AIX Version 7.2 IBM Workload Partitions for AIX IBM Note Before using this information and the product it supports, read the information in “Notices” on page 45. This edition applies to AIX Version 7.2 and to all subsequent releases and modifications until otherwise indicated in new editions. © Copyright International Business Machines Corporation 2015, 2019. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents About this document..............................................................................................v Highlighting...................................................................................................................................................v Case-sensitivity in AIX................................................................................................................................. v ISO 9000.......................................................................................................................................................v IBM Workload Partitions for AIX............................................................................ 1 WPAR concepts............................................................................................................................................ 1 Differences in the WPAR environment...................................................................................................1 Restrictions and limitations in the WPAR environment.........................................................................1 Devices....................................................................................................................................................2 Networking..............................................................................................................................................3 Global environment................................................................................................................................ 3 System WPARs........................................................................................................................................4 Security................................................................................................................................................... 7 Resource controls...................................................................................................................................8 Versioned workload partitions.................................................................................................................. 10 Requirements for versioned WPARs....................................................................................................10 Installing support for versioned WPAR ...............................................................................................11 Restrictions and limitations within a versioned WPAR........................................................................11 Creating a versioned WPAR..................................................................................................................12 Devices in WPARWPARs............................................................................................................................ 15 Deploying a storage device.................................................................................................................. 16 Allocating a device............................................................................................................................... 17 Configuring a device in a WPAR........................................................................................................... 18 Managing file systems for a device...................................................................................................... 18 Application WPARs.................................................................................................................................... 19 File systems for application WPARs.....................................................................................................19 Configuring system WPARs........................................................................................................................19 Creating a system WPAR...................................................................................................................... 20 Naming the system WPAR....................................................................................................................23 Starting system WPARs........................................................................................................................23 Configuring directories and file systems for system WPARs...............................................................24 Configuring networks for system WPARs............................................................................................ 25 Configuring resource controls for system WPARs............................................................................... 28 Using specification files for system WPARs.........................................................................................28 Using an image.data file for system WPARs.................................................................................... 29 Configuring application WPARs................................................................................................................. 29 Creating an application WPAR............................................................................................................. 29 Configuring directories and file systems for application WPARs........................................................ 30 Configuring networks for application WPARs...................................................................................... 30 Configuring resource controls for application WPARs.........................................................................31 Working with specification files for application WPARs......................................................................32 Managing WPARs....................................................................................................................................... 32 Listing WPARs.......................................................................................................................................32 Listing WPAR identifiers....................................................................................................................... 33 Logging in to a WPAR............................................................................................................................33 Backing up WPARs............................................................................................................................... 34 Recovering the shared WPAR that are incompatible...........................................................................35 Managing software with the shared WPAR..........................................................................................35 Restoring WPARs..................................................................................................................................35 iii Removing WPARs................................................................................................................................. 35 Stopping WPARs...................................................................................................................................35 Recovering detached WPARs that are incompatible...........................................................................36 Managing software with detached WPARs.......................................................................................... 37 Installing Apache in a WPAR..................................................................................................................... 37 Using the Advanced Accounting subsystem with WPARs........................................................................ 38 Using the trace facility with WPARs...........................................................................................................38 Making software available to other WPARs...............................................................................................39 Modified and enhanced AIX commands for WPARs................................................................................. 39 Notices................................................................................................................45 Privacy policy considerations.................................................................................................................... 46 Trademarks................................................................................................................................................ 47 Index.................................................................................................................. 49 iv About this document Workload partitions (WPARs) are a virtualized operating system environment within a single instance of the AIX® operating system. WPARs secure and isolate the environment for the processes and signals that are used by enterprise applications. This topic collection explains how to create and manage WPARs on the AIX operating system. Highlighting The following highlighting conventions