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标题: 西安数据恢复之RAID5阵列硬盘底层数据排列分布 [打印本页]

作者: 艾的民 时间: 2018-11-5 09:51
标题: 西安数据恢复之RAID5阵列硬盘底层数据排列分布
分析raid5阵列在硬盘上的数据分布，恢复不同的raid5阵列瘫痪或故障导致的数据丢失，小编采用WINHEX为例说明一下常见的raid5数据排列。
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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: Backward Dynamic Parity aka Left Synchronous (AMI and Linux standard)是左循环对称(Backward dyn.disk)Component 1: 1 5 9 PComponent 2: 2 6 P 10Component 3: 3 P 7 11Component 4: P 4 8 12Level 5: Backward Delayed Parity (HP/Compaq)是HP的双循环结构Component 1: 1 3 5 7 9 11 13 15Component 2: 2 4 6 8 P P P PComponent 3: P P P P 10 12 14 16Level 5: Forward Parity (aka Right Asynchronous)是右循环不对称(Forward 1-2-3)Component 1: P 3 5Component 2: 1 P 6Component 3: 2 4 PLevel 5: Forward Dynamic Parity (aka Right Synchronous)Component 1: P 6 8 10Component 2: 1 P 9 11Component 3: 2 4 P 12Component 4: 3 5 7 PLevel 5: Forward Delayed ParityLevel 5: Forward Dynamic Delayed Parity (CRU/Dataport)Level 5EE: Backward Parity (Adaptec)Component 1: 1 3 S PComponent 2: 2 S P 7Component 3: S P 5 8Component 4: P 4 6 S (S = spare)Level 5EE: Forward ParityComponent 1: 1 P S 7Component 2: 2 3 P SComponent 3: S 4 5 PComponent 4: P S 6 8

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