Event ID - 9

Event Id9
Sourceaac
DescriptionThe device, \Device\Scsi\aac3, did not respond within the timeout period.
Event InformationIn almost all cases, these messages are being posted due to hardware problems with either the controller or, more likely, a device that is attached to the controller in question. The hardware problems can be associated with poor cabling, incorrect termination or transfer rate settings, lazy or slow device responses to relinquish the SCSI bus, a faulty device, or, in very rare cases, a poorly written device driver.
Reference Links How to Troubleshoot Event 9 and Event 11 Error Messages

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