2.1 常规RAID系列
2.1.1符合SNIA(Storage Networking Industry Association)Common RAID Disk Data Format Specification Revision 01.00.00 即全球网络存储工业协会《常规磁盘阵列磁盘数据格式规范修订版01.00.00》规范的全系列RAID,包括:
RAID-0 Simple Striping (PRL=00, RLQ=00)
RAID-1 Simple Mirroring (PRL=01, RLQ=00)
RAID-1 Multi Mirroring (PRL=01, RLQ=01)
RAID-3 Non-Rotating Parity 0 (PRL=03, RLQ=00)
RAID-3 Non-Rotating Parity N (PRL=03, RLQ=01)
RAID-4 Non-Rotating Parity 0 (PRL=04, RLQ=00)
RAID-4 Non-Rotating Parity N (PRL=04, RLQ=01)
RAID-5 Rotating Parity 0 with Data Restart (PRL=05, RLQ=00)
RAID-5 Rotating Parity N with Data Restart (PRL=05, RLQ=02)
RAID-5 Rotating Parity N with Data Continuation (PRL=05, RLQ=03)
RAID-5E Rotating Parity 0 with Data Restart (PRL=15, RLQ=00)
RAID-5E Rotating Parity N with Data Restart (PRL=15, RLQ=02)
RAID-5E Rotating Parity N with Data Continuation (PRL=15, RLQ=03)
RAID-5EE Rotating Parity 0 with Data Restart (PRL=25, RLQ=00)
RAID-5EE Rotating Parity N with Data Restart (PRL=25, RLQ=02)
RAID-5EE Rotating Parity N with Data Continuation (PRL=25, RLQ=03)
Integrated Adjacent Stripe Mirroring (PRL= 11, RLQ=00)
Integrated Offset Stripe Mirroring (PRL= 11, RLQ=01) |
2.1.2 符合SNIA(Storage Networking Industry Association)Common RAID Disk Data Format Specification Revision 01.10.00 DRAFT 即全球网络存储工业协会《常规磁盘阵列磁盘数据格式规范修订版草案01.10.00》规范的全系列RAID,本草案包括《常规磁盘阵列磁盘数据格式规范修订版01.00.00》所定义的全部RAID类型,并增加新类型包括:
RAID 6 Rotating Parity 0 with Data Restart (PRL=06, RLQ=01)
RAID 6 Rotating Parity N with Data Restart (PRL=06, RLQ=02)
2.2 非常规RAID系列
2.2.1 HP系列未遵循SNIA标准的磁盘阵列类型包括:
Dual Data Loop RAID-5 Rotating Parity N with Data Restart
(Primary Data Loop 256KB ;Secondary Data Loop 8KB)
Dual Data Loop RAID-5E Rotating Parity N with Data Restart
(Primary Data Loop 256KB ;Secondary Data Loop 8KB)
2.2.2 IBM系列未遵循SNIA标准的磁盘阵列类型包括:
Dual Data Loop RAID-5 Rotating Parity N with Data Continuation
(Primary Data Loop 256KB ;Secondary Data Loop 32KB)
Dual Data Loop RAID-5E Rotating Parity N with Data Continuation
(Primary Data Loop 256KB ;Secondary Data Loop 32KB)
2.2.3 HP及前Compaq系列未遵循SNIA标准的磁盘阵列类型包括:
Dual Data Loop RAID-ADG Rotating Parity N with Data Restart
(Primary Data Loop 256KB ;Secondary Data Loop 8KB)
值得一提的是,虽然RAID-6及RAID-ADG采用了复杂的Reed-Solomon Codes 进行第二校验块的编码、维护及解码,致使底层数据分析及重组工作变得更为困难,但八百里数据恢复中心已于今年成功研发了针对RAID-6及RAID-ADG的“八百里舰”数据重组软件相关模块,是国内第一家拥有此项数据恢复技术的公司,也是国内第一家成功恢复故障RAID-ADG数据的公司。 |