HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 family of Disk Arrays 4.00.00 installation and reference guide (AA-RW7SN-TE, October 2009)

Solution: Run the following commands from the command prompt pointed to the folder "C:\Program
Files\Common Files\Hewlett-Packard\HP MPIO DSM\COMMON FILES\mof" and register the
following mof files:
• mofcomp hpwmi.mof
• mofcomp HPDSMHighPerfProvider.mof
• mofcomp -N:root\wmi LBPolicy.mof
• mofcomp -N:root\wmi mpdisk.mof
• mofcomp -N:root\wmi mpio.mof
• mofcomp -N:root\wmi pdo.mof
nl
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.
Troubleshooting60