HP P2000 HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903
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- HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 1
HP StorageWorks MSA System MPIO DSM Installation Guide Part number: 590337-003 First edition: February 2010 - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 2
statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Acknowledgements Microsoft and Windows are U.S. registered trademarks of Microsoft - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 3
2003 to Windows 2008 5 Installing and Configuring the Windows Server 2008 MPIO DSM for HP StorageWorks P2000 G3 systems 6 Installing on Windows Server 2008 Prior to R2 6 Installing on Windows Server 2008 R2 6 Installing and Configuring the Windows Server 2008 MPIO DSM for HP StorageWorks MSA2000 - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 4
4 - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 5
after the MPIO DSM is installed. While the MPIO DSM you install works with both HP StorageWorks P2000 G3 systems and HP StorageWorks MSA200 G1 and G2 systems, the installation instructions differ between G3 systems and previous systems. Upgrading From Windows Server 2003 to Windows 2008 If you have - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 6
to the host. Installing and Configuring the Windows Server 2008 MPIO DSM for HP StorageWorks P2000 G3 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 - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 7
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 - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 8
to diagnose and troubleshoot the DSM. After initial installation of the MPIO DSM, use Device Manager to verify that it has installed correctly. If the MPIO DSM was installed correctly, each P2000 and G3 MSA2000 storage volume visible to the host will be listed as a multi-path disk drive as shown in - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 9
FC ports to the same server is not supported. So the server recognizes the HP StorageWorks G3 P2000 G3 MSA System FC/iSCSI storage system as either an FC or iSCSI system but not both. Installation Requirements The MPIO DSM requires the following software: • Windows Server 2003 (Service Pack 2) HP - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 10
Downloading the MSA System MPIO DSM 1. Download the MSA System MPIO DSM software bundle from http://www.hp.com/go/p2000. 2. Select MSA SAN Arrays and select your product. 3. Under Support, select HP Support & Drivers. 4. Select your product and then select Download drivers and software. 5. Select - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 11
command displays a help file with available dsmcli command options. The clear command clears the performance counters. Performance of currently supported load balance default, failback is enabled when the device is in FailOver mode.elp. HP StorageWorks MSA System MPIO DSM Installation Guide 11 - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 12
2 N/A pathinfo The pathinfo command displays path information or enables you to change the status of the path. To display information about all paths, run the following command: pathinfo HbaWWPN (initiator's ID) and CtrlPortWWPN (controller port's ID) are the two end points of a path. 12 - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 13
the worldwide port name of perform the I/O operation. Primary: True = active • Standby - The path will perform the I/O operation if the active path fails. Primary: False = standby • Failed - You can fail the path to simulate the physical error. HP StorageWorks MSA System MPIO DSM Installation Guide - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 14
command displays the currently supported load balance policies. Each LUN can have its own load balance policy. Possible values include the following: • FailOver - No load balancing is performed round-robin fashion. • RoundRobinWithSubset - In configurations where some I/O paths are faster than others - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 15
02010104 0 true 02000104 10000000C92F464E 217000C0FF0A4052 Online 193536 1871360 93 1752 weight The weight command sets the weight of the specified path. I/O is sent to the path the assigned weight. The recommended weight range is 0-100. HP StorageWorks MSA System MPIO DSM Installation Guide 15 - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 16
weight command is valid only when the weighted load balance policy is available (see "policies" on page 14 for the list of currently supported load 55 23 mpiolist The mpiolist command displays specified MPIO WMI objects. It shows the information of the local host only. mpiolist WMI_object where: - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 17
better support for SAN and multipath configurations. The pgr command shows whether the DSM is currently using SCSI-3 Persistent commands and the PGR key. If the pgr command is enabled, the DSM uses SCSI-3 Persistent commands. If the command is HP StorageWorks MSA System MPIO DSM Installation Guide - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 18
specifies that the DSM use SCSI-2 Reserve and Release commands pgr list The pgr list command displays the current persistent reservation status for all disk drives as seen by the current host. This information is used by service technicians when troubleshooting a problem. Example dsmcli> pgr - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 19
redundancy," ensure that the dmaadmin service is not running at the time of MPIO installation. • Other port filter drivers may interfere with the proper function of MPIO solutions. Microsoft does not recommend the use of these drivers. HP StorageWorks MSA System MPIO DSM Installation Guide 19 - HP P2000 | HP StorageWorks P2000 G3 MSA System MPIO DSM Installation Guide (5903 - Page 20
value. • 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. For more information, refer to Configuring MPIO Timers at: http://technet.microsoft
HP StorageWorks
MSA System MPIO DSM
Installation Guide
Part number: 590337-003
First edition: February 2010