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Windows fail to discover LUN after FC port reset in S5600T

Publication Date:  2012-12-25 Views:  130 Downloads:  0
Issue Description
After reboot FC interface in S5600T, the path in host side can not be detected, while in storage side, it becomes normal
Alarm Information
N/A
Handling Process
N/A
Root Cause
step 1: Topology is shown below


step 2: restart FC port in host side, all IO paths between host and storage can be detected normally, it suggests the device is fine

step 3: check in FC switch SNS2120, a flag IO stream guard is set as disable

if it’s disabled, the RSCN signal is depressed, and the host side can not know the FC port in storage side is active, and does not establish FC path to the port

Step 4: modify the flag IO Stream guard to auto, and FC paths recover.



Suggestions
N/A

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