HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
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20.15.4.16 Predictive Failure Analysis
The Drive performs error log analysis and will alert the initiator of a potential failure. The initiator should determine if this
device is the only device with error activity.
If this drive is the only drive attached to the initiator with error activity, service the drive using the procedures specified in Sec-
tion 20.15.1, “Drive Service Strategy” on page 302.
Note: Service for this drive can be deferred. The longer service is deferred, the more probable a failure can occur that will
require immediate service.
If more than this drive is experiencing error activity, the drive is probably not at fault. Locate and service the outside source
causing error activity on this drive.
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