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HP rp7440 nPartition Administrator's Guide, Second Edition - Page 154

Using Linux Loader (ELILO) Commands, elilo.conf File Boot Options, ELILO Linux Loader Commands

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elilo.conf File Boot Options You can specify the following options, among others, in an elilo.conf file to configure a Linux device's boot behavior. For more details refer to the documentation for the Linux distribution you are using. • prompt - Specifies to make the "ELILO boot" prompt available without requiring anything to be typed. • timeout=tsecs - Sets the timeout duration in tenths of seconds. Following the timeout period, either the default boot entry is selected, or if no default is specified the first boot entry is selected. • default=name - Sets the boot option entry that is selected by default. The name listed must match the name specified by a label option in the same elilo.conf file. When no default is specified, then the first boot entry is chosen if no other boot entry is requested. • image=kernel - Specifies the Linux kernel to boot. Typically, the kernel specified is a vmlinuz file. For example, the file vmlinuz-2.4.18-e.12smp is a kernel that resides on the EFI partition as \efi\redhat\vmlinuz-2.4.18-e.12smp. • label=name - The name defined by the label option is the identifier you can reference to invoke the boot entry for loading. You can use the specified name at the "ELILO boot" prompt, or in a default option line in the same elilo.conf file, to cause the boot entry to be used for loading Linux. • initrd=image - Specifies the initial RAM disk image used to initialize and start services for booting the Linux kernel. The image file typically resides on the EFI partition in the same directory as the corresponding Linux kernel file specified by the image option. • read-only - Specifies that the root disk partition (specified by the root option) cannot be modified during the Linux boot process. • root=diskptn - Indicates which device (diskptn) to mount as the root disk partition. • append="options" - Specifies boot-time kernel options that are passed to the Linux kernel when it is loaded. Using Linux Loader (ELILO) Commands You can control the Linux boot process by using the ELILO Linux loader commands to select a non-default Linux boot configuration, specify additional boot options, or load a Linux kernel whose path you explicitly specify. See "Booting to the Linux Loader (ELILO.EFI)" (page 152) for details on accessing ELILO, using ELILO and elilo.conf, and managing the elilo.conf file. ELILO Linux Loader Commands The following commands are available for use when interacting with the ELILO Linux loader (the "ELILO boot" prompt). Esc Enter Exit the ELILO Linux loader. Tab List all entries (labels) in the current elilo.conf file. ? (question mark) List all disk devices available to the ELILO Linux loader. Linux Booting Using ELILO Commands and Options The following list describes uses of ELILO to load Linux. • Select a non-default Linux boot configuration to be loaded. 1. Access the "ELILO boot" prompt. 2. Type the Tab key to list all boot configuration entries in the elilo.conf file. 3. Enter the name of the boot entry you want to load. ELILO boot: Tab linux linux-up (or any kernel file name: [dev_name:]/path/file) ELILO boot: linux-up 154 Booting and Resetting nPartitions

Section	Page
nPartition Administrator's Guide	1
Table of Contents	3
About This Document	11
New and Changed Information in This Edition	11
Document Organization	11
Typographic Conventions	12
Related Information	13
Publishing History	13
HP Encourages Your Comments	13
1 Getting Started with nPartitions	15
Introduction to nPartitions	15
Operating Systems Supported on nPartitions	15
HP Server Support for nPartitions	16
HP Superdome Hybrid Servers: Intel® Itanium® 2 and PA-RISC nPartition Mixing	17
Hardware Components of nPartition-Capable Servers	18
Administration Tools for nPartitions	18
Commands for Configuring nPartitions	19
Availability of nPartition Commands	21
Enhanced nPartitions Commands for Windows	21
Enhanced nPartition Commands for Linux	22
Partition Manager	22
Partition Manager Version 2.0 for Windows	23
nPartition Properties	23
Partition Numbers	24
Assigned and Unassigned Cells	24
Base Cells	24
Core Cells	24
Active and Inactive Cells	25
Cell Local Memory	25
Cell Property Details	25
Active and Inactive nPartition Boot States	27
Overview of Managing nPartitions	27
Basics of Listing nPartition and Complex Status	27
Basics of nPartition Creation	29
Genesis Partition	30
Basics of nPartition Modification	30
nPartition Modification Tasks	31
Basics of nPartition Booting and Resetting	32
Boot Process for Cells and nPartitions	32
Common nPartition Boot Commands and Tasks	33
Complex Profile	36
Changing the Server Complex Profile	37
How the Complex Profile is Updated	37
Complex Profile Entry Locking and Unlocking	38
Complex Profile Group Details	39
Remote and Local Management of nPartitions	41
Intelligent Platform Management Interface (IPMI)	41
IPMI Block Transfer (IPMI BT)	42
nPartition Configuration Privilege	42
IPMI over LAN	42
Web-Based Enterprise Management (WBEM)	43
Local Management	43
Remote Management Using WBEM	44
WBEM Remote Management Files	44
nPartition Commands Support for Remote Management Using WBEM	45
Partition Manager Support for Remote Management Using WBEM	45
Remote Management Using IPMI over LAN	46
nPartition Commands Support for Remote Management Using IPMI over LAN	46
Partition Manager Support for Remote Management Using IPMI over LAN	47
Licensing Information: Getting Server Product Details	47
nPartition and Virtual Partition Unique Identifiers	47
2 nPartition Server Hardware Overview	49
sx1000 Chipset for HP Servers	49
sx2000 Chipset for HP Servers	49
Model Identifiers for Machine Hardware	49
Server Hardware Details: Cell-Based HP Servers	51
Two-Cell nPartition Server Model	55
Four-Cell nPartition Server Model	56
Superdome Server Models	57
HP Superdome 16-/32-Way Servers: SD16000, SD16A, and SD16B	58
HP Superdome 32-/64-Way Servers: SD32000, SD32A, and SD32B	58
HP Superdome 64-/128-Way Servers: SD64000, SD64A, and SD64B	59
HP Superdome I/O Expansion Cabinet	59
3 Planning nPartitions	61
nPartition Hardware Requirements for Operating Systems	61
Configuration Requirements for nPartitions	62
Recommended nPartition Configurations	63
Recommended HP Superdome nPartition Configurations	64
4 Using Management Interfaces and Tools	67
SMS (Support Management Station) for HP Superdome Servers	67
Overview of nPartition Service Processor (MP or GSP) Interfaces	67
Service Processor (MP or GSP) Features	68
Service Processor Accounts and Access Levels	69
nPartition Console Features	70
nPartition Console Access versus Direct OS Login	71
Boot Console Handler System Boot Environment	71
Extensible Firmware Interface System Boot Environment	72
Windows Special Administration Console (SAC)	72
Accessing and Using the Service Processor	74
Using Service Processor Menus	76
Navigating through Service Processor Menus	76
Network Configuration for a Service Processor	77
Viewing Console Logs	77
Viewing Chassis Codes or Event Logs	78
Virtual Front Panel (VFP) nPartition Views	79
Command Reference for Service Processor Commands	80
Command Reference for EFI Shell Commands	81
Command Reference for BCH Menu Commands	84
5 Booting and Resetting nPartitions	87
Overview of nPartition System Booting	87
Boot Process Differences for nPartitions on HP 9000 servers and HP Integrity servers	88
Types of Booting and Resetting for nPartitions	89
System Boot Configuration Options	91
HP 9000 Boot Configuration Options	91
HP Integrity Boot Configuration Options	91
Tools for Booting nPartitions	95
Task Summaries for nPartition Boot and Reset	96
Troubleshooting Boot Problems	100
Accessing nPartition Console and System Boot Interfaces	101
Monitoring nPartition Boot Activity	104
Finding Bootable Devices	106
Performing a Transfer of Control Reset	107
Booting and Shutting Down HP-UX	108
HP-UX Support for Cell Local Memory	108
Adding HP-UX to the Boot Options List	109
Booting HP-UX	110
HP-UX Booting	110
Single-User Mode HP-UX Booting	114
LVM-Maintenance Mode HP-UX Booting	116
Shutting Down HP-UX	117
Booting and Shutting Down HP OpenVMS I64	119
HP OpenVMS I64 Support for Cell Local Memory	120
Adding HP OpenVMS to the Boot Options List	120
Booting HP OpenVMS	122
Shutting Down HP OpenVMS	123
Booting and Shutting Down Microsoft Windows	124
Microsoft Windows Support for Cell Local Memory	124
Adding Microsoft Windows to the Boot Options List	125
Booting Microsoft Windows	126
Shutting Down Microsoft Windows	128
Booting and Shutting Down Linux	129
Linux Support for Cell Local Memory	129
Adding Linux to the Boot Options List	130
Booting Red Hat Enterprise Linux	131
Booting SuSE Linux Enterprise Server	132
Shutting Down Linux	134
Rebooting and Resetting nPartitions	135
Performing a Reboot for Reconfig	139
Shutting Down to a Shutdown for Reconfig (Inactive) State	141
Booting an Inactive nPartition	146
Booting over a Network	147
Booting to the HP-UX Initial System Loader (ISL)	149
Booting to the HP-UX Loader (HPUX.EFI)	150
Using HP-UX Loader Commands	151
HPUX.EFI Boot Loader Commands	151
HPUX Boot Loader Commands Issued from ISL	151
Booting to the Linux Loader (ELILO.EFI)	152
Linux Boot Option Management	153
Linux Loader Configuration File (elilo.conf)	153
Using Linux Loader (ELILO) Commands	154
Configuring Boot Paths and Options	155
Configuring Autoboot Options	158
Configuring Boot-Time System Tests	161
6 Creating and Configuring nPartitions	165
Tools for Configuring nPartitions	165
Task Summaries for Creating and Configuring nPartitions	165
Creating a Genesis Partition	170
Creating a New nPartition	172
Removing (Deleting) an nPartition	176
Assigning (Adding) Cells to an nPartition	179
Unassigning (Removing) Cells from an nPartition	182
Renaming an nPartition	185
Renaming a Server Complex	187
Setting Cell Attributes	189
Setting nPartition Core Cell Choices	194
Unlocking Complex Profile Entries	198
Canceling Pending Changes to the Complex Profile	199
7 Managing Hardware Resources	201
Tools for Managing Hardware	201
Task Summaries for Hardware Resource Management	201
Powering Server Cabinets On and Off	205
Powering Cells and I/O Chassis On and Off	206
Turning Attention Indicators (LEDs) On and Off	209
Configuring and Deconfiguring Cells	213
Configuring and Deconfiguring Processors	217
Enabling and Disabling Hyper-Threading on Dual-Core Intel® Itanium® 2 Processors	218
Configuring and Deconfiguring Memory (DIMMs)	220
Complex Health Analysis of a Server	222
8 Listing nPartition and Hardware Status	223
Tools for Listing Status	223
Task Summaries for nPartition and Hardware Status	223
Listing Cell Configurations	226
Listing Processor Configurations	227
Listing Memory Configurations	229
Listing Input/Output (I/O) Configurations	231
Listing Cabinets in a Server Complex	234
Listing Product and Serial Numbers	235
Listing nPartition Configurations	236
Listing the Local nPartition Number	237
Listing Power Status and Power Supplies	238
Listing Fan and Blower Status	240
A nPartition Commands	243
Specifying Cells and I/O Chassis to Commands	243
Cell Specification Formats	243
I/O Specification Format	244
Specifying Remote Management Options to Commands	247
parcreate Command	249
parmodify Command	252
parremove Command	256
parstatus Command	258
parunlock Command	260
fruled Command	262
frupower Command	264

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elilo.conf File Boot Options

You can specify the following options, among others, in an

elilo.conf

file to configure a Linux device's boot behavior. For more details refer to the

documentation for the Linux distribution you are using.

•

prompt

— Specifies to make the "

ELILO boot

" prompt available without requiring anything

to be typed.

•

timeout=

tsecs

— Sets the timeout duration in

tenths of seconds

. Following the timeout period,

either the

default

boot entry is selected, or if no default is specified the first boot entry is

selected.

•

default=

name

— Sets the boot option entry that is selected by default. The

name

listed

must match the

name

specified by a

label

option in the same

elilo.conf

file. When no

default

is specified, then the first boot entry is chosen if no other boot entry is requested.

•

image=

kernel

— Specifies the Linux kernel to boot. Typically, the

kernel

specified is a

vmlinuz

file. For example, the file

vmlinuz-2.4.18-e.12smp

is a kernel that resides on the EFI

partition as

\efi\redhat\vmlinuz-2.4.18-e.12smp

•

label=

name

— The

name

defined by the

label

option is the identifier you can reference

to invoke the boot entry for loading.

You can use the specified

name

at the "

ELILO boot

" prompt, or in a

default

option line

in the same

elilo.conf

file, to cause the boot entry to be used for loading Linux.

•

initrd=

image

— Specifies the initial RAM disk image used to initialize and start services

for booting the Linux kernel. The

image

file typically resides on the EFI partition in the same

directory as the corresponding Linux kernel file specified by the

image

option.

•

read-only

— Specifies that the root disk partition (specified by the

root

option) cannot

be modified during the Linux boot process.

•

root=

diskptn

— Indicates which device (

diskptn

) to mount as the root disk partition.

•

append="

options

— Specifies boot-time kernel options that are passed to the Linux kernel

when it is loaded.

Using Linux Loader (ELILO) Commands

You can control the Linux boot process by using the ELILO Linux loader commands to select a

non-default Linux boot configuration, specify additional boot options, or load a Linux kernel

whose path you explicitly specify.

See

“Booting to the Linux Loader (ELILO.EFI)” (page 152)

for details on accessing ELILO, using

ELILO and

elilo.conf

, and managing the

elilo.conf

file.

ELILO Linux Loader Commands

The following commands are available for use when interacting

with the ELILO Linux loader (the "

ELILO boot

" prompt).

Esc Enter

Exit the ELILO Linux loader.

Tab

List all entries (labels) in the current

elilo.conf

file.

(question mark)

List all disk devices available to the ELILO Linux loader.

Linux Booting Using ELILO Commands and Options

The following list describes uses of ELILO

to load Linux.

•

Select a non-default Linux boot configuration to be loaded.

Access the "

ELILO boot

" prompt.

Type the

Tab

key to list all boot configuration entries in the

elilo.conf

file.

Enter the name of the boot entry you want to load.

ELILO boot:

Tab

linux linux-up

(or any kernel file name: [dev_name:]/path/file)

ELILO boot:

linux-up

154

Booting and Resetting nPartitions