Compaq Computer CorporationAlphaServer GS60E and GS140Getting Started with Logical PartitionsOrder Number: EK-TUNLP-SF. B01This d

xTable 2 Related AlphaServer GS140 Documentation (Continued)Upgrade ManualsKN7CG CPU Installation CardEK–KN7CG–INMS7CC Memory Installation CardEK–MS

Introduction 1-1Chapter 1IntroductionPartitioning is defined as the capability to run multiple copies, or instances, of anoperating system on one h

1-2 Getting Started with Logical Partitions1.1 Reasons for PartitioningPartitioning can be used for various reasons, including the consolida-tion o

Introduction 1-3With logical partitioning, you can divide computing resources into as many asthree distinct partitions. Partitioning can be used f

1-4 Getting Started with Logical Partitions1.2 Important Considerations for Partitioned SystemsHere are some important considerations for partition

Introduction 1-5There are some important things to be aware of when running multiple in-stances of operating systems on separate partitions on Alph

1-6 Getting Started with Logical Partitions1.3 Overview of the Partitioning ProcessTo define logical partitions, you need to check the hardware con

Introduction 1-7There are hardware, firmware, and software requirements and restrictions tomeet before you can run logical partitions. Chapter 2 d

Configuration Rules 2-1Chapter 2Configuration RulesTo define logical partitions for AlphaServer GS60E/GS140 systems, you musthave certain hardware.

Second Printing, August 1999The information in this publication is subject to change without notice.COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FO

2-2 Getting Started with Logical Partitions2.1 Overview of Configuration RequirementsHere are the minimum and maximum configurations for partitione

Configuration Rules 2-3Table 2–1 lists the minimum requirements and maximum restrictions for threelogical partitions; Table 2–2, for two partitions.

2-4 Getting Started with Logical Partitions2.2 Example of a Partitioned GS60E SystemThese illustrations give an overview of some of the interplay b

Configuration Rules 2-5Figure 2–1 shows an example of an AlphaServer GS60E system with sevenmodules. The GS60E has seven slots, which will only all

2-6 Getting Started with Logical Partitions2.3 Example of a Partitioned GS140 SystemThese illustrations give an overview of some of the interplay b

Configuration Rules 2-7Figures 2–2 and 2–3 show an example of an AlphaServer GS140 system withnine modules. Three CPU modules, three memory modules

2-8 Getting Started with Logical Partitions2.4 Module ConfigurationPartitions are constructed of a number of CPUs, memory, and I/O mod-ules. Each

Configuration Rules 2-9Logical partitions are divided on hardware module boundaries. For example,each CPU module contains two CPUs, but you cannot

2-10 Getting Started with Logical Partitions2.5 Memory Allocation2.5.1 Two PartitionsThe console firmware assigns memory to partitions such that a

Configuration Rules 2-11When you are defining two partitions, you may have from two to three memorymodules (GS60E system) or from two to five memory

iiiContentsPreface viiChapter 1 Introduction1.1 Reasons for Partitioning 1-21.2 Important Considerations for Partitioned Systems 1-41.3 Overview

2-12 Getting Started with Logical Partitions2.5.2 Three Partitions (GS140 Only)Three-partition systems require at least three memory modules. Ea

Configuration Rules 2-13When you are defining three partitions, three memory modules are alwaysneeded. They may or may not be of the same size. Fig

2-14 Getting Started with Logical Partitions2.6 DWLPB PCI Card Cages and Hose Connections2.6.1 DWLPB Configuration for GS140 SystemsOne DWLPB PCI

Configuration Rules 2-15Each AlphaServer GS140 system may have a DWLPB PCI card cage with eithera KFE70 adapter (standard I/O) or a KFE72-EA adapter

2-16 Getting Started with Logical Partitions2.6.2 DWLPB Configuration for GS60E SystemsTwo DWLPB PCI card cages are required for GS60E systems to

Configuration Rules 2-17Each AlphaServer GS60E system comes with one DWLPB PCI card cage. TheI/O hose for this PCI must be connected to the I/O mod

2-18 Getting Started with Logical Partitions2.7 KFE72-DA Adapters and Attached ConsoleTerminalsOne KFE72-DA adapter is required for each logical pa

Configuration Rules 2-19On GS60E systems, the connection for the primary console terminal is located atthe rear of the system, above the AC power in

2-20 Getting Started with Logical Partitions2.8 CD-ROM Drives for PartitionsOn a GS140 system, the CD-ROM drive for partition 0 is located nearthe

Configuration Rules 2-21For a GS140 system, you can install one RRD46/47-VA CD-ROM drive for eachsecondary partition in your system, if, for example

ivChapter 4 Setting Up, Initializing, and Booting LogicalPartitions4.1 Primary Console: Check Configuration 4-24.2 Step 1: Create and Initialize Env

2-22 Getting Started with Logical Partitions2.9 Attaching Floppy Drives for Secondary Partitions(Optional)You may wish to install floppy drives on

Configuration Rules 2-23On GS140 systems you may install a floppy drive off of the floppy drive port onthe connector module of the KFE72-DA (in fron

2-24 Getting Started with Logical Partitions2.10 Moving One Floppy Drive Between Partitions(GS140 Only – Optional)This section tells how to move a

Configuration Rules 2-25If you need to run configuration utilities from various partitions, and have onlyone floppy drive, you can attach it to sepa

Environment Variables that Create Logical Partitions 3-1Chapter 3Environment Variables that CreateLogical PartitionsYou define what resources are a

3-2 Getting Started with Logical Partitions3.1 Environment Variables UsedFour environment variables and the lpinit command define partitions.Figure

Environment Variables that Create Logical Partitions 3-3You define values for one environment variable to define the number of logicalpartitions on

3-4 Getting Started with Logical Partitions3.2 Detailed Directions for lp_cpu_maskThe lp_cpu_mask environment variable is set to a value that create

Environment Variables that Create Logical Partitions 3-5Note that you must assign CPUs to a partition on module boundaries. CPUmodules can be assi

vFigures1-1 Maintaining Multiple Instances at Separate Consoles 1-11-2 Consolidating Resources by Using Partitioning 1-21-3 Reset: Use Caution with P

3-6 Getting Started with Logical PartitionsFigure 3–3 Construction of Two-Partition CPU Bit Masks13 12 11 10 9 8 7 6 5 4 3 2 1 0Bit No.1

Environment Variables that Create Logical Partitions 3-7Two-Partition System (GS60E or GS140)A two-partition system has more possibilities for CPU

3-8 Getting Started with Logical Partitions3.3 Detailed Instructions for lp_io_maskThe lp_io_mask environment variable is set to a hexadecimal mask

Environment Variables that Create Logical Partitions 3-9Two-partition systems may have two or three I/O modules. Figure 3–5 gives two examples of

Setting Up, Initializing, and Booting Logical Partitions 4-1Chapter 4Setting Up, Initializing, and BootingLogical PartitionsThe sequence of console

4-2 Getting Started with Logical Partitions4.1 Primary Console: Check ConfigurationBefore you define any partitions, check to make sure you have a

Setting Up, Initializing, and Booting Logical Partitions 4-3From the primary console terminal, check the configuration. You can do thiseither from

4-4 Getting Started with Logical PartitionsExample 4–1 Check Configuration from Primary Console (Continued)P00>>> sho config ➊

Setting Up, Initializing, and Booting Logical Partitions 4-5Example 4–1 Check Configuration from Primary Console (Continued) C8 PCI connected to

vi

4-6 Getting Started with Logical Partitions4.2 Step 1: Create and Initialize Environment Vari-ables from the Primary ConsoleCreate (or set) a serie

Setting Up, Initializing, and Booting Logical Partitions 4-7Begin to define logical partitions by issuing commands from the primary consoleterminal.

4-8 Getting Started with Logical Partitions4.3 Step 2: Initialize Partitions from the Primary Con-sole; Boot/Install OS in Partition 0Initialize pa

Setting Up, Initializing, and Booting Logical Partitions 4-9Following the system reset, you are still issuing commands at the primary con-sole. Per

4-10 Getting Started with Logical Partitions4.4 Step 3: Set and Initialize Environment Variables,Boot from Secondary ConsolesFrom each secondary co

Setting Up, Initializing, and Booting Logical Partitions 4-11Once lpinit is executed from the primary console, initialization displays appearat the

Tips and Troubleshooting 5-1Chapter 5Tips and TroubleshootingThis chapter describes some things you may want to do after you have definedand initial

5-2 Getting Started with Logical Partitions5.1 Setting auto_action Within PartitionsHere are some tips on setting the auto_action environment variab

Tips and Troubleshooting 5-3In general, it is reasonable practice to set auto_action to halt in each partitionwhen you are first starting up logical

viiPrefaceIntended AudienceThis manual is written for anyone wishing to understand the concepts and re-quirements of logical partitions for a Compaq A

5-4 Getting Started with Logical Partitions5.2 How to Stop a Hung PartitionYou can halt a hung operating system instance in partition 0 by typingCtr

Tips and Troubleshooting 5-5CAUTION: It is always recommended practice to shut down the operatingsystem before attempting to halt a partition. This

5-6 Getting Started with Logical Partitions5.3 Halting All Partitions to ReconfigureYou may wish to change the allocations set with the lp_* environ

Tips and Troubleshooting 5-7➊Shut down the operating system, using a command such as this one, at eachof the primary and secondary console terminals

5-8 Getting Started with Logical Partitions5.4 Correcting Errors in Environment VariablesIt is easy enough to make a mistake in setting bit masks fo

Tips and Troubleshooting 5-9Continuing from the previous section, where the console firmware revealed thatCPUs 2 and 3 were not assigned to any part

5-10 Getting Started with Logical Partitions5.5 Using Tools to Debug a PartitionYou can analyze crash dumps and run DECevent from a partition whileo

Tips and Troubleshooting 5-11A partition can crash, while other partitions remain up and running. You canuse the same tools to debug the problem pa

Index-1IndexAAuto_action environment variable,4-7, 4-11 , 5-2BBoot_osflags environment variable,4-11Boot_reset environment variable,4-7Bootdef_dev env

viiiConventions Used in This DocumentIcons. Icons similar to those shown below are used in illustrations for desig-nating part placement in the syste

Index-2Interleave environment variable,2-9, 2-11, 2-13, 4-3, 4-7Isolate (memory mode), 3-2, 3-3KKFE72-DA, 2-15, 2-17configuration rules, 2-18, 2-19KFE

ixDocumentation TitlesTables 1 and 2 list the books in the AlphaServer GS60E and GS140 documenta-tion set and operating system documentation that you