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An Red Hat4.8 Inherent Defect Led to a Not Responding Application Server When It Attempted to Load an HBA Driver After the Driver Has Been Uninstalled

Publication Date:  2014-12-29 Views:  65 Downloads:  0
Issue Description
When the modprobe -r qla2500 and modprobe qla2500 commands were run on the application server, the application server may fail to respond.

Product and version information:
  • S5500T V100R001 V100R002
  • S5600T V100R001 V100R002
  • S6800T V100R001 V100R002
  • Application server operating system: Red Hat4 update 8 x86_64
  • HBA: QLogic QLE2562 (diver version: 8.02.09.02.04.08-d)
  • S3900 V100R001 V100R002
  • S5900 V100R001 V100R002
  • S6900 V100R001 V100R002
  • Application server operating system: Red Hat4 update 8 x86_64
  • HBA: QLogic QLE2562 (driver version: 8.02.09.02.04.08-d)
Alarm Information
N/A
Handling Process
Restart the application server.
Root Cause
A Red Hat4.8 application server may fail to respond when loading a driver. The same symptom occurred when it was interconnected with a peer vendor's storage device.

It is concluded that an Red Hat4.8 inherent defect led to a not responding application server when the application server attempted to load an HBA driver after the driver had been uninstalled.

Solution
N/A
Suggestions
Do not unnecessarily load or uninstall drivers to or from application servers. Restart the application server if it is not responding when loading/uninstalling a driver.

END