blog.meyawi.com

Volume groups in inactive state after AIX 6.1 Migration

meyawi — Thu, 23 Aug 2012 17:16:42 +0000

Even if support ended for AIX 5.3 since April 2012, some companies still have old AIX releases like 5.2 or even older. I had some migrations to do for one of my customers on standalone P5 and blades, everything went well but I saw filesystems mount error messages at boot. Once logged in, I saw read more »

DLPAR issues with cloned AIX LPAR

meyawi — Tue, 07 Aug 2012 15:29:44 +0000

Recently, I was installing a POWER7 P770 for one of my customers. But instead of installing VIO servers from scratch, we made clones on the storage subsystem (HP 3PAR)Â from VIOS previously installed on another P770. In one hand, it had the benefit of being a fast method avoiding us to install and configure the read more »

Accessing Power System (pSeries) console using IBM 3153 Terminal

meyawi — Thu, 21 Jun 2012 14:10:58 +0000

One of my customers had a problem on his Power System (P7) and needed to access the console using an IBM 3153 terminal. We donâ€™t see a lot of this old stuffs (1990s) because many people are using HMC or USB/Serial(RS232) adapter on their computer/laptop. But sometimes, it could be very useful and by read more »

AIX 6.1 TL7 : 2 bugs in IBM System Director Common Agent

meyawi — Sun, 13 May 2012 01:02:44 +0000

AIX 6.1 TL7 includes IBM Systems Director Common Agent (cas agent). It is installed as part of the System Management Client Software bundle which is part of the default install options. Unfortunately, this new component introduce 2 small bugs including one that could fill up root filesystem (/). After installing TL7 and at system reboot, read more »

Implementing iSCSI on AIX with Storwize V7000 (V7000U)

meyawi — Tue, 24 Apr 2012 17:18:26 +0000

TOC1 Introduction2 Configuring iSCSI on V7000U3 iSCSI configuration on AIX4 V7000U : Host creation + Volume mapping5 AIX : Disk Discovery & Multipathing6 AIX : iSCSI Initiator Considerations Introduction When properly configured, an AIX server can act as : iSCSI initiator : access storage devices using TCP/IP on Ethernet network adapters iSCSI target : export read more »

SVC + Storwize V7000 + Unified : 208 days reboot bug resolved with new firmware release (V6.3.0.2, V1.3.0.5)

meyawi — Mon, 02 Apr 2012 00:04:24 +0000

A new firmware level has been released and corrects a serious bug : Storwize V7000 and SVC : 6.3.0.2 (30 March 2012) Storwize V7000 Unified : 1.3.0.5 (2 April 2012) This strange bug due to a known Linux kernel issueÂ which result in a kernel panic (due to a internal counter overflow) after 208 days read more »

Storwize V7000 : Software Upgrade

meyawi — Sat, 31 Mar 2012 12:38:20 +0000

Upgrading the IBM Storwize V7000 is an easy procedure without interruption as the storage architecture provides 2 nodes, and upgrade runs on one node before shutting down and upgrading the other node. This upgrade operation will take approximately 30 minutes. TOC1 Login to the GUI2 Go to the upgrade menu and Launch the Upgrade Wizard3 read more »

Nmon Analyser v33g – Excel 2010 64 bits

meyawi — Fri, 02 Mar 2012 16:41:55 +0000

Since I reinstall my laptop with Windows 7 64 bits and all my tools (because of a memory upgrade), I had the “good” idea to install Office 2010 Suite in 64 bits version too ! Unfortunately, Nmon Analyser don’t work under Excel 2010 64 bits. I tried to figure it out by changing some function read more »

Certification : AIX 6.1 Administration

meyawi — Mon, 13 Feb 2012 17:35:26 +0000

Today, I passed and validated my first certification test : AIX 6.1 Administration (000-104). Now, I have a new status : IBM Certified System Administrator – AIX 6.1 This test is a MCQ of 117 questions with a time limit of 150 minutes, Â the following lines list the objectives : Backup and Recovery (5%) Recover read more »

WPAR : Introduction

meyawi — Mon, 23 Jan 2012 18:44:56 +0000

This my first post and I’m going to blog about WPAR technologyÂ TOC1 Presentation2 General Points3 WPAR types4 History5 Backup / Restore6 Benefits7 Conclusion Presentation What is a WPAR ? Â WPAR = Workload PARtition. It is a software virtualization/partitioning system within an AIX instance which allows isolating execution environment, as share and resources control allocation read more »