Mt Xia: Technical Consulting Group

Business Continuity / Disaster Recovery / High Availability
Data Center Automation / Audit Response / Audit Compliance

Additional documents of interest

  • Successful Business Continuity - Part 1 - Users and Groups
    This article was published in the April 2005 issue of AIX Update magazine and discusses system administration needs and requirements oriented around users and groups. The overall emphasis of this series of articles is for implementation of enterprise wide unique identifiers for a variety of parameters, such as user names, group names, UID and GID numbers.
  • Successful Business Continuity - Part 2 - Machine and Host Names
    This article was published in the May 2005 issue of AIX Update magazine and discusses naming structures for machines, systems, adapters, and aliases. The overall emphasis of this series of articles is for implementation of enterprise wide unique identifiers for a variety of parameters.
  • Successful Business Continuity - Part 3 - Volume Names
    This article was published in the December 2005 issue of AIX Update magazine and discusses naming structures for volume groups, logical volumes, log logical volumes, directory mount points, etc. The overall emphasis of this series of articles is for implementation of enterprise wide unique identifiers for a variety of parameters.
  • Successful Business Continuity - Part 4 - MQ Series, Startup/Shutdown Scripts, Error Processing
    This article was published in the April 2006 issue of AIX Update magazine and discusses how to implement AIX in an environment dedicated to business continuity. The topic of this article is the assignment of MQ Series queue names and aliases, resource group startup and shutdown script names (Application startup/shutdown script names), error logging, and error notification.
  • Successful Business Continuity - Part 5 - Miscellaneous topics
    This article was published in the August 2006 issue of AIX Update magazine and discusses how to implement AIX in an environment dedicated to business continuity. A variety of topics is discussed in this article including automated documentation generation and management.
  • Automated Microcode Management System
    One of the most difficult administration tasks in an AIX environment is attempting to keep the firmware and microcode up-to-date. Mt Xia has devised an automated method of gathering the Microcode information, determining which microcode needs to be updated, generating reports, and uploading the required microcode updates to each individual system.
  • Calculating the size of a Virtual Processor
    This document describes the algorithms used to calculate the size of a virtual processor when using shared processors in an LPAR. The IBM documentation describes how to calculate CPU utilization, NOT how to size for configuration, this document clarifies this process. A description of the HMC input fields for the processor tab is included.
  • Basics of Partition Load Manager Setup
    This presentation was provided by Ron Barker from IBM regarding the PLM Basic setup.
  • ppt
  • pdf
  • Virtual I/O Server Standards

    Defined here are the standards that describe how a Virtual I/O (VIO) server will be configured in the Mt Xia environment. The purpose of these standards is to ensure business continuity, disaster recovery, high availability, serviceability, managability, and supportability of the virtualized environment.


    Procedure to enable centralized statistics gathering from a VIO server via WLM

    The Virtual I/O (VIO) servers should not have extraneous software installed on them, therefore the performance toolbox software is not installed or enabled. However the Workload Manager (WLM) is installed and should be enabled in passive mode. The procedure to enable WLM on the VIO servers follows:

    This procedure assumes there is a centralized storage location for the WLM statistics shared to the VIO server via NFS. In the following example the centralized storage is located on the NIM server whose hostname is "dalapnim01". The specific directory being shared via NFS from "dalapnim01" is "/prfdmce0".

    This procedure also uses an example VIO server hostname of "daladvio01".


    Establish the NFS mount from the centralized NFS storage location.

    /usr/sbin/mknfsmnt -f /prfdmce0 -d /prfdmce0 -h dalapnim01-mc2 -M sys -t rw -w bg -ABSXYZ -jqg
    


    Add a directory to the centralized NFS storage location to contain the statistics files from the VIO server.

    mkdir -p /prfdmce0/ddadvio01/wlm
    


    Add a record line to "/etc/inittab" to start the WLM statistics gathering daemon

    mkitab 'ptxwlm:2:respawn:/usr/bin/xmwlm -d /prfdmce0/daladvio01/wlm -n xmwlm > /dev/null 2>&1'
    


    Start the WLM in "passive" mode.

    /usr/sbin/wlmcntrl -p > /dev/console 2>&1
    

    Add a record to the "/etc/inittab" to start the WLM at system boot time.

    mkitab -i rc 'wlm:2:once:/usr/sbin/wlmcntrl -p > /dev/console 2>&1'
    

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    Standards
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    Policies
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