US Patent 7590801 Identifying suspect disks
Patent 7590801 was granted and assigned to NetApp on September, 2009 by the United States Patent and Trademark Office.
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A group of disks is monitored for indications of a detected error. After receiving an indication that a first disk in the group has had a detected error, determining a consecutive number of detected errors for the first disk. Determining if the consecutive number of detected errors exceeds a threshold, and if the consecutive number of detected errors does exceed the threshold, identifying the first disk as a suspect disk. In response to determining that the first disk had the most recent detected error, incrementing the number of consecutive errors of the first disk by one. If a disk other than the first disk had a most recent detected error, setting the consecutive number of detected errors of the disk other than the first disk to one, and setting the consecutive number of detected errors of the first disk to zero.
US Patent 07590801 Identifying suspect disks US Patent 7590801 Identifying suspect disks
US Patent 07590801 Identifying suspect disks
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