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https://www.youtube.com/user/nigelargriffiths

https://www.ibm.com/support/pages/node/1116387?myns=aix&mynp=OCSWG10&mync=E&cm_sp=aix-_-OCSWG10-_-E


====== AIX advanced features ======

{{:aix:aix_functionality.png?850|}}
====== A Brief History of AIX ======

https://robmcnelly.com/10-things-to-love-about-aix/

Key Release Dates and End of Support
^Release Number ^	Release Date 	^Regular Support Ended^
|AIX 4.1 - 4.3 	|12 Aug 1994 	|31 Dec 2003|
|AIX 5.1 -5.3 	|24 Oct 2001 	|30 April 2012|
|AIX 6.1 	|9 Nov 2007 	|30 April 2017|
|AIX 7.1 	|10 Sep 2010 	|30 April 2023|
|AIX 7.2 	|1 Dec 2015 	|Supported|
|AIX 7.3 	|10 Dec 2021 	|Supported|

Ignoring AIX release 1 and AIX release 2, which were for early UNIX hardware from IBM called IBM RT and IBM PS/2.

==== AIX 3.1-2 Starter pack ==== 

AIX 3 (1990) for Power based processor computers (initially RS/6000) based on UNIX AT&T System V.2 and V.3 with some added BSD 4.2 features plus IBM unique features in simplifying systems management:

    Systems Management menu interface: smit & smitty
    Network Installation Management (NIM)
    Journaling File System (JFS)
    Logical Volume Management (LVM)
    Make a bootable system backup (mksysb)
    High Availability Clusters (HACMP) - later called PowerHA
    Real-time computing infrastructure


==== AIX 4.1-3 What is New ? ==== 

    AIX binary compatibility with AIX 3
    Symmetrical Multi-Processor (SMP) - A VERY BIG KERNEL CHANGE
    SMP hardware J30/R40 with 6 or 8 CPUs
    NIM Enhancements
    JFS greater than 2 GB 
    NFS v3
    32-bit/64-bit applications at the same time
    Add 16 GB total memory support
    Alternate disk installation AIX upgrade
    Last release 4.3.3


==== AIX 5.1-3 What is New ? ==== 

    AIX binary compatibility with AIX 4
    HMC and Hypervisor
    Virtualization of CPU & RAM
    Virtual disks + network = VIOS 
    Live Partition Mobility (evaluation)
    Dynamic LPAR: CPU + memory
    Symmetric multithreading SMT
    AIX MPIO 
    Concurrent I/O for RDBMS
    NPIV SAN virtualization
    Workload Manager (process groups)
    JFS2 – extent-based space allocation
    First Failure Data Capture (FFDC)
    PowerSC
    NFS version 4
    Last release 5.3
     

==== AIX 6.1 What is New ? ==== 

    AIX binary compatibility with AIX 5
    Live Partition Mobility (LPM) for production
    Workload Partition & Live Application Mobility (LAM)
    Versioned WPAR for AIX 5.2 & 5.3
    Role Based Access Control (RBAC)
    Encrypted JFS
    Trusted AIX
    AIXpert - system hardening by rules
    Kernel - Storage Keys for RAS
    Dynamic process tracing: ProbeVue
    Firmware assisted dump
    AES encryption for NFS v3 and v4
    Nigel’s performance monitor: nmon 
    Last Release 6.1 TL9
     

==== AIX 7.1 What is New ? ==== 

    AIX binary compatibility with AIX 6
    JFS2 Integrated Snapshots
    WPAR storage devices
    Role Based Access Control (RBAC)
    Encrypting JFS file system
    Trusted AIX and Trusted Execution
    Cluster Aware AIX (CAA)
    Snapshot of a JFS2 file system
    topas Multi-server
    JFS to JFS2
    Secure Shell (SSH) in base AIX
    Active Memory Expansion
    Transactional Memory
    Shared Storage Pool support
    PowerVC Support
    Last release 7.1 TL5 - functionally stabilized since AIX 7.2 arrived. Mostly bug and security fixes ever since.
     

==== AIX 7.2 What is New ? ==== 

    AIX binary compatibility with AIX 7.1
    Live (Kernel) Update capability for Technology Levels, Service Packs, and Fixes.
    Active Memory Expansion 64k page
    LVM thin storage block reclamation
    AIX Open Source Toolbox Enhancements
    SMB 2.1 client and SMB 3.0.2 client
    Migration to Cloud ready - create_ova
    Flash Cache For Fibre Channel disks
    Includes Dynamic System Optimizer (DSO)
    External Interrupt Virtualization Engine (XIVE)
    Live Kernel Update LKU Enhancements (2015)
    POWER9 HW NX GZIP engine
    Ansible "Paybooks" released for AIX
    Scaling enhancements – larger LPARs
    Simplified Remote Restart Supported
    Application address space randomization
    LVM passive mirror enhancements for concurrent I/O applications
    NIM HTTP support for updates
    Shared memory communications over RDMA (SMCR)
    AIX installation from USB flash drive (also added to AIX 7.1 TL5)
    Enhanced multi-queue NPIV performance
    Fibre Channel: Congestion Notification, 32 Gb support, and NVMe over Fibre Channel
    14 million open files per SRAD
    NVMe drive space reclaim
    GLVM HW assisted compression
    OpenSSH with Power HW GZIP compression


==== AIX 7.3 What is New ? ==== 

    AIX binary compatibility with AIX 7.2
    Power10 server support:
        Power10 support 240 cores & 1920 hardware threads per LPAR
        Matrix Maths Accelerator (MMA)
        OpenBLAS with MMA support, available from the AIX Toolbox 
        Optimized memcpy instructions
        For new generation IBM OpenXL compilers 
    Stronger default password rules and new default password algorithm (SSHA-256)
    telnet & ftp not in default installation (due to security risks)
    ”Out of the box” ready for POWER or Power10 hardware NX GZIP with "pigz" and create_ova supported
    New JFS2 file systems default to inline log
    Added Open Source bash 5.1 and Python 3.9
    AIX Open Source Toolbox that uses “dnf” & toolbox updated plus many extra packages
    Fast Dynamic LPAR resize CPU and memory
    Reduced LPAR boot times with large memory
    LVM Encryption for rootvg 
    128 TB JFS2 file system and file size
    Oracle 19c support
    Virtual Persistent Memory (vPMem) can be configured as a hdisk
    Live update of AIX kernel tunables (no, vmo)
    New IPsec features (NAT-T, IKE fragmentation)
    Stronger default security for AIX trace channel 0
    Sendmail support for SASL authentication
    TCP Cubic support
    Increased fork and exec scaling
    Enhanced Async IO IOPs scaling
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