HP MPIO Full Featured DSM for XP family of Disk Arrays 4.01.00 installation and reference guide (AA-RVJ6L-TE, September 2010)

Problem: Host does not display devices when you change the configurations of a LUN and/or HBA
from the management application. The configuration changes include adding or removing LUN(s) to
or from the host, or changing the HBA relation.
Solution: Re-scan the host by performing the following steps:
1. Go to Device Manager>Disk drives.
2. Right-click and select Scan for hardware changes.
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Problem:Failover only load balance policy cannot be set using the MPIO property sheet.
Solution: Use HP DSM CLI or HP MPIO DSM Manager to change and view the preferred path setting.
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Problem: The vendor specific load balance policy (Shortest Queue Service Time) may not be displayed
in the MPIO property sheet.
Solution: Use HP DSM CLI or HP MPIO DSM Manager to set the vendor specific load balance policy.
Troubleshooting46