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Release Notes for EMS Hardware Monitors on HP-UX 11i (September 2005)

These release notes cover the September 2005 release of Support Plus for HP-UX 11i.

Note: No tape drives are supported by Online Diagnostics on HP-UX. Although some of the Support Tools Manager (STM) tools may function with tape drives, they are not supported. The diagnostic tools and utilities that support these devices are HP StorageWorks Library and Tape Tools (L and TT). These tools are available at the following site:
http://www.hp.com/support/tapetools

Overview

EMS Hardware Monitors are used to maintain system availability. They enable you to monitor the operation of a wide variety of hardware. They also alert you immediately if any failure or other unusual event occurs. These monitors generate events if something unusual is detected on the hardware they monitor. These events are classified as major, warning, serious and critical on the basis of their severity. Action may be taken based on the severity. Peripheral Status Monitor (PSM) converts hardware events to changes in the device status. This way the monitors provide a high level of protection against system hardware failure. By using hardware event monitoring, you can virtually eliminate undetected hardware failures that could interrupt system operation or cause data loss.

Hardware event monitoring is available on HP-UX 11i and HP-UX 11.0 (IPR 9902 and later).

By default, events will be tracked in the following ways:

All event information will be stored in /var/opt/resmon/log/event.log.

Configuring Hardware Monitoring

EMS Hardware Monitors are installed along with STM. Once the OnlineDiag bundle is installed, the monitoring action starts automatically.

To configure, enable, or disable hardware event monitoring, run the following command: /etc/opt/resmon/lbin/monconfig.

PSM is configured differently using the EMS GUI. For more information, see: http://docs.hp.com/hpux/onlinedocs/diag/ems/ems_gui.htm

Monitors Provided

Following are the monitors provided:

In addition, PSM monitors the current status of the products that are supported by the mentioned list of monitors.

For more information on the products that are supported by monitors, see the "Diagnostics" section of Hewlett-Packard's online documentation Website: http://docs.hp.com/en/diag/ .

Dependencies

Several of the monitors have special requirements, such as patches or certain versions of the firmware. They are as follows:

For more information on the patches required, see the DIAGNOSTIC.readme file for this release.

Current requirements of monitor are described in the Requirements and Supported Products page under "EMS Hardware Monitors" at http://docs.hp.com/en/diag/ems/ems_prod.htm. Requirements are also listed in chapter 2 of the manual EMS Hardware Monitors User's Guide at http://docs.hp.com/en/2512/B6191-90029.pdf.

Changes

Following lists the changes that apply to EMS Hardware Monitors for the September 2005 release:

Changes to Multiple Monitors

Changes to Individual Monitors

Following are the changes that apply to individual monitors:

Changes to Platform and Interface

Customer-viewable Interfaces

Known Problems

CAUTION: UPS monitor may need a patch

In some cases, the UPS monitor (dm_ups) will not function and will instead generate event 45 (formerly event 42) with the following text:

Probable Cause / Recommended Action:
The monitor was unable to locate the fifo pipe that should 
have been created by ups_mond. Therefore, information about the ups cannot be sent to the monitor.
You need version (80.1.2.3) of ups_mond or greater. To update 
your system with the correct version of ups_mond, install the
following patch:

HPUX 11.11      : PHCO_23832

This problem will affect most systems with a UPS when the September 2001 diagnostics are installed. The only systems that are not affected will be those being updated from certain versions of the diagnostics (September 2000 through March 2001) and those which do not have patch PHCO_19040 (HP-UX 11.00) installed.

To fix the problem, install the indicated patch or the HWE patch bundle which contains this patch. For HP-UX 11i, the ups_mond patch PHCO_23832 is also distributed on the Sept 01 OE.

CAUTION: Changes to the monitoring method for disc30, sdisk and disk array devices

Starting with IPR 9902 (Feb 99 release), disc30, sdisk and the HA Disk Array Models 10, 20, and 30FC are monitored differently.

The "diaglogd exec" programs (pdisc30_exec and psdisk_exec) have been deleted and the EMS Hardware Monitors handle driver error entries for these devices.

Formerly, the "diaglogd exec" programs (pdisc30_exec and psdisk_exec) handled driver error entries for these devices.

If you customize the configuration files for the diaglogd exec programs (disk30_exec.cfg and sdisk_exec.cfg), you can re-configure the EMS Hardware Monitors to achieve the same results.

CAUTION:EMS monitors incompatible with ServiceGuard and High Availability (HA) Monitors.

If you install the OnlineDiag bundle (IPR 9912 or later) on a system running older versions of EMS-related products, these products may experience compatibility problems. Affected products include MC/ServiceGuard, ServiceGuard OPS Edition and High Availability Monitors. Critical problems occur with the following versions:

MC/ServiceGuard            A.10.10, A.11.01, 

A.11.03
ServiceGuard OPS Edition   A.11.02, A.11.03
Support Tools and the EMS Hardware Monitors are not affected. For complete information, refer EMS Incompatibility Problem.
If the maxssiz_64bit kernel parameter is set below the default value of 0x800000, it can cause the lpmc_em monitor to abort.

Reporting Defects

You can report defects related to EMS Hardware Monitors by filing a request on CHART. The name of the project is diag. If you do not have access to CHART, contact your local HP representative to file a defect on your behalf.

Product Structure

EMS Hardware Monitors are installed as part of the OnlineDiag bundle (product number B4708AA). In addition, they utilize the EMS framework, product number B7609BA.

Note: EMS Hardware Monitors are installed as part of the STM-UUT-RUN Fileset. However, EMS Hardware Monitors are dependent on the EMS-Core and EMS-Config products and additional filesets in the STM Product.

For information on the STM product, refer to the STM release notes available at /usr/sbin/stm/Rel_NOTES.STM.

SD Bundle: OnlineDiag
   Description: On-line Diagnostic System (Series 800/700)

   SD PRODUCT: Sup-Tool-Mgr
      Description: Support Tools Manager for HP-UX Systems

      SD SUB-PRODUCT: Manuals
      Description: Support Tools Manager Manual Pages

         FILESET: RELEASE_NOTES
            Description: HPUX STM Release Notes

         FILESET: STM-MAN
            Description: HPUX STM Manual Pages

      SD SUB-PRODUCT: Runtime
      Description: STM Manual Runtime

         FILESET: STM-CATALOGS
            Description: HPUX STM Shared Libraries

         FILESET: STM-SHLIBS
            Description: HPUX STM Shared Libraries

         FILESET: STM-UI-RUN 
            Description: HPUX STM User Interface
         
         FILESET: STM-UUT-RUN
            Description: HPUX STM Unit Under Test Runtime 

   SD PRODUCT: EMS-Config
      Description: EMS Config

         FILESET: EMS-GUI
            Description: Event Monitoring Service Graphical 
                         User Interface

   SD PRODUCT: EMS-Core
      Description: EMS Core Product

         FILESET: EMS-CORE
            Description: Event Monitoring Service Core Files

Product Documentation

Following are the documents related to EMS Hardware Monitors available at http://docs.hp.com/en/diag/:

For information on installing and using EMS Hardware Monitors, and the list of supported hardware, refer to the "EMS Hardware Monitors User's Guide". An electronic copy of this book is also included on the Support Plus CD-ROM in the <mount_point>/DIAGNOSTICS directory.

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Last updated: Fri Feb 9 05:40:33 PDT 2006