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Dell 3 User Manual

Page 35

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Introduction to RAID

33

F i g u r e 2 - 1 . E x a m p l e o f D i s k S t r i p i n g

Stripe Width

Stripe width is the number of disks involved in an array where striping is
implemented. For example, a four-disk array with disk striping has a stripe
width of four.

Stripe Size

The stripe size is the length of the interleaved data segments that PERC 3
writes across multiple drives. PERC 3 supports stripe sizes of 2 KB, 4 KB,
8 KB, 16 KB, 32 KB, 64 KB, or 128 KB.

Segment 1
Segment 5
Segment 9

Segment 2
Segment 6

Segment 10

Segment 3
Segment 7

Segment 11

Segment 4
Segment 8

Segment 12