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Compex Systems Advanced SerialRAID Adapters SA33-3285-02 User Manual

Page 70

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Figure 20 shows an alternative method of protecting RAID-5 arrays against the
complete failure of an SSA Enclosure. This method uses a different hot spare disk drive
to protect each member of the array.

Pool A2

Pool A3

hdisk

hdisk

Pool A1

Enclosure-1

Enclosure-2

Enclosure-3

pdisk

pdisk

pdisk

pdisk

pdisk

pdisk

Spare

Spare

Spare

Figure 20. Pools along, and Hdisks across, Enclosures

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