High Availability

4 likes Updated 4/24/18, 2:55 PM by POWERHAguyTags: None


PowerHA SystemMirror  


IBM PowerHA SystemMirror (formerly known as HACMP - High Availability Cluster Multiprocessing) provides solutions that maintain high availability, while making the IT environment simpler and more flexibile to respond to changing needs. IBM PowerHA SystemMirror in brief:


  • Simple to manage yet ultra reliable
  • World-class, 24x7 clustering technology with IBM advanced systems technologies
  • Allows for cluster upgrades and system maintenance without interrupting operations
  • Offers multiple recovery and data replication methods
  • Monitors, detects and reacts to hardware and software problems
  • Can be configured to react to hundreds of system events
  • Can move services, users, applications & data to backup systems during scheduled maintenance
  • Simple to configure and flexible to maintain.
  • Key to implement and meet your availability level targets
  • Significantly reduces planned and unplanned outages

IBM PowerHA SystemMirror editions in brief:

  • PowerHA SystemMirror Standard Edition provides high availability in implementations where all cluster nodes can access the same disk storage subsystem.
  • PowerHA SystemMirror Enterprise Edition provides high availability in implementations where cluster nodes are geographically dispersed.

For more information see the PowerHA overview


Latest News & Updates

12/05/2017 GDR v1.2 Announcement
10/20/2017 PowerHA 7.2.2 Announcement
07/18/2017 Installing PowerHA SMUI Demo
05/09/2017 SP1 announces for PowerHA v7.2.1 and GDR
03/29/2017 PowerHA v7.2.1 Redbook
10/10/2016 PowerHA v7.2.1 Announcement
09/26/2016 PowerHA v6.1 SP17 released
06/25/2016 PowerHA v7 Hiper APARs
06/24/2016 PowerHA 7.1.2 SP8 released
06/24/2016 PowerHA 7.1.3 SP5 released
05/22/2016 Latest PowerHA v7 Migration fixes
04/15/2016 PowerHA 7.2 SP1 released
04/13/2016 PowerHA 7.2 redbook
03/14/2016 PowerHA 7.2 rootvg failure detection demo
02/17/2016 AIX Live Kernel update on a PowerHA v7.2 node


PowerHA Support


Fix Level Recommendation Tool

PowerHA and AIX Version Compatibility Matrix 

PowerHA Enterprise Edition Cross Reference

PowerHA Hardware Support Matrix

FAQs page


HACMP Fix downloads via Fix Central (v6.1 and prior)

PowerHA Fix Downloads (v7.1 and above)

DeveloperWorks PowerHA Forum


PowerHA Library


How To/Tips


Base Level Publications

Redbook Publications

PowerHA v7 Standard Edition Demos

Migrating/Upgrading to PowerHA v7 Demos

PowerHA v7 Enterprise Edition Demos

PowerHA v6.1 Standard Edition Demos

PowerHA v6.1 Enterprise Edition Demos

Misc HA & AIX Demos

The postings on this site solely reflect the personal views of the authors and do not necessarily represent the views, positions, strategies or opinions of IBM or IBM management.


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