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HP MPIO Installation And Reference Manual

Full featured device specific module (dsm) for eva4x00/6x00/8x00 family of disk arrays
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installation and reference guide
HP MPIO Full Featured DSM for
EVA4x00/6x00/8x00 family of Disk
Arrays 3.00.00
Part number: AA-RW7SJ-TE
First edition: February 2008

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Table of Contents
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  Summary of Contents for HP MPIO

  • Page 1: Installing The Hp Mpio Full Featured Dsm For Eva4X00/6X00/8X00 Family Of Disk Arrays

    HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 family of Disk Arrays 3.00.00 Part number: AA-RW7SJ-TE First edition: February 2008...
  • Page 2 U.S. Government under vendor’s standard commercial license. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty.
  • Page 3: Table Of Contents

    HP technical support ........
  • Page 4 B Multipathing driver event log messages ....MPIO.SYS event log messages ....... .
  • Page 5 6 Multi-Path Disk Device Properties page ..... . . 7 MPIO Path Details page ......
  • Page 6 ......5 HP MPIO EVA DSM event log messages ..... .
  • Page 7: About This Guide

    Support for load balancing in Microsoft Cluster Server (MSCS)/Failover Cluster environments • Managing HP MPIO EVA DSM Intended audience This document is intended for users of HP MPIO EVA DSM and users who are experienced with the following: • Microsoft Windows Server 2003 (x86, IA64 and x64) •...
  • Page 8: Document Conventions And Symbols

    Element Medium blue text: Related Cross-reference links and e-mail addresses documentation Medium blue, underlined text Web site addresses (http://www.hp.com) • Key names • Text typed into a GUI element, such as into a box Bold font • GUI elements that are clicked or selected, such as menu and list...
  • Page 9: Hp Technical Support

    For the name of your nearest HP-authorized reseller: • In the United States, call 1-800-282-6672. • Elsewhere, visit the HP web site: http://www.hp.com. Then click Contact HP to find locations and telephone numbers. Helpful web sites For other product information, see the following HP web sites: •...
  • Page 10 About this guide...
  • Page 11: Installing The Hp Mpio Full Featured Dsm For Eva4X00/6X00/8X00 Family Of Disk Arrays 1

    EVA4x00/6x00/8x00 family of Disk Arrays HP MPIO Full Featured Device Specific Module (DSM) for EVA Disk Arrays (HP MPIO EVA DSM) provides multipathing support for HP StorageWorks EVA disk arrays on Windows platforms using the Microsoft Multipath Input-Output (MPIO) framework. This chapter describes the following: •...
  • Page 12: Installing Hp Mpio Eva Dsm

    • Installing HP MPIO EVA DSM on cluster configurations Installing HP MPIO EVA DSM on stand-alone systems You can install this software prior to attaching the hardware. To install the HP MPIO EVA DSM on a stand-alone system, complete the steps below:...
  • Page 13: Installing Hp Mpio Eva Dsm On Cluster Configurations

    To install HP MPIO EVA DSM on each member of a cluster configuration, complete the steps below: NOTE: In a cluster configuration, HP MPIO EVA DSM must be installed on one node at a time for all nodes of the cluster.
  • Page 14: Migrating From Windows Server 2003 To Windows Server 2008 With Hp Mpio Eva Dsm

    NOTE: In a cluster configuration, HP MPIO EVA DSM must be upgraded on one node at a time for all nodes in the cluster. Complete the pre-installation checklist (Table 2) and the pre-installation procedure. Using Cluster Administrator: Move all cluster resources owned by the current node to another node in the cluster.
  • Page 15: Using Silent Installation

    Silent installation can be run from the installation location on your computer or from a network drive. It installs the HP MPIO EVA DSM with little intervention. Silent installation is useful if you are installing the software on a large number of servers that require software installation.
  • Page 16: Installing Hp Mpio Eva Dsm

    (""). Installing HP MPIO EVA DSM To perform a silent installation of HP MPIO EVA DSM, complete the steps below: Make a copy of the new.iss file in the installation kit. Rename this copy of the file as setup.iss Choose one of the following options: •...
  • Page 17: Upgrading Hp Mpio Eva Dsm

    In line 51, replace BootOption=3 with BootOption=0. Upgrading HP MPIO EVA DSM To upgrade from a previous version of HP MPIO EVA DSM to the current version, complete the steps below: Make a copy of the update.iss file in the installation kit.
  • Page 18: Setting Up Boot From San

    Use this setup.iss file to perform the same silent mode operation on multiple systems across the same platform. Setting up boot from SAN HP MPIO EVA DSM can be set up to boot externally from a SAN that uses HP StorageWorks HBAs and RAID arrays. Booting externally offers the following advantages: •...
  • Page 19: Support For Load Balancing In Failover Cluster Server Environment For Windows Server 2008

    This is because the strong reservation type (persistent reservations) supports load balancing in clusters. You can use the persistent reservations clear utility that comes with the HP MPIO EVA DSM package to remove the stray reservations. For more information on how to use this utility, see...
  • Page 20 Support for load balancing in Failover Cluster Server environment for Windows Server 2008...
  • Page 21: Support For Load Balancing In Microsoft Cluster Server Environment For Windows Server 2003

    HP MPIO EVA DSM supports load balancing in MSCS environments only under the following conditions: • All nodes in the cluster must have the same version of the HP MPIO EVA DSM installed. • Support for load balancing in MSCS environments must be enabled on all cluster nodes in the HP MPIO EVA DSM.
  • Page 22: Disabling Support For Load Balancing In Mscs Environments

    Once all the nodes in the cluster have the support for load balancing in MSCS enabled, you can change the load-balancing policy for the cluster device(s) using the HPDSM CLI or HP MPIO DSM manager. Disabling support for load balancing in MSCS environments...
  • Page 23: Recovering Inaccessible Disk Devices

    SCSI-2 reservations. In such cases (as part of step 1 in the above sections), HP recommends that you move the cluster resources to the set of nodes that has the majority reservation. Recovering inaccessible disk devices If there is a stray reservation on a disk device, the device becomes inaccessible to the host systems connected to it.
  • Page 24 Support for load balancing in Microsoft Cluster Server environment for Windows Server 2003...
  • Page 25: Adaptive Load Balance

    • The ALB setting for a given LUN is persistent across host system reboots. You can modify (enable/disable) the ALB setting for a given LUN either through the HP MPIO DSM Manager or the HP DSM CLI. See Managing storage arrays with HP MPIO EVA DSM CLI utility more information.
  • Page 26 Adaptive Load balance...
  • Page 27: Managing Storage Arrays Using The Hp Mpio Eva Dsm With The Cli Utility

    5 Managing storage arrays using the HP MPIO EVA DSM with the CLI utility The command line interface utility (CLI) of HP MPIO EVA DSM enables you to monitor and manage multipathing devices. This chapter describes the following CLI commands: • hpdsm devices •...
  • Page 28: Hpdsm Devices All

    The RTP column shows the target port information as defined by SCSI-3 specification. • The Controller Port# column shows the controller serial number followed by target port number. Managing storage arrays using the HP MPIO EVA DSM with the CLI utility...
  • Page 29: Hpdsm Set Device Policy

    Change Load Balance policy (y/n)? Load Balance policy changed. Verify by issuing “hpdsm devices” command. Example: hpdsm set device=all policy=rr Successful for all the devices. Verify by issuing “hpdsm devices” command. HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 family of Disk Arrays 3.00.00...
  • Page 30: Hpdsm Set Device Alb

    Syntax: hpdsm cleanup device=all The hpdsm cleanup device command allows you to clean up the failed path information for a specified device x, as shown in the example below. Example: Managing storage arrays using the HP MPIO EVA DSM with the CLI utility...
  • Page 31: Hpdsm Notify

    HPDSM_ALL_NOTIFICATIONS framework and DSM occurs. The above notifications are sent by the HP MPIO EVA DSM and MPIO framework to the CLI. The CLI displays the event in the command window as shown in the following example. HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 family of Disk Arrays 3.00.00...
  • Page 32: Hpdsm Help

    Received Moved to STATE_NORMAL from MPIO Disk(19) Received HPDSM_ADDITIONAL_PATH : 600508B400101F6A000070001DA10000;(2.0.6.3);from hpeaadsm Received HPDSM_ADDITIONAL_PATH : 600508B400101F6A000070001E160000;(2.0.6.4);from hpeaadsm hpdsm help Syntax: hpdsm help The hpdsm help command displays help information for the CLI. Managing storage arrays using the HP MPIO EVA DSM with the CLI utility...
  • Page 33: A Software Components

    The HP MPIO EVA DSM command line interface (HPDSM.EXE) enables you to monitor and manage HP DSMs in an MPIO environment. NOTE: To manage the HP MPIO EVA DSM 3.00.00 and later, use HP MPIO DSM Manager 3.00.00 or later. HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 family of Disk Arrays 3.00.00...
  • Page 34: Hp Mpio Eva Dsm Performance Monitoring Provider

    The HP MPIO EVA DSM persistent reservations clear utility enables you to view and clear reservations on the disk(s) that are left behind due to incorrect installation or removal of the HP MPIO EVA DSM or an unsuccessful cluster node failover.
  • Page 35: Hpprutil Help

    Attempting to clear the reservation on device 2... Successfully cleared the reservation on device. hpprutil help Syntax: hpprutil help The hpprutil help command displays help information for hpprutil. HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 family of Disk Arrays 3.00.00...
  • Page 36 Software components...
  • Page 37: B Multipathing Driver Event Log Messages

    B Multipathing driver event log messages This appendix lists the event log messages for HP MPIO EVA DSM drivers and provides a description of each message. The error log messages are written in the SYSTEM log file. This appendix provides information about the following event log messages: •...
  • Page 38 This may indicate can be reached through a newly a path failure. found path. The internal state of device_object is MPIO is unable to run through its inconsistent. This maintained list of pseudo-LUNs. indicates potential failures in this support. A failover attempt on a A fail-over on pseudo-LUN pseudo-LUN has failed.
  • Page 39: Hp Mpio Eva Dsm Event Log Messages

    DSM failed the operation. HP MPIO EVA DSM event log messages Table 5 lists the HP MPIO EVA DSM event log messages and provides a description of each message. Table 5 HP MPIO EVA DSM event log messages Event ID Message...
  • Page 40 An unrecoverable failure unrecoverable failure of a multipath capable disk, has occurred on multipath and requests MPIO not to support this disk going capable disk X. This disk forward. Please check the status of the multipath will henceforth not be capable disk at the array end.
  • Page 41: C Managing Mpio Devices Using Microsoft-Provided Interfaces On Windows Server 2008

    Windows Server 2008. Beginning with Microsoft Windows Server 2008, Multipath I/O (earlier called MPIO framework) is provided as an operating system feature. Along with the feature, a few interfaces are provided to enable you to manage the MPIO framework and devices. Microsoft also supplies an inbox Microsoft DSM (MS DSM), which provides multipath support for SCSI-3 compliant disk devices.
  • Page 42: Discover Multi-Paths

    To manually disable support for a device, select a Device Hardware ID and click Remove. Discover Multi-paths In the MPIO Properties page, click the Discover Multi-Paths tab. This tab displays the Device Hardware IDs of the devices that support multipathing, which are currently not managed but supported by MPIO.
  • Page 43: Dsm Install

    All devices with this hardware ID are handled by a DSM (either a vendor-supplied DSM or MS DSM). DSM Install In the MPIO Properties page, click the DSM Install tab. This tab enables you to install a vendor-supplied DSM. While installing a DSM, you must specify the driver path, the INF file name, and the DSM Hardware ID.
  • Page 44: Managing Multipath Disk Devices

    Managing multipath disk devices Microsoft provides a generic user interface to manage the disk devices that are controlled by MPIO. This interface, which can be accessed through the Multi-Path Disk Device Properties page, under the MPIO tab, enables you to perform basic disk and path management.
  • Page 45: Multi-Path Disk Device Properties Page

    Figure 4 Multi-Path Disk Device Properties page Select the MPIO tab. The Properties page displays all information about the selected device (such as Load Balance Policy, DSM Name, number of paths, and path-related information). You can modify the Load Balance Policy of the device by selecting the appropriate policy from the drop-down menu.
  • Page 46: Multi-Path Disk Device Properties Page

    Figure 5 Multi-Path Disk Device Properties page NOTE: • HP DSM does not support all the load balance policies listed in the drop-down menu. • The names of the load balance policies as listed in the drop-down menu may differ from that used by the HP DSM CLI and HP MPIO DSM Manager.
  • Page 47: Multi-Path Disk Device Properties Page

    Modifying the timer counters for the DSM may result in unexpected system behavior. HP recommends that you do not modify these counters before consulting the HP Service personnel. To change the path state, select the path and click Edit. The MPIO Path Details page for the path displays.
  • Page 48: Mpio Path Details Page

    Figure 7 MPIO Path Details page Managing MPIO devices using Microsoft-provided interfaces on Windows Server 2008...
  • Page 49: D Troubleshooting

    D Troubleshooting This appendix discusses some of the common problems that you may encounter while using the HP MPIO DSM. It also describes how to troubleshoot these problems. Problem: HP MPIO DSM fails to load and displays a yellow-bang in the Device Manager screen.
  • Page 50 Troubleshooting...
  • Page 51: Glossary

    Standby — Intermediate state of the path before it is initialized (made ready for device access), normally will not be seen. • Failed — Path is currently unusable for the I/O stream. HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 family of Disk Arrays 3.00.00...
  • Page 52 port A The relative number of an HBA. A specific port number is determined according to its order of discovery by the Windows operating system. HBA’s include SCSI, Fibre Channel, and IDE adapter types. Storage Area Network. A configuration of networked devices for storage. state An attribute that describes the current operational condition of an object.
  • Page 53: Index

    33 replacement class, 33 text symbols, 8 Subscriber’s choice web site, 9 web sites documentation, 7 HP Subscriber’s choice, 9 installation silent, 15 installing Multipathing software, 12 HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 family of Disk Arrays 3.00.00...