Method and system for recovery from a coupling facility...

Details Method and system for recovery from a coupling facility... Method and system for recovery from a coupling facility...

2005-06-21

2005-06-21

Le, Dieu-Minh (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C711S162000

Reexamination Certificate

active

06910153

ABSTRACT:
A method and system for transparently recovering from a coupling facility failure are disclosed. In one method embodiment, the present invention determines, following the failure of a coupling facility, which data was previously assigned to that coupling facility. The present embodiment then prevents access to that failed coupling facility. Next, the present method embodiment selects a new storage location for the data which was previously assigned to the failed coupling facility. The present embodiment then assigns the data previously assigned to the failed coupling facility to a new storage location. In the present invention, the aforementioned steps are performed without requiring preallocation of white space in an alternate coupling facility.

REFERENCES:
patent: 5615329 (1997-03-01), Kern et al.
patent: 5771367 (1998-06-01), Beardsley et al.
patent: 6662307 (2003-12-01), Sipple et al.
patent: 6671705 (2003-12-01), Duprey et al.
patent: 6748488 (2004-06-01), Byrd et al.

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