that is a multiple of 3. Standard RAID levels at Wikipedia.
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  • jinteik
    yeah minimum is 3 disk for raid 5..
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