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Overview
Figure 2-3. Example of Distributed Parity (RAID 5)
stripe element1 stripe element2 stripe element3 stripe element4 stripe element5 parity (1-5)
stripe element7 stripe element8 stripe element9 stripe element10 parity (6-10) stripe element6
stripe element13 stripe element14 stripe element15 parity (11-15) stripe element11 stripe element12
stripe element19 stripe element20 parity (16-20) stripe element16 stripe element17 stripe element18
stripe element25 parity (21-25) stripe element21 stripe element22 stripe element23 stripe element24
parity (26-30) stripe element26 stripe element27 stripe element28 stripe element29 stripe element30
A5_bk0.book Page 20 Thursday, February 10, 2011 8:34 PM