| 摘要 |
A disk array controller, comprising a channel interface unit for connecting a host computer through a first type channel; a channel interface unit for connecting a host computer through a second type channel; a plurality of disk interface units provided with an interface with a magnetic disk unit respectively; a cache memory unit; and a shared memory unit, wherein the number of access paths connected to said cache memory unit is less than the number of access paths connected to said shared memory unit.
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