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HP-UX 11i Version 2 June 2007 Release Notes: HP 9000 and HP Integrity Servers > Chapter 5 General System Administration
HP Partitioning and Virtual Server Environment |
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HP offers a full line of hardware and software partitioning capabilities, including nPartitions, virtual partitions, and HP Integrity Virtual Machines. The HP Virtual Server Environment (VSE) builds on HP partitioning products and the VSE Management Software to help you maximize the use of your server resources in response to changing business needs. The HP-UX Operating Environments include WBEM providers and agent software that enable your systems to operate in the VSE. The VSE Management Software is not included in the Operating Environments, but is available for download from the following Web site: http://docs.hp.com/en/vsemgmt/ HP Application Discovery (amgr), version 3.0.00, provides system administrators and operators with a convenient graphical user interface for browsing an inventory of applications and processes running within a computing network. Screens show the data by host and by application, and you can monitor resource usage at the level of individual processes within an application. In addition, Application Discovery provides automatic detection of several types of application events. It also provides a template editor so that you can define applications for discovery and addition to monitored and managed workloads in VSE Virtualization Manager. Version 3.0.00 of Application Discovery is newly integrated into the Virtual Server Environment, which is available from HP Software Depot at http://hp.com/go/softwaredepot. The Application Discovery agent (AppDiscAgent) is available with the software and here on the OE media. AppDiscAgent. Starting with the June 2007 release, the Application Discovery agent is default-installed on the OE media, and is also available from the AR media. Install AppDiscAgent on each managed system where you have applications and installed software that you want to inventory and monitor. The agent securely supplies data to Application Discovery server at intervals that can be set by a system administrator. Defect fixes also have been incorporated into this release. With Application Discovery, you will have expanded capability when defining workloads for resource management, and will have a view into application resource usage at a level not previously available. Using AppDiscAgent 3.0.00 with previous versions of Application Discovery server is not supported. AppDiscAgent 3.0.00 requires the presence of Web-Based Enterprise Management (WBEM) services, Secure Shell (SSH), and OpenSSL for correct operation and secure data transmission. Consult the VSE Management Software Installation and Update Guide, Version A.03.00.00 for details (with the software or online at http://docs.hp.com/en/vse.html). Application Discovery requires a “warmup period,” during which the agent collects the initial set of data for a managed node. The degree to which “warmup” affects memory usage by Application Discovery server on the central management system depends on the number of managed nodes that are inventoried at the same time.
HP Global Workload Manager (gWLM), a component of the HP Virtual Server Environment (VSE) Suite, allows you to centrally define resource-sharing policies that you can use across multiple HP servers. These policies increase system utilization and facilitate controlled sharing of system resources. In addition, gWLM provides both real-time and historical monitoring of the resource allocation. gWLM has three components:
To continue using gWLM agents after a free-use period has ended, you must install a license on each managed node. It is also available as part of the VSE LTU (T2786AC), which enables you to use gWLM and all the other components of the VSE suite. This release of gWLM includes the following changes:
gWLM A.03.00.00.x provides more flexibility in managing your systems. Linux managed nodes are no longer supported. For further information, see the following:
HP Process Resource Manager (PRM) C.03.03.01 provides an efficient and flexible way to manage resource allocation at times of peak system load. It gives the system administrator the ability to group users or processes together and guarantee each group minimum amounts of the total CPU, real memory, and disk bandwidth available. HP PRM has been updated to version C.03.03.01 with the following changes:
PRM is designed to set resource allocations (CPU, memory, disk bandwidth) for applications. Misconfiguration can result in degradation. For further information, see the following:
HP-UX Virtual Partitions (vPars) A.04.04 enables multiple instances of the HP-UX 11i v2 Operating Environment (OE) to run simultaneously on one server or within one nPartition, with each OE instance hosting its own set of applications in a isolated environment. When vPars A.04.04 is available, it can be purchased at the HP-UX Virtual Partitions (T1335BC) Web site at Software Depot: http://software.hp.com/portal/swdepot/displayProductInfo.do?productNumber=T1335BC vPars A.04.04 provides support for the following:
For detailed info, please see the HP-UX Virtual Partitions Release Notes for A.04.04, available at http://docs.hp.com/en/hpux11iv2.html#Virtual%20Partitions. Software Depot Web Site: http://software.hp.com/portal/swdepot/displayProductInfo.do?productNumber=T1335BC Documents: The nPartition Provider, version B.01.03, is the HP-UX WBEM Services provider for nPartition-related information on partitionable systems. This product is used by Partition Manager and the partition commands to configure and manage HP systems that support nPartitions. With this component, partitionable systems can be managed both locally and remotely. The nPartition Provider product is only used through a WBEM interface. It is not invoked directly by the user. nPartition Provider has been updated to version B.01.03 with several defect fixes that will improve the overall quality of the product. You should be aware of the following items that may affect performance:
Complete information is in the nPartition provider product data sheet, installed as /opt/nparprovider/doc/nParProviderDataSheet.html The PRM Libraries (B7697BA) is now known as PRMKernelSW. PRMKernelSW (version C.03.03.01) contains only the PRM kernel fileset, PRM-Sw-Krn. The version number for the PRM-Sw-Krn fileset is still C.01.04. The only change is that the fileset is now in PRMKernelSW. For further information, see the following documentation, available at http://docs.hp.com/hpux/ha/index.html#Process%20Resource%20Manager:
The PRMLibraries (B7697BA) product that contained only the PRM kernel fileset, PRM-Sw-Krn, is now known as PRMKernelSW. The PRMLibraries product (version C.03.03.01) now contains the PRM API. The previous content of this product is now in the PRMKernelSW product. This product now contains an API. For further information, see the following documentation, available at http://docs.hp.com/hpux/ha/index.html#Process%20Resource%20Manager:
The Utilization Provider version A.01.06.xx.xx is a lightweight daemon (utild) that records system-utilization data on a 5-minute interval. System-utilization data includes CPU, memory, disk, and network. This product also includes a WBEM provider for access to the utilization data. The Utilization Provider has been updated to version A.01.06.xx.xx to include defect fixes and support for new features of the VSE Management Software. Utilization Provider now provides support for Application Discovery and ServiceGuard failover. The latest updates to the VSE Management Software agents and providers, including the Utilization Provider, can be downloaded from the HP VSE Managed Node Software Update Web site at When Utilization Provider is installed, it launches the utild daemon, which consumes minimal CPU, memory, and disk resources. Up to 30 days of utilization data are kept in data files in /var/adm/util. The total disk space used by these files should not exceed 20MB in the default utild installation. The Virtual Server Environment (VSE) Management Software, running on an HP Systems Insight Manager Central Management Server, requires the Utilization Provider to be running on all managed systems. If the Utilization Provider is removed, the system cannot be managed by the VSE Management Software. This version of the Utilization Provider depends on HP WBEM Services for HP-UX version A.02.00.11 or later. The utild process wakes up every 5 minutes and discovers and records the four metrics (CPU, memory, disk, and network). This discovery has minimal impact on system performance. The utild daemon is described in the utild(1M) manpage. WBEM schema (MOF files) are installed in /opt/util/mof For more information about the VSE Management Software and Utilization Provider, see the VSE Management Software Web site at The HP-UX vPar Provider is a HP WBEM Services for HP-UX provider introduced in the HP-UX 11i v2 release for extracting information about virtual partitions on a system. As it is a read-only provider, clients cannot modify virtual partition configurations. This provider can be used through a Web-based Enterprise Management (WBEM) interface. The vPar Provider always gets the data from the default virtual partition database located at /stand/vpdb or from the database where virtual partitions are booted from. The vPar Provider talks to the nPar Provider to get information of I/O assigned to virtual partitions and to determine whether or not it is running on an nPar. If the nPar Provider is down, then it will not provide this information. The vPar Provider uses the namespace root/cimv2/vpar. The vPar Provider library and Managed Object Format (MOF) files are stored under /opt/vparprovider/lib and /opt/vparprovider/mof directories respectively. The vPar Provider is delivered as a library (/opt/vparprovider/lib/libHPVParProvider.1) through the vParProvider bundle. It depends on the HP WBEM Services for HP-UX product.This release of vPar Provider is supported on all HP server systems that support HP-UX Virtual Partitions (vPars). This release of vPar Provider provides defect fixes for improving product performance. The /opt/vparprovider/doc directory contains the vPar Provider Release Notes and data sheet. |
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