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Modifying Configurations Led to a Failure to Detect LUNs When an Emulex LPe111 HBA Was Connected to an FC Host Port Through a DAS Network

Publication Date:  2014-12-29 Views:  49 Downloads:  0
Issue Description
The storage device and the application server were on a DAS network as shown below:


When the storage device was connected to the application server by using such a network, performing any of the following operations resulted in a failure to detect LUNs:
Change the FC host port mode.
Remove and reinsert optical fiber connecting the FC host port to the application server.
Connect the application server to another FC host port on the storage device.
Alarm Information
N/A
Handling Process
Download the driver for Emulex LightPulse LPe111 HBA 5.01.20.04-1from http://www.emulex.com/ and upgrade the Emulex LightPulse LPe111 HBA to 5.01.20.04-1.
Root Cause
The storage device was connected to Emulex LightPulse LPe111 HBA through a DAS network. The incompliance of the Emulex LightPulse LPe111 HBA with the FC protocol led to a failure to detect LUNs when configurations were modified.

Suggestions
When encountering such a problem, contact Emulex technical support personnel for assistance.

END