Maintenance command structure and execution

Details Maintenance command structure and execution Maintenance command structure and execution

1997-06-03

1999-10-19

Hua, Ly V.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

714 6, 711112, 711114, G06F 303, G11B 1902

Patent

active

059681845

ABSTRACT:
A method and appartus maintain a disk drive system in a more reliable and simplified manner. Maintenance commands directed to logical volumes of the physical disk drive units are configured to apply to the entire physical disk drive unit so that a maintenance command need not be repeated for each logical volume to be affected. Should a failure be received with regard to any one or more logical volumes, the apparatus and method repeat the maintenance command, but only for those failed logical volumes. The maintenance command can also be applied to a group of physical devices using this procedure.

REFERENCES:
patent: 5463758 (1995-10-01), Ottesen
patent: 5586291 (1996-12-01), Lasker et al.
patent: 5740358 (1998-04-01), Geldman et al.
patent: 5809543 (1998-09-01), Byers et al.
patent: 5812761 (1998-09-01), Seki et al.

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