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.

Sunday, September 18, 2011

Removing AIX partition

How to remove aix partition ( Di-commisioned )

This activity depends and changes according the Company Environment , but also this are the common steps that can be helpful to remove a Partition of LPAR from the System.

  1. Take a mksysb image from a partition.
  2. Make sure that filesystem and applications backups are up to date and backups can be found from TSM or from any backup Tool used in the Environment ( llike Veritas Backup etc..)
  3. Inform monitoring team that partition is going to be removed and monitoring should be stopped.
  4. Stop applications on lpar.
  5. Inform storage team that partition is going to be removed, they will handle the backups.
  6. Inform Monitoring team that ip-addresses from that partition can be freed.
  7. Inform network team that partition is going to be removed .Also inform network team if there is any physical cabling, switch ports needs to be shut down.
  8. Update documentation  (other system documentation) for the Future reference.
  9. Remove volumegroups, filesystems and logical units from server.
  10. Remove logical units from disk systems.
  11. Stop lpar.
  12. Remove lpar profile with HMC.
  13. Inform to all the teams regarding the System Di-Commissioned.


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