HP UPS Management Module Installation and Configuration Guidelines for VMware ESX

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Introduction ......................................................................................................................................... 2

Procedure overview .......................................................................................................................... 2

VMware ESX hardware configuration options ......................................................................................... 3

UPS directly connected to multiple VMware ESX servers ........................................................................ 4

UPS directly connected to a single VMware ESX server ......................................................................... 5

UPS directly connected to a single VMware ESX server and a SAN ....................................................... 6

HP power software components............................................................................................................. 7

Installing the HPMM ......................................................................................................................... 7

Installing the agents .......................................................................................................................... 7

Configuring VMware ESX settings .......................................................................................................... 8

Configuring the HPMM ...................................................................................................................... 11

HP/VMware startup strategy ............................................................................................................... 16

SDScript file modification example ....................................................................................................... 17

Summary .......................................................................................................................................... 17

For more information .......................................................................................................................... 18

HP UPS Management Module Installation

and Configuration Guidelines for VMware

Summary of content (18 pages)

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HP UPS Management Module Installation and Configuration Guidelines for VMware Introduction ......................................................................................................................................... 2 Procedure overview .......................................................................................................................... 2 VMware ESX hardware configuration options .........................................................................................
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Introduction The HP UPS Management Module (HPMM) 2.x or later software components can be installed in a VMware ESX environment to perform a graceful shutdown of the host server and guest operating systems. In the event of a power failure: 1. The HPMM receives power failure information from the UPS. 2. The HPMM executes a shutdown command to the VMware Service Console on which the UPS Power Protection Linux Agent is installed. 3.
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Figure 1.
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UPS directly connected to multiple VMware ESX servers In this configuration, install the HPMM UPS Power Protection Linux Agent on each VMware server on the Service Console layer. The UPS has an HPMM installed. Figure 2. UPS directly connected to multiple VMware ESX servers Item Description 1 Virtual Console machine 2—3 VMware servers—The HPMM UPS Power Protection Linux Agent is installed on the Service Console layer. 4 UPS—The HPMM is installed.
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UPS directly connected to a single VMware ESX server In this configuration, install the HPMM UPS Power Protection Linux Agent on each VMware server on the Service Console layer. Each UPS has an HPMM installed. Figure 3. UPS directly connected to a single VMware ESX server Item Description 1 Virtual Console machine 2 VMware servers—The HPMM UPS Power Protection Linux Agent is installed on the Service Console layer. 3 UPSs—The HPMM is installed.
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UPS directly connected to a single VMware ESX server and a SAN In this configuration, install the HPMM UPS Power Protection Linux Agent on each VMware server on the Service Console layer. Each UPS has an HPMM installed. Figure 4. UPS directly connected to a single VMware ESX server and a SAN Item Description 1 Virtual Console machine 2 VMware servers—The HPMM UPS Power Protection Linux Agent is installed on the Service Console layer.
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HP power software components Before installing the software components, be sure that the UPS is properly cabled to the virtual machine. Installing the HPMM One HPMM is needed for each UPS in the configuration. Specific features of the HPMM include: • Controlling security and authentication. • Performing specified actions when alarms are set or cleared. • Performing a graceful, remote shutdown of the guest operating systems and the VMware server after a specified delay. • Maintaining event logs.
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Configuring VMware ESX settings For each VMware server in your configuration, you must configure the startup and shutdown settings for each guest operating system. Note: Depending on your VMware ESX version, the steps and screens described in this section might vary. You can configure the automatic startup and shutdown properties, as well as the delay settings for the guest operating systems.
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The Virtual Machine Startup and Shutdown properties window appears. Figure 6. Virtual Machine Startup and Shutdown properties window 3. Select the Allow virtual machines to start and stop automatically with the system checkbox. 4. To have the operating system start after a brief delay, enter a Default Startup Delay time. The startup delay allows time for VMware Tools or the booting system to run scripts. 5.
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IMPORTANT: Careful consideration should be used when configuring shutdown delays in VMware. These delays are in addition to the shutdown time configured in HPMM. For simplicity, HP recommends that the VMware shutdown delay be set to zero. You can use the delay time on the HPMM menu to manage delayed shutdown time. CAUTION: You must enter a time value in the Shutdown Delay field when you change the shutdown action or you cannot save the changes.
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Configuring the HPMM After the HPMM and its software components are installed: 1. Open a browser to the IP address of the Service Console on which the HPMM is installed: https://ipaddress The Login screen appears. 2. Log in to the HPMM with a user name and password. The default credentials are admin/admin. After a successful login, the Overview screen appears. Note: Depending on the specific UPS model, this screen will vary. Figure 8. Overview screen 3.
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IMPORTANT: Be sure that the time listed as Shutdown Time for Entire UPS includes enough time to gracefully shutdown each guest operating system and the VMware server. Note: Depending on the specific UPS model, this screen will vary. Figure 9. Attached Devices screen 4. Click Add New Device. The Add / Edit Attached Device screen appears. Note: Depending on the specific UPS model, this screen will vary.
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Figure 10. Add / Edit Attached Device screen 5. On the Edit/Delete Device screen: a. Enter the VMware server name or description in the Description field. b. Select the type of device in the Type dropdown box: – Remote Agent—Select Remote Agent when communicating with an agent through a network connection. – Serial Agent—Select Serial Agent when communicating with an agent through a serial connection.
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f. Select the Run Event Procedure checkbox to execute the event handling script on the server on which the agent is installed and running. While the SDScript executes during a shutdown event, the EVScript executes during a UPS event. You can modify the script content to enable actions such as logging events in the system log and sending messages to a recipient. g. Enter the total estimated time required to shut down the VMware server.
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The Advanced tab on the Power Fail screen appears. Figure 12. Advanced tab on the Power Fail screen 9. Use the Advanced tab on the Power Fail Settings screen to configure the advanced power fail settings. Important: If you are using the advanced power fail settings, be sure to select the advanced radio button on the Basic tab to activate the advanced settings. 10. Click Save Settings.
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HP/VMware startup strategy Figure 13. Startup strategy UPS startup UPS on Load segments turned on VMware/HPMM VMware startup VM1 VM2 VM3 *Delay VM4 *Virtual machines are started in staggered mode to avoid CPU and disk input/output contention.
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SDScript file modification example If the virtual machines do not shut down before the VMware server shuts down, you might receive the following warning: Stopping VMware ESX Server services: mkload_mod PANIC: vmfs3: Device or resource busy To ensure that the virtual machines are properly shut down, you can modify the SDScript. For example, to shut down a VMware ESX 3.0.1 server with one Microsoft® Windows® 2003 virtual machine and one Red Hat Enterprise Linux 4.
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For more information To learn more about the HP UPS Management Module, see the HP website at http://www.hp.com/go/rackandpower. To learn more about VMware, see the HP website at http://www.hp.com/go/vmware. © Copyright 2008, 2010 Hewlett-Packard Development Company, L.P. 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.