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After the application server installing the ULtraPath, scans the LUN, there finds the double disk letter

Publication Date:  2012-11-26 Views:  3 Downloads:  0
Issue Description
In the site, a S2600 builds the network via the switch IP-SAN multi-path, the host is win2003, after the application server installing the UltraPath, we find the double disk letter in the application server while scanning the LUN mapped from the storage device.

Alarm Information
Handling Process
Login the host, and we find:
The application server has installed the multi-path software UltraPath in several catalogs.
Uninstall the redundant multi-path software UltraPath in the application server, and retains just only one catalog.

Root Cause
The multi-path software hasn’t been installed successfully.

Install the multi-path software UltraPath repeatedly, and causes the multi-path software happening conflict, the application server can’t find the storage device normally.