Event ID - 9

Event Id9
Sourcecpqfcalm
DescriptionThe device, \Device\ScsiPort4,did not repont within the timeout period.
Event InformationAccording to Microsoft: 
 In 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. Some news group post also saying that in some cases this problem solved by updating the driver for the storage device.
Reference Links How to Troubleshoot Event 9 and Event 11 Error Messages

Troubleshooting Event ID 9, 11, and 15 on Cluster Servers

How to resolve SCSI bus timeouts

StorageWorks 64-Bit/66-MHz Dual Channel Wide Ultra3 SCSI Controller Driver May Time Out With Event ID 9

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