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时间:2019-12-1 5:35:24   作者:成都数据恢复中心   来源:本站原创   阅读:215   评论:0
内容摘要:Level 5: Backward Parity aka Left Asynchronous (Adaptec)是左循环不对称( Backward3-2-1)Component 1: 1 3 PComponent 2: 2 P 5Component 3: P 4 6Level 5...
Level 5: Backward Parity aka Left Asynchronous (Adaptec)是左循环不对称( Backward3-2-1)

Component 1:  1  3  P
Component 2:  2  P  5
Component 3:  P  4  6

Level 5: Backward Dynamic Parity aka Left Synchronous (AMI and Linux standard)是左循环对称(Backward dyn.disk)

Component 1:  1  5  9  P
Component 2:  2  6  P  10
Component 3:  3  P  7  11
Component 4:  P  4  8  12

Level 5: Backward Delayed Parity (HP/Compaq)是HP的双循环结构

Component 1:  1  3  5  7   9   11  13  15
Component 2:  2  4  6  8   P    P    P    P
Component 3:  P  P  P  P   10  12  14  16

Level 5: Forward Parity (aka Right Asynchronous)是右循环不对称(Forward 1-2-3)

Component 1:  P  3  5
Component 2:  1  P  6
Component 3:  2  4  P

Level 5: Forward Dynamic Parity (aka Right Synchronous)

Component 1:  P  6  8  10
Component 2:  1  P  9  11
Component 3:  2  4  P  12
Component 4:  3  5  7  P

Level 5: Forward Delayed Parity

Level 5: Forward Dynamic Delayed Parity (CRU/Dataport)

Level 5EE: Backward Parity (Adaptec)

Component 1:  1  3  S  P
Component 2:  2  S  P  7
Component 3:  S  P  5  8
Component 4:  P  4  6  S    (S = spare)

Level 5EE: Forward Parity
Component 1:  1  P  S  7
Component 2:  2  3  P  S
Component 3:  S  4  5  P
Component 4:  P  S  6  8

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