VSAM for z/OS

Do you ever think to compress VSAM dataset?

Do you know how to enable SMS on your z/OS system?

Do you know how to start SMSVSAM Server?

How convert non-sms volume to sms managed volumes?

Do you know how to enable VSAM RLS on your SYSPLEX system?

Rule 1:  Don’t Grant any DB2 Object for PUBLIC, you don’t know who will use this authority and get access to your DB2 subsystem.

Rule 2: Grant access to DB2 objects according to need to know concept, don’t give extra authority unless it is business need.

you can use the following script to display the number of fibre ports on your system that you have and also the status of each one, you can use it as a healthy check script :

dsh command

dsh Command

  • Purpose

Runs commands concurrently on multiple nodes and hardware devices.

if you have more than one node and they are connected together through POWERHA (HACMP), ofcourse you need an easy way to make normal users change thier password and automaticlly updated on the other node.

bootinfo command

How would I know if I am running a 32-bit kernel or 64-bit kernel?

To display if the kernel is 32-bit enabled or 64-bit enabled, type:

Object Data Manager (ODM)

  • What is ODM?
    • Maintains system config, device and vital product data
    • Provide a more robust, secure and sharable resource
    • Provide a reliable object oriented database facility

Download AIX 5L Differences Guide from the following link :-

AIX5 Diff Guide

AIX 7 Administration Exams

TestPassport  ==> Compressed file (EXE File)

TestPassport ==> PDF File

Objectives on AIX 7 Administratione – TEST 000-221:

System Availability (10%)

  1. Identify resources used by Cluster Aware AIX
  2. Configure dump devices and analyze output
  3. Determine elements necessary to reduce single points of failure
  4. Understand geographical logical volume manager (GLVM)
  5. Maintain hardware (CEC/Blade Hardware), deferred or concurrent firmware, AMM firmware (for Power Blades), whether an adapter replacement or new installation.