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What are the Workarounds to Redundant Mappings of the S5100 Resources Caused by the Multipathing Software in Red Hat?

Publication Date:  2012-07-18 Views:  43 Downloads:  0
Issue Description
Controllers A and B of an S5100 connect to a switch through management network ports. Meanwhile, each four service network ports of both controllers are respectively assigned a different IP address and network segment for connecting to the switch. After the S5100 is upgraded and then connected to two HBAs on a host where no multipathing software is installed, the host cannot set up access to the S5100. Alarm information: The communication between the host and the S5100 stutters, leading to unstable access to the S5100.
Alarm Information
None
Handling Process
refer to accessory
Root Cause

The potential causes of this problem are as follows:

 1. The host is not installed with the multipathing software.

 2. The multipathing software is incorrectly installed on the host

Suggestions

1. Ensure that the operating system version matches with the multipathing software version.

 2. Ensure that the storage device is correctly mounted.

3. Ensure that the multipathing software is correctly installed.

END