Fault recovery method and a storage controller in an...

Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability

Reexamination Certificate

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C714S004110, C714S043000

Reexamination Certificate

active

10600828

ABSTRACT:
In a shared bus connection scheme or an individual path connection scheme, a fault caused at a part of a system affects the same in its entirety. Also, these schemes do not permit the determination of fault locations. Adapters11, 12are connected to shared memories21, 22with a plurality of individual paths31through38. An address locking unit (not shown) is arranged in each of the shared memories21, 22to perform address lock check on memory access operations from the adapters11, 12. If an address to be accessed is in the locked state, the access is held in the lock wait state until the address is unlocked. The access is made when the address locking is cleared.

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EP Search Report dated Jun. 12, 2006.

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