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AIX and UNIX

IBM articles, tutorials, and technical resources for AIX® and UNIX® users

Considerations in software design for multi-core multiprocessor architectures

Today's chip multithreaded,multi-core,multiprocessor systems provide software designers a great opportunity to achieve faster and higher throughput.However,there are a few key design considerations, if ignored,could result in hard-to-find performance issues and scalability bottlenecks. More >

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20 May 2013 — Show descriptions | Hide descriptions

Multi-disk management for IBM Systems Director VMControl: Part 2
IBM Systems Director is a platform management solution that is used to manage physical and virtual systems. IBM Systems Director provides systems management personnel with a single pane of glass, helping reduce IT management complexity and cost.
PowerVM configuration and scaling with WebSphere Portal
This article describes a series of performance benchmarks that demonstrate the scaling properties of an IBM PowerVM® virtual machine running IBM WebSphere® Portal on the IBM AIX® operating system.
Multi-disk management for IBM Systems Director VMControl: Part 1
IBM® Systems Director is a platform management solution that is used to manage physical and virtual systems. IBM Systems Director provides systems management personnel with a single pane of glass, helping reduce IT management complexity and cost.
Setting up the IBM AIX server as a router (static routing)
Routing is the process of moving a packet of data from source to destination. Static routing uses manually added routes whereas dynamic routing uses dynamic routes. This article explains how to set up an IBM® AIX® server as a router to communicate with private and public networks by using static routing.
Shared Ethernet Adapter configuration with two networks
This tutorial describes how to configure two different networks using Virtual I/O Server (VIOS) with high availability, redundancy, and load sharing. With this architecture, VIOS and logical partitions (LPARs) can be accessed from two completely different networks and both networks can be used for different purposes.
The troubleshooter's guide for managing storage using IBM Systems Director
The purpose of this article is to document the troubleshooting methodologies and the best practices to be followed while managing the storage component and also provide the information about what needs to be verified in an entity, such as IBM® Systems Director, LSI, NetApp Eagle provider.
Troubleshooting process hangs caused by JFS2 inode with an empty extended attribute entry
In this article, we reveal a special kind of inode that cannot be detected by the fsck command, and explain why it can cause process hangs and drop system performance. We also introduce some approaches to tackle such an issue.
IBM PowerHA SystemMirror cluster migration to IBM POWER7
Tips for migrating a PowerHA cluster from POWER6 to POWER7. This step by step plan describes how to migrate a HA cluster to POWER7, upgrade the cluster from HACMP to PowerHA and migrate shared cluster volume groups for fast disk takeover.
Using IBM Image Construction and Composition Tool
This article aims to provide common best practices when working with the IBM® Image Construction and Composition Tool® (ICCT) to design and build virtual appliances on IBM PowerVM® cloud providers.
IBM AIX device driver development
This tutorial illustrates the IBM® AIX® device driver framework and related application programming interfaces (APIs). Here, we shall discuss about the device switch structure, API to register device switch methods, major and minor number management, and moving data from kernel to user space.