Anomaly notification control in disk array
First Claim
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1. A disk array comprising:
- a disk array rack;
a plurality of disk drives installed in the disk array rack;
a controller installed in the disk array rack to control data reads and writes to and from the disk drives; and
cables connecting the controller with the disk drives;
wherein the disk drives comprise first disk drives and second disk drives with an interface different from that of the first disk drives;
wherein the controller, when it decides that one of the first disk drives fails, performs sparing on the failed first disk drives by using the second disk drives.
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Abstract
In a storage device incorporating a plurality of kinds of disk drives with different interfaces, the controller performs sparing on a disk drive, whose errors that occur during accesses exceed a predetermined number, by swapping it with a spare disk drive that is prepared beforehand.
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Citations
11 Claims
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1. A disk array comprising:
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a disk array rack;
a plurality of disk drives installed in the disk array rack;
a controller installed in the disk array rack to control data reads and writes to and from the disk drives; and
cables connecting the controller with the disk drives;
wherein the disk drives comprise first disk drives and second disk drives with an interface different from that of the first disk drives;
wherein the controller, when it decides that one of the first disk drives fails, performs sparing on the failed first disk drives by using the second disk drives. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification