Friday, February 2, 2018

AIX operating system type and installation method

This Blog is about AIX operating system ,which Running on POWER system.
using this blog i will try to share AIX knowledge

Latest release : AIX 7.2 TL03
Previous version :AIX 6.1,AIX 5.3,AIX 5.2


AIX version                      Feature
AIX 5.3    Virtualization Support, Micro-Partitioning, Dynamic Logical Partitioning
AIX 6.1    AIX workload partition,Multiple shared Processor and AIX Live Partition Mobility
AIX 7.1    Multiple Shared Processor Pools , AIX Live Partition Mobility, AIX 5.2 WPARs for AIX 7
AIX 7.2    Live Kernel upgrade and server based flash caching

Types of installation in AIX:

1.New and complete overwrite
3.preservation  installation

New and complete overwrite
Installation of New OS on LPAR and Physical BOX.

Migration installation:

upgrade from AIX 5.3 to 6.1 ,6.1 to 7.1 and 7.1 7.2

/tmp  overwritten in this type of installation.

preservation installation

we use preservation installation when you want to preserve user data in the rootvg.

this method overwrites the /usr ,/var ,/tmp  and /root filesystem.

/etc/preserve.list  -contains file will be preserved during instillation.