AIX (Advanced Interactive eXecutive) is a series of proprietary Unix operating systems developed and sold by IBM.
Performance Optimization With Enhanced RISC (POWER) version 7 enables a unique performance advantage for AIX OS.
POWER7 features new capabilities using multiple cores and multiple CPU threads, creating a pool of virtual CPUs.
AIX 7 includes a new built-in clustering capability called Cluster Aware
AIX POWER7 systems include the Active Memory Expansion feature.

Saturday, September 3, 2011

Introduction to HMC!!

Hardware Management Console is a technology invented by IBM for the purpose of providing a standard interface to configuring and operating partitioned (also known as an LPAR or virtualized system) and SMP systems such as IBM System i or IBM System p series.


The HMC is a Linux kernel using Busybox to provide the base utilities and X Window using the Fluxbox window manager to provide graphical logins. The HMC also utilizes Java applications to provide additional functionality. The IBM Hardware Management Console provides systems administrators a tool for planning, deploying, and managing IBM System p and IBM System i servers.



Functions performed by the HMC include:

  • Creating and maintaining a multiple partition environment

  • Creating and maintaining a multiple partition environment

  • Displaying a virtual operating system session terminal for each partition

  • Displaying a virtual operator panel of contents for each partition

  • Detecting, reporting, and storing changes in hardware conditions

  • Powering managed systems on and off

  • Acting as a service focal point

  • Activating CoD



  •  HMC maximums
     
    At the time or writing, the following are general support considerations with respect to the HMC:
  • A maximum of 48 non-590/595 servers are supported

  • A maximum of 32 590/595 servers

  • For all systems the maximum number of LPARs is 254.

  • In an HMC managed enterprise, a maximum of 2 HMCs can manage a server at one time.


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