HP P2000 HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 7

NOTE: The mpclaim -n option avoids rebooting. The MPIO software is installed. 2. If you plan on using MPIO with a large number of LUNs, configure your Windows Server Registry to use a larger PDORemovePeriod setting. • If you are using a Fibre Channel connection to a Windows server running MPIO, use a value of 90 seconds. • If you are using an iSCSI connection to a Windows server running MPIO, use a value of 300 seconds. See "Long Failover Times When Using MPIO with Large Numbers of LUNs" on page 20 for details. Once the MPIO DSM is installed, no further configuration is required; however, after initial installation, you should use Windows Server 2008 Device Manager to ensure that the MPIO DSM has installed correctly as described in "Managing MPIO LUNs" on page 8. Installing and Configuring the Windows Server 2008 MPIO DSM for HP StorageWorks MSA2000 G1 and G2 systems Perform the following steps to install and configure the native MPIO DSM included with Windows Server 2008. Installing on Windows Server 2008 Prior to R2 1. Open a command prompt window and run the following command: servermanagercmd -install multipath-io mpclaim -r -i -d "HP MSA2" IMPORTANT: There must be exactly six spaces between HP and MSA2. As soon as the mpclaim command completes, the host will be rebooted. The MPIO software is installed. 2. If you plan on using MPIO with a large number of LUNs, configure your Windows Server Registry to use a larger PDORemovePeriod setting. • If you are using a Fibre Channel connection to a Windows server running MPIO, use a value of 90 seconds. • If you are using an iSCSI connection to a Windows server running MPIO, use a value of 300 seconds. See "Long Failover Times When Using MPIO with Large Numbers of LUNs" on page 20 for details. 1. Once the MPIO DSM is installed, no further configuration is required; however, after initial installation, you should use Windows Server 2008 Device Manager to ensure that the MPIO DSM has installed correctly as described in "Managing MPIO LUNs" on page 8. Installing on Windows Server 2008 R2 Microsoft has deprecated servermanagercmd for Windows Server 2008 R2 so you will use the ocsetup command instead. 1. Open a command prompt window and run the following command: ocsetup MultipathIo /norestart mpclaim -n -i -a NOTE: The mpclaim -n option avoids rebooting. The MPIO software is installed. HP StorageWorks MSA System MPIO DSM Installation Guide 7