Use the Integrated Virtualization Manager With Linux on POWER

8/8/2019 Use the Integrated Virtualization Manager With Linux on POWER

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Use the IntegratedVirtualization Manager with

Linux on POWERThe IBM Integrated Virtualization Manager (IVM) is a new componentof the Virtual I/O Server, which is included with the Advanced PowerVirtualization feature. With the use of IVM, customers can now managepartitions on an IBM POWER5 server without a HardwareManagement Console (HMC). This paper presents an overview of thefunctionality of IVM, lists some of the differences between the IVM andthe HMC, and illustrates how to use IVM to create and manage Linuxon POWER partitions.

Introduction

With IBM POWER5 and POWER5+ processor-based systems andAdvanced POWER Virtualization (APV), there are many opportunitiesfor consolidation and simplification of the IT environment. Multiplesolutions can be created that take advantage of the benefits from theapplication of virtualization. Some examples of solutions that benefitby utilizing virtualization are:

Server consolidation

Rapid deployment

Application development and testing Support for multiple operating system environments

The Advanced POWER Virtualization hardware feature includessoftware, firmware, and hardware enablement, which provide supportfor logical partitioning (LPAR), virtual LAN, and virtual I/O. In addition,servers featuring the POWER5 processor can utilize Micro-Partitioning, which provides the capability to configure up to 10logical partitions per processor.A key component of APV is the Virtual I/O Server (VIOS). The Virtual I/OServer provides sharing of physical resources between partitions,

including virtual SCSI and virtual networking. This allows more efficientutilization of physical resources through sharing between partitionsand helps facilitate server consolidation.To exploit the capabilities of APV, a system management interface isrequired. This function is often provided by a Hardware ManagementConsole (HMC). The HMC is a dedicated workstation that runsintegrated system management software. In some system installations

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an HMC may not be required, or for some businesses may not be acost-effective solution.The Integrated Virtualization Manager (IVM) is a browser-basedmanagement interface that is used to manage a single IBM Systemp5, IBM eServer p5, or IBM OpenPower server. It can be used to

create logical partitions, manage the virtual storage and virtualEthernet, and view service information related to the server. IVMprovides the required system management capabilities to small andmid-sized businesses, as well as larger businesses with distributedenvironments.IVM is provided as part of VIOS, starting with Version 1.2. Thefunctionality of IVM is supported in system firmware level SF235 orlater. When you install VIOS on a supported system that does not havea HMC present or previously installed, IVM is automatically enabled onthat server. Therefore, IVM provides a simplified, cost-effective solutionfor partitioning and virtualization management.

This article illustrates how to set up and use IVM and how to create andwork with Linux partitions.

Back to top

IVMoverviewPOWER5systemconfiguratio

nsIBMPOWER5processor-basedsystems aremanufactured in thefactorydefault, orunmanaged

configuration. In thisconfiguration, thesystem hasa singlepredefinedpartition.

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Thisconfiguration allows thesystem tobe used as

astandaloneserver withall of theresourcesallocated tothe singlepartition.Afteractivatingthe

virtualization feature,an HMC canbe attachedto thesystemsserviceprocessor toconvert theunmanagedsystem into

an HMC-managedsystem. Asan HMC-managedsystem, thesystem canexploitvirtualization, and thesystems

resourcescan bedividedacrossmultiplelogicalpartitions.When the

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system doesnot have anHMCavailable,an IVM-

managedsystem canbe createdthat can stillutilize thevirtualization and LPARcapabilitiesof thesystem. Toconvert the

unmanagedconfiguration into anIVM-managedsystem, theVIOS isinstalled inthe firstpartition onthe

unmanagedsystem. ThisVIOSpartitionowns all ofthe physicalI/Oresources ofthe system.Clientpartitions

can then becreatedusing theIVMinterface.All of theclientpartition I/O

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isvirtualizedthrough theVIOS.

Back to top

IVMcomponentsSystemadministrators canwork withLPARconfiguratio

ns throughIVMs Webbrowser-based orcommandlineinterface.Theseinterfacesare used tomanage and

configurethe clientpartitionsand thevirtual I/Oresources.Thebrowser-basedinterfaceprovides an

intuitive,easy-to-usemethod ofconnectingto the VIOSpartition ofthemanaged

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systemusingstandardwithnetwork

access. Thecommandlineinterfaceuses aninteractiveconsole, ora Telnetsession,with theVIOS

partition.Since IVM isnotconnectedto theserviceprocessor; ituses aVirtualManagement Channel

(VMC) tocommunicate with thePOWER5Hypervisor.Figure 1depicts theVIOS andIVMcomponents, along with

theiradministrationinterfaces.

Figure 1.

VIOS and

IVM

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components

Partitionscreated inan IVMmanagedsystem canutilize thefollowing

virtualization support:

Shared

process

orpartitio

ns or

dedicated

process

orpartitions

Micro-

partitioning

support

in

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shared

process

orpartitio

ns,

providing

shared

processor pool

usage

for

cappedand

uncappe

d

partitions

Uncapped

partitio

ns can

utilizeshared

process

or poolidle

processi

ngunits,

based

on anuncappe

d

weight

VirtualEtherne

t

supportallowin

g

logicalpartitio

ns to

share a

physical

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Etherne

t

adapter

Virtual

network

s withbridges

between

thevirtual

network

s and

thephysical

Etherne

t

adapters Virtual

SCSIsupport

allowin

g

logicalpartitio

ns to

share aphysical

SCSI

adapter

Assign

ment of

physicaldisks,

partial

disks,

orexternal

logical

unitnumber

s

(LUNs)to client

partitio

ns

Virtual

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optical

support

allowing

logical

partitions to

share a

CD orDVD

drive

Virtual

consolesupport,

with

virtual

terminalconsole

accessfrom

the

VIOS

partition

IVMlimitations

TheIntegratedVirtualization Managerprovides asubset ofthe HMCfunctionality. One shouldcarefullyconsider

businessneeds whendecidingwhether todeploy IVMor an HMC.Some of thelimitations

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when usingIVM includethefollowing:

Fulldynamic LPAR

support

is only

available for the

VIOS

partition

All

physicalI/O is

owned

by the

VIOSpartitio

n

There isno

support

for

redundant or

multipleVIOS

partitio

ns

Clientpartitio

ns can

have amaximu

m of 2

virtualEtherne

t

adapters

Clientpartitio

ns can

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have

only

onevirtual

SCSI

adapter No call-

home

servicesupport

is

provide

d

As seen bysome of

theselimitations,there areinstanceswhere anHMCmanagedsystem maybe requiredor moredesirable.

Someexamples oftheseinstancesincludesystemsthat requirecomplexlogicalpartitioning,client

partitionswithdynamicLPARsupport ordedicatedphysical I/Oadapters,

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redundantVIOSsupport,andcomplete

HMC-basedservicesupport.TheAppendixprovides atable thatcomparesIVM withHMC.

Back to top

Before youbeginThis articleassumesthat thereader has aworkingknowledge

of Linux,POWER5processor-basedserverhardware,partitioningconcepts,andvirtualization concepts.

To set upand use IVMto create aLinux-basedsolutionrequires thefollowingsystem and

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softwarecomponents:

1. One of

thefollowi

ng IBM

POWER5

process

or-based

servers:

o S

y

st

em

p5

50

5

,52

0

,a

n

d

5

5

0o e

S

er

v

er

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p

5

5

10

,

52

0

,

an

d

55

0

o O

p

en

P

o

we

r7

1

0

a

n

d

7

20

2. System

microcode,

Version

SF235_160 or

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later.

Notes:

1. T

he

M

i

cr

o

co

d

e

u

p

da

t

e

f

i

le

s

C

D

-R

O

M

i

ma

g

e

c

a

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n

be

d

ow

n

lo

a

de

d

fr

o

m

I

BM

.

(

Se

e

R

e

so

u

rc

e

s

.)

2. I

f

a

17
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d

ia

g

no

s

ti

c

CD

i

s

ne

e

d

ed

to

in

s

ta

l

l

th

e

n

e

w

f

i

r

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m

w

ar

e

l

e

ve

l

,

th

e

St

an

d

a

lo

n

e

D

ia

g

no

s

t

ic

s

C

D

-R

O

M

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i

m

ag

e

c

a

n

b

e

d

o

w

nl

oa

d

e

d

f

ro

m

I

B

M.

(

S

ee

Re

s

ou

r

c

e

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s

.

)2. The

virtualiz

ationfeature

for the

Systemp5,

eServer

p5, or

OpenPower

server:

o

Th

e

Ad

v

an

c

e

d

P

OW

E

R

V

ir

t

ua

l

i

za

t

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i

o

n

f

ea

t

ur

e

o T

he

A

dv

an

c

ed

O

pe

nPo

w

er

V

ir

t

ua

l

iz

a

ti

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o

n

f

e

at

u

re

OpenPower 710

OpenPower 720

System p5 505 ExpresseServer p5 510 and 510Express

eServer p5 520 and 520

Express

System p5 520 Express

eServer p5 550 and 550

Express

System p5 550 Express

System p5 550Q Express

3. Virtual

I/O

ServerVersion

1.2 or

greaterinstallat

ion CD

4. Asupport

ed

Linux

distribution:

o S

US

E

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L

in

u

x

E

nt

e

r

pr

i

s

e

Se

r

v

er

9

f

or

PO

W

E

R

(

SL

E

S9

)

o R

e

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d

Ha

t

En

t

er

p

r

is

e

Li

nu

x

AS

3

f

or

PO

W

E

R

(

RH

E

L3

)

,

U

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p

d

at

e

2

or

l

at

e

r

Note:RHE

L3isnots

upported

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on

Systemp5E

xpressserv

ers.

o R

e

d

H

a

tE

n

t

er

p

r

27


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i

s

e

Li

nu

x

A

S

4

for

PO

W

ER

(

RH

E

L4

)

5. A PC

with aserial

terminal

application (for

exampl

e, LinuxMinico

m or

Windows

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HyperT

erminal

) or aserial

terminal

.6. A 9-pin

serial

crossover

connect

ion

(nullmodem)

cable

7. A

networkconnect

ed Webbrowser

:

o N

et

s

c

ap

e

7

.

1,

o

r

h

ig

h

e

r

o M

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i

c

ro

s

of

t

In

t

e

rn

e

t

Ex

pl

o

r

er

6.

0

,o

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i

g

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r

o M

o

zi

l

la

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1

.7

.

X

o F

ir

e

f

ox

1

.0

,o

r

h

i

g

he

r

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Back to top

Setup andconfiguratio

n of an IVMmanagedsystemSetting upandconfiguringan IVMmanagedsystemrequires aserial

terminalapplication(Minicom onLinux orHyperTerminal onWindows,forexample)running ona PC that is

plugged intothesystemsserial port 1by a 9-pinserialcrossover,or nullmodem,cable. Inaddition,

you willneed toconnect theflexibleserviceprocessorsLink HMC1Ethernet

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connectionto yournetwork.With thefollowing

steps, theflexibleserviceprocessor(FSP) can beinitializedand theVIOSinstalled.Note: Thefollowing

setup stepsassume thatthe systemis in themanufacturing defaultconfiguration, orunmanagedsystemstate. If

necessary,the systemcan be resetto themanufacturing defaultconfiguration by usingthe serviceprocessorsSystem

Service Aidsmenu,FactoryConfiguration option.Initialize theserviceprocessor

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1. Set the

terminal

applications

connection to

19200bits per

second,

8 databits, no

parity, 1

stop bit.2. Power

on the

systemandpress a

key on

theterminal

to

receivethe

service

process

orprompt.

3. Log in

with theUser IDadmin

and the

default

password

admin.

When

prompted to

changeusers

passwor

ds,

changethe

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admin

passwor

d.4. From

Networ

kService

s >

Network

Configu

ration >

Configure

interfac

e Eth0,

set thestatic

mode,the IP

address,

and the

subnetmask.

Other

interface

settings

canoptional

ly be

set.

Listing

1.

Interfa

ce

settings

MAC address: 00:02:55:2F:FC:04Type of IP address: Static

1. Host name (Currently: OP710)2. Domain name (Currently: company.com)3. IP address (Currently: 10.10.10.109)

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4. Subnet mask (Currently: 255.255.255.0)5. Default gateway (Currently: 10.10.10.1)6. IP address of first DNS server7. IP address of second DNS server8. IP address of third DNS server9. Save settings

98. Return to previous menu99. Log out

S1>

5. Select

Save

settings

andconfirm

the

changesto reset

the

serviceprocess

or.

6. Open a

Web

browserand

connectto the

IP

addressset on

the FSP

usingHTTPS

protocol

(forexample,https://10.10.1

0.109).The

Advanc

ed

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System

s

Management

interfac

e(ASMI)

will be

displayed.

TheAdvancedSystems

Managementinterface(ASMI)cannowbeaccessed

fromeithertheserialconsole ortheWebinterface.The

followingstepsillustratehowto setdate

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andtimeandenabl

evirtualizationof themachinethrough theWebASMI.You

canperform thesametasksusingtheFSPmenuthrough the

serialconsole. Irecommendtheuse oftheWebinterface to

access theASMItoperformFSP-relate

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o

u

gh

t

he

se

r

ia

l

con

s

ol

e

,t

h

e

m

a

ch

i

ne

mu

s

t

be

in

40


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p

o

we

r-

of

f

s

t

at

e

wh

i

le

th

e

FS

P

i

s

p

o

we

r

e

d

o

n.

o T

41


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o

us

e

t

h

e

F

S

P

m

e

nu

s,

y

o

u

a

re

re

q

ui

r

e

d

t

o

b

e

p

h

y

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s

i

ca

l

ly

ne

a

r

t

o

th

e

m

a

ch

i

ne

si

n

ce

a

c

o

nn

e

ct

i

o

n

43


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t

o

a

P

C

t

h

r

ou

g

h

a

s

e

r

ia

l

co

n

ne

c

ti

o

n

(

n

ul

l

mo

d

e

m

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)

ca

b

le

is

r

eq

u

i

re

d.

o I

ti

s

mo

re

c

on

v

e

ni

e

nt

t

o

u

se

45


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t

he

We

b

i

n

t

er

f

a

ce

t

o

ac

c

es

s

t

h

e

A

S

MI

,

an

d

u

s

e

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t

h

e

s

er

i

al

c

o

ns

o

l

e

to

b

ri

n

g

u

p

t

he

S

ys

t

em

Ma

n

a

g

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e

m

en

t

Se

r

vi

c

e

s

(

S

MS

)

m

e

nu

s

t

o

i

n

st

a

l

lt

h

e

V

IO

s

e

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r

v

er

.

7. Log into the

ASMI

withUser IDadmin

and the

changed

password, as

shown

in

Figure2.

Figure

2.

ASMI

login

page

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8. Select

System

Configuration

> Time

Of Day

in the

navigati

on area.Enter

the date

andtime

basedon theUTC

time.

Click

Save

Setting

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s.

Note:Youcan

findthecurrent UTCtimeathttp://tycho.usno.navy.mil/cgi

-bin/timer.pl.

Figure

3.

Setting

system

configu

ration-- Time

of day

51
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9. Select

Power/Restart

Contro

l >

Power

On/Off

System.

In Bootto

system

server

firmware, select

Standb

y, and

click

Save

settings

and

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power

on.

Figure4.

Poweri

ng on

to boot

system

server

firmwa

re to

standb

y mode

10. Wait

severalminutes

for the

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system

to

poweron. If

you re-

displaythe

Power

On/OffSystem

page,

the

currentsystem

server

firmwar

e stateshould

be at"standb

y".

Select

On

Deman

d

Utilities

> CoD

Activat

ion.Enter

the

CoDActivati

on code

for the

Advanced

Power

Virtualization

feature,

andclick

Contin

ue.

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Figure

5.

Enterin

g the

CoDactivati

on code

InstallVirtual I/OServerNow that

the FSP isset up, VIOScan beinstalledandconfigured.This willagain

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require theuse of theserialterminalapplication

on the PCconnectedto thesystemserial port.

1. Insert

theVIOS

Version

1.2 disk

into thesystem

CD/DV

D drive.2. From

the

ASMIWeb

interfac

e, select

Power/

RestartContro

l >

Power

On/Off

System.Select

Runnin

g forBoot to

system

serverfirmware, and

click

Save

settings

and

power

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on.

3. Wait

for theprompt

on the

serialterminal

and

thenpress 0to select

the

activeconsole.

4. Wait

for the

bootscreen

toappear

on the

serial

console.Immedi

ately

press 1after the

word

Keyboard is

displaye

d to goto the

SMS

(System

Management

Service

s)Menu.

Listing

2. Boot

screen

on

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serial

termin

al

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1 = SMS Menu 5 = Default Boot List8 = Open Firmware Prompt 6 = Stored Boot List

Memory Keyboard Network SCSI Speaker

5. Enter the

admin

useraccounts

passwor

d whenprompte

d for it.

6. After the

SMS

Main

Menu isdisplaye

d, select

thefollowi

ng SMS

options:

Select

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Boot

Option

s >

Select

Install/

BootDevice

> List

all

Devices

> IDE

CD-

ROM

(use

SCSI

CD-

ROM,if the

drive isa SCSI

CD or

DVD

drive).7. Select

Normal

Mode

Boot,

followe

d by

Yes to

exit

SystemManage

ment

Service

s.8. The

system

beginsto boot

the

VIOSdisk

image.

After

several

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minutes

(possibl

y a longtime on

some

systemswith

many

I/Odevices)

, the

"Welco

me tothe

Virtual

I/O

Server"boot

imageinforma

tion

will be

displayed.

When

asked todefine

the

systemconsole,

enter

thenumber

that is

displaye

d asdirected

-- the

number

2 in this

exampl

e.

Listing

3.

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Define

system

console

******* Please define the System Console. *******

Type a 2 and press Enter to use this terminal as thesystem console.

Pour definir ce terminal comme console systeme, appuyezsur 2 puis sur Entree.

Taste 2 und anschliessend die Eingabetaste druecken, umdiese Datenstation als Systemkonsole zu verwenden.

Premere il tasto 2 ed Invio per usare questo terminalcome console.

Escriba 2 y pulse Intro para utilizar esta terminal comoconsola del sistema.

Escriviu 1 2 i premeu Intro per utilitzar aquestterminal com a consola del sistema.

Digite um 2 e pressione Enter para utilizar este terminalcomo console do sistema.

9. Enter 1

tochoose

English

during

theinstall.

10. Whenasked to

choose

the

installation

preferen

ces,enter1

tochoose

Start

Install

Now

with

Default

Setting

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s.

11. On the

SystemInstallat

ion

Summary,

make

surehdisk0

is the

only

diskselected

and

enter1

toContinu

e withinstall.

12. The

installat

ionprogres

s will

bedisplaye

d.

Listing

4.

Installa

tion

progres

s

Installing Base Operating System

Please wait...

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Approximate Elapsed time% tasks complete (in minutes)

57 18 67% of mksysb data restored.

13. When

theinstallat

ion

completes, the

system

will

reboot.Log in

as userpadmin

with the

default

passwor

dpadmin. When

prompte

d,change

the

password.

14. To view

theVIOS

license

agreement,

enter:license view

15.

16. To

accept

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the

license,

enter:license accept

17.18. To

create

theVIOS

virtual

Ethernet

interfac

es,enter:mkgencfg -o init

19.

20. To findthe

Ethernet

interfac

e(s) that

will beused for

the

serversexternal

connection(s)to the

network

, enter:lsdev | grep ent

21.22. T

hetwomarke

d with"2-Port10/100/1000Base-TX

64


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PCI-XAdapter"(ent0and

ent1)aretheonboardEthernetadapters.

23.

Listing

5.Onboa

rd

Ethern

et

adapte

rs

$ lsdev |grep entent0 Available 2-Port 10/100/1000 Base-TX PCI-X Adapter (1410890ent1 Available 2-Port 10/100/1000 Base-TX PCI-X Adapter (1410890

ent2 Available Gigabit Ethernet-SX PCI-X Adapter (14106802)ent3 Available Gigabit Ethernet-SX PCI-X Adapter (14106802)ent4 Available Virtual I/O Ethernet Adapter (l-lan)ent5 Available Virtual I/O Ethernet Adapter (l-lan)ent6 Available Virtual I/O Ethernet Adapter (l-lan)ent7 Available Virtual I/O Ethernet Adapter (l-lan)ibmvmc0 Available Virtual Management Channel$

24.

25. Enter

the

mktcpip

comma

nd to

configure the

network

interfac

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e(s) for

the

Ethernet

adapter(

s) thatthe

VIOS

willuse. In

this

exampl

e, thenetwork

cable is

plugged

into theent0

adapterand is

connect

ed to

the10.10.1

0.0

network. The

interfac

e en0,which

is the

corresponding

VIOS

network

interface for the

physical

Ethernet device

ent0,

will beconfigu

red with

the IP

address

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10.10.1

0.110.

$ mktcpip -hostname IBMOP_VIO -inetaddr 10.10.10.110 -interface en0 \-netmask 255.255.255.0 -gateway 10.10.10.1 start

26. Optionally,

addition

alcustomi

zation

ofVIOS

can be

done atthis

point.

In

addition, the

system

is nowready

for use

as an

IVM-manage

d

systemusing

the

IVMWeb

interfac

e.

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Back to top

Using IVM tocreate a

LinuxpartitionNow thatVIOS isinstalledandconfigured,IVM can beused tomanage thesystem and

itsresources.Whencreating apartition,storageshould firstbe allocatedfor thepartition.This storage

will be usedas a virtualdisk for aLinuxpartition. Apartitioncan then becreatedusing awizard.Finally, a

Linuxdistributioncan beinstalledinto thatpartition.The Linuxinstallation

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can beperformedwith anetwork ora CD-based

install. Thissection willdemonstrate theinstallationbased on aCD install.Createdefaultstorage pooland space

for a virtualdisk

1. Open a

Web

browser

withnetwork

access

to theEtherne

tadapterthat was

configu

red for

VIOSto the

IP

addressof the

VIOS --

http://10.10.10.

110.

Log into IVM

using

the

User ID

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padmin

and thepasswor

d that

wascreated

for

padmin.

Figure

6. Log

in to

IVM

2. TheIVM

View/M

odify

Partitions page

will

display.

70


71/140

Examin

e the

SystemOvervie

w

information and

the

Partition

Details.

Notice

that theonly

partitio

n that is

currently

displayed is the

VIOS

partitio

n, witha

default

partition name

that is

basedon the

system

serialnumber.

Figure

7.

System

overvie

w and

partitio

n

details

71


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3. When

creating

apartitio

n,

storagemust be

allocate

d forthe

partitio

n. Thisstorage

comes

from a

sharedstorage

pool,

whichis

manage

d byVIOS.

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The

default

storagepool

used is

set asrootvg.

When

VIOS isinstalle

d, the

rootvg

is set tohdisk0,

which

is the

samedisk

thatcontains

VIOS.

It is

considered a

good

practiceon

systems

withseveral

disks to

create anew

storage

pool

anddefine it

as the

defaultstorage

pool.

SeeResourc

esfor

more

informa

73
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tion on

the use

of thestorage

pool

andadvance

d

storageconfigu

rations.

Tocreateastorag

e poolwithotherdriveson thesystem,fromtheStorage

Managementmenuin thenavigationarea,clickCreate

Devices,andclickon theAdvancedCreat

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eDevicestab.

ThenclickonCreateStoragePool.

Figure

8.Create

storage

Pool

4. Fromthe

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Create

Storage

Poolwindow

, enter astorage

poolnameLinuxPo

olvg.

Select

hdisk1

and

hdisk2.

Click

OKto

create

thepool.

Figure

9.

Create

storage

pool

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5. From

theStorage

Manage

mentmenu,

click

Advanc

ed

View/

Modify

Devices

. Thenon the

StoragePools

tab,

select

LinuxP

oolvg.

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Click

on the

Assign

as

default

storagepool

task on

thebottom

of the

page.

Figure

10.

Assignas

default

storage

pool

6. On theAssign

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80/140


81/140

select

GB.

Thenclick

OK.

Figure

12.

Enter

logical

volume

name

and

size

9. From

theStorage

Managementmenu

Advanc

ed

View/

Modify

Devices

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page,

the

newlycreated

Linux0

1LVvolume

can

now beseen.

Create theLinuxpartition

1. Create

theLinux

partitio

n with

theCreate

Partitio

nWizard.

From

the

Partition

Management

menu,

click

Create

Partitio

ns.

Click

Start

Wizard.

Figure

13.

Create

the

82


83/140

Linux

partitio

n

2. The

Create

Partition

Wizard

window

willopen:

1. O

n

t

he

C

re

a

83


84/140

t

e

P

a

rt

i

ti

o

n

:N

a

m

e

wi

n

d

ow

,

en

t

er

Pa

r

t

it

i

on

ID

2

a

84


85/140

n

d

P

a

rt

i

ti

o

n

n

a

m

eLinux01

.

Cl

i

c

k

N

e

x

t

.2. O

n

th

e

C

r

ea

85


86/140

t

e

P

a

rt

i

ti

o

n

:M

e

m

or

y

w

i

nd

o

w,

e

nt

e

r

A

s

si

g

ne

d

m

e

m

o

86


87/140

r

y

768

a

nd

se

l

e

ct

MB

.

C

li

c

k

N

e

xt

.

3. On

th

e

C

re

at

e

P

a

87


88/140

r

t

it

i

on

:

Pr

o

c

es

s

o

rs

w

i

n

do

w

,s

e

le

c

tA

s

s

ig

n

ed

pr

o

c

e

88


89/140

s

s

or

s

2

an

d

se

l

e

ct

S

h

a

r

e

d

.

Cl

i

ck

N

e

x

t

.4. O

n

t

h

e

C

r

e

89


90/140

a

t

e

P

ar

t

it

i

o

n:

V

i

rt

ua

l

E

th

e

rn

e

tw

i

nd

o

w

,s

e

le

c

tV

i

r

t

90


91/140

u

a

lE

t

he

r

ne

t

1

f

o

r

A

da

p

t

er

1.

C

li

c

k

N

e

x

t

.

5. On

th

e

C

91


92/140

r

e

at

e

P

a

rt

i

t

io

n

:

St

or

a

g

e

T

yp

e

w

i

nd

o

w

,y

o

u

c

an

e

i

92


93/140

t

h

er

cr

e

at

e

a

v

i

rt

ua

l

d

is

k

f

r

om

th

e

de

f

au

l

ts

t

o

r

93


94/140

a

g

e

p

oo

l

or

a

ss

i

g

n

an

e

xi

s

ti

n

g

v

ir

t

u

al

d

is

k

o

r

a

94


95/140

p

hy

s

ic

a

lv

o

l

um

e

.

To

u

t

i

li

z

e

t

he

20

G

B

L

i

nu

x

01

L

V

95


96/140


97/140

s

i

g

n

ex

i

s

t

i

n

g

v

i

rt

u

a

l

d

i

s

k

s

a

n

d

p

h

y

s

i

c

a

l

v

o

l

u

m

e

s

97


98/140

.

C

li

c

k

N

e

x

t

.

6. On

t

he

C

r

e

at

e

P

a

rt

i

ti

o

n

:S

t

or

a

ge

w

i

98


99/140

n

d

ow

,

se

l

ec

t

t

he

a

va

il

a

b

le

vi

r

tu

a

ld

i

s

k

L

i

n

u

x

0

1

L

V

99


100/140

.

C

li

c

k

N

e

x

t

.

7. On

t

he

C

r

e

at

e

P

a

rt

i

ti

o

n

:O

p

ti

c

al

w

i

n

100


101/140

d

o

w,

t

o

a

ss

i

g

n

t

h

e

DV

D

dr

i

ve

to

th

i

s

p

a

rt

i

ti

o

n

,

101


102/140

s

e

le

c

tc

d

0

.

C

l

ic

k

Ne

x

t

.

8. R

ev

i

ew

th

e

C

r

e

at

e

P

a

rt

i

t

i

102


103/140

o

n

:S

u

mm

a

ry

.

T

he

n

cl

ic

k

F

i

n

i

s

h

.

Figure

14.

Review

the

create

partitio

n

summa

ry

103


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3. The

IVMView/M

odify

Partitions page

will

now

containthe

Linux0

1partitio

n.

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105/140

Figure

15.

IVM

view/m

odifypartitio

ns

4. A

virtual

Ethernet bridge

is

requiredto

provideaccess

fromthe

partitio

nsvirtual

Etherne

105


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t to the

external

network. From

the

VirtualEtherne

t

Management

menu,

click

View/

Modify

Virtual

Ethern

et.Click

on the

Virtual

Ethern

et

Bridge

tab. For

the

VirtualEtherne

t ID 1,

selectthe

Physica

lAdapter

ent0.

Click

Apply.

Figure

16.

Virtual

Ethern

et

bridge

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Install Linuxinto thepartition

1. Toinstall

Linux,

insert

theLinux

distribu

tioninstallat

ion CD

in theCD/DV

D drive.

2. Start a

virtualconsole

running

in the

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VIO

server.

Telnetto

10.10.1

0.110,log in

as

padmin,and

enter

the

commandmkvt id 2

(since 2

is thepartitio

n ID forthe

Linux0

1

partition). The

console

willthen

waituntil thepartitio

n is

activate

d.

Listing

6.

Virtual

console

# telnet 10.10.10.110Trying 10.10.10.110...Connected to 10.10.10.110.Escape character is '^]'.

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telnet (IBMOP_VIO)

IBM Virtual I/O Server

login: padminpadmin's Password:

Last login: Wed Sep 28 15:34:44 CDT 2005 on /dev/pts/0 from 10.10.10.20$ mkvt -id 2

3. Linux

can

now beinstalle

d by

activati

ng thepartitio

n and

usingSystem

Manage

mentService

s (SMS)

fromthe

virtualconsole.

FromIVMs

Partitio

nManage

ment

menu

View/

Modify

Partitions,

select

the

partition

Linux0

1, and

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then

select

the

Activat

e taskon the

bottomof the

page.

Figure

17.

Activat

e the

Linuxpartitio

n

4. On the

Activate

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Partitio

ns page,

click

OK.

5. Switch

back tothe

telnet

sessionwith the

virtual

console.

As thepartitio

n boots

up,

press 0to select

thissession

as the

console.

6. Waitfor the

boot

screento

appear

on thevirtual

console.

Immediately

press 1after the

wordKeyboa

rd is

displayed, to go

to the

SMSMenu.

7. After

the

SMS

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Main

Menu is

displayed, select

the

following SMS

options:

Select

Boot

Option

s >

Select

Install/

Boot

Device

> Listall

Devices

> SCSI

CD-

ROM .

Note:Evenif thephysic

aldriveis anIDEDVDdrive,thevirtualopticaldriver

reports itbacktoSMSandLinuxas a

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SCSICD/DVDdrive.

8. Select

Normal

Mode

Boot,

followe

d by

Yes to

exit

System

Manage

mentService

s.9. The

system

beginsto boot

the

Linuxinstallat

ion CD.

Proceedat thispoint

with the

standard Linux

installat

ionprocess.

10. When

the

installation is

complet

e, thevirtual

console

can beclosed

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115/140

of

"Runni

ng" anda

"Linuxppc64"

indicator as a

referenc

e codefor the

Linux0

1partitio

n.

Note:TheLinuxppc64indicator isdependenton theLinux

distributioninstalled.

Figure

18.

Status:

Running

115


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117/140

for the VIOS(partition ID1) can bemodifieddynamically

. This isaccomplished byselectingthe PartitionManagement menuView/ModifyPartitionspage, and

thenselectingthePropertiestask. Figure19 shows anexample ofmodifyingtheProcessingUnits

assignedsetting forthe VIOSpartitionwith thePropertiestask.

Figure 19.

Modify the

processing

resources forthe VIOS

partition

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Resourcesfor theLinuxpartitionscan be alsobe modifiedfrom thePartitionManagement menuView/Modif

yPartitions>Propertiestask.However,changes tothe

118


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memory,processing,and virtualEthernetresources

can only bemade whenthe Linuxpartition isnot active.In addition,aftermaking theresourcechange onthe

Propertiestask, Linuxmust berebooted.Figure 20shows anexample ofchangingtheassignedprocessing

unitsassigned toa Linuxpartition.

Figure 20.

Modifying the

processing

resources for a

Linux parition

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120/140

To addadditionalstorage to aLinuxpartition,first createanothervirtual diskfrom theStorageManagemen

t menuCreateDevicespage. ClickCreateVirtualDisk, andenter the

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new virtualdiskinformation.Then clickOK. Figure

21 shows anexample ofcreating anew virtualdisk.

Figure 21.

Create a

virtual disk

TheView/ModifyPartitions >properties

task can beused toassignstorage to aLinuxpartition.Changescan be

121


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made to thestorage andopticaldevicesproperties

while thepartition isactive.However,the storagedevice mustnot be inuse byanotherpartition.Figure 22

shows theassigning ofthe newvirtual diskLinux01disk,createdabove, tothe Linux01partition.

Figure 22.

Assign avirtual disk to

a partitions

storage

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With SLES9SP2, theSCSI buscan berescannedwith thebash shellscript/bin/rescan-scsi-bus.shto make the

virtual diskavailable.However,with RHEL3and RHEL4,the partitionmust berebooted for

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theoperatingsystem topick up thenew SCSI

device.In SLES9SP2, thelsscsi

commandcan be usedto list allSCSIdevices andfind the newSCSI device.

In SLES orRHEL, thefdisk l

commandcan be usedto displayinformationabout thevirtualdisks. Thenew virtual

disk canthen bepartitionedwith thefdisk

command.The mkfscommandcan be usedto build aLinux filesystem, andthen thediskpartitioncan bemountedwith themount

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command.Analternativemethod ofadding

morestorage to aLinuxpartition isto extend acurrentvirtual disk.This can bedone byusing theStorage

Management menuView/Modify Devices,and thenselectingthe Extendtask. Figure23 shows anexample ofusing the

ExtendVirtual Disktask toincrease theLinux01LVstoragespace bythe 10GB.After thedisk isextended,

the Linuxpartitionmust beshut down.IVM shouldthen beused todetach the

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127/140

Back to top

SummaryLogical

partitioningcan be anintegralcomponentof asuccessfulserverconsolidation strategy.With theIntegrated

Virtualization Manager,coupledwith theperformance ofPOWER5systems,businessescanleverage an

easy-to-use,intuitive,and cost-effectivesolution forcreatingpartitionsand workingwithvirtualization resources.

IVMprovides asystemmanagement solutionthat isespeciallysuited for

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small andmid-sizedbusinesses,as well aslarger

businesseswithdistributedenvironments. Thisarticlediscussedsome of thecapabilitiesandlimitations

of IVM, aswell as howit can beused towork withLinuxpartitions.For moreinformationabout usingIVM for

systemmanagement, refer toResourcesbelow.

Back to top

AppendixComparison

of IVM andHMC

Physical footprint

Installation

128
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Managed Operating

Systems supported

Virtual console

support

User security

Network security

Supported Hardware

Multiple systemsupport

Redundancy

Maximum number ofpartitions supported

Uncapped Partition

Support

Dynamic Resource

Movement (DLPAR)

I/O Support for AIX

and Linux

I/O Support for i5/OS

Maximum # of

virtual LANs

Fix/Update processfor Manager

Adapter microcode

updates

Firmware updates

I/O Concurrent

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Maintenance

Scripting and

Automation

Capacity on Demand

Workload

Management (WLM)

Groups Supported

LPAR ConfigurationData Backup and

Restore

Support for multiple

profiles per partition

Serviceable eventmanagement

Hypervisor andservice processor

dump support

Remote support

ResourcesLearn

The

"Virtual

I/O

Server:Integrat

ed

Virtualization

Manager"Redpap

er

provide

s anintroduc

tion to

130
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IVM,

describi

ng itsarchitec

ture andshowin

g howto

install

andconfigu

re a

partitioned

server

usingitscapabili

ties.

"IBM

Integrated

Virtuali

zation

Manager:

Loweri

ng thecost of

entry

intoPOWE

R5

virtualization"

provide

s an in

depthovervie

w of

IVMwith

some

deployment

131
https://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdfhttps://www.ibm.com/systems/p/hardware/meetp5/ivm.pdf


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exampl

es.

IBM

eServer

Hardware

Informa

tionCenter:

Partitio

ningwith the

Integrat

edVirtuali

zation

Manager

provide

s

information on

how to

createlogical

partitio

ns on asingle

manage

d

system,manage

the

virtualstorage

and

virtualEtherne

t on the

managed

system,

and

viewservice

informa

132
http://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htmhttp://publib.boulder.ibm.com/infocenter/eserver/v1r3s/index.jsp?topic=/iphch/iphchkickoff.htm


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tion

related

to themanage

d

system.

IBM

eServerHardwa

re

Information

Center

provides

informa

tion tofamiliar

ize you

with the

hardware and

softwar

erequired

for

logicalpartitio

ns and

to

prepareyou to

plan for

andcreate

logical

partitions on

your

server.

Look at

these:o L

i

n

133
http://publib.boulder.ibm.com/infocenter/iseries/v1r2s/en_US/index.htm?info/iphat/iphatlparconceptskickoff.htmhttp://publib.boulder.ibm.com/infocenter/iseries/v1r2s/en_US/index.htm?info/iphat/iphatlparconceptskickoff.htmhttp://publib.boulder.ibm.com/infocenter/iseries/v1r2s/en_US/index.htm?info/iphat/iphatlparconceptskickoff.htmhttp://publib.boulder.ibm.com/infocenter/iseries/v1r2s/en_US/index.htm?info/iphat/iphatlparconceptskickoff.htmhttp://publib.boulder.ibm.com/infocenter/iseries/v1r2s/en_US/index.htm?info/iphat/iphatlparconceptskickoff.htmhttp://publib.boulder.ibm.com/infocenter/iseries/v1r2s/en_US/index.htm?info/iphat/iphatlparconceptskickoff.htmhttp://publib.boulder.ibm.com/infocenter/iseries/v1r2s/en_US/index.htm?info/iphat/iphatlparconceptskickoff.htmhttp://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://publib.boulder.ibm.com/infocenter/iseries/v1r2s/en_US/index.htm?info/iphat/iphatlparconceptskickoff.htmhttp://publib.boulder.ibm.com/infocenter/iseries/v1r2s/en_US/index.htm?info/iphat/iphatlparconceptskickoff.htmhttp://publib.boulder.ibm.com/infocenter/iseries/v1r2s/en_US/index.htm?info/iphat/iphatlparconceptskickoff.htmhttp://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/


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http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/http://www.ibm.com/developerworks/linux/power/


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137
http://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/power


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138
http://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/powerhttp://www.ibm.com/servers/enable/linux/power


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139
http://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linux


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http://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.redbooks.ibm.com/http://www.redbooks.ibm.com/http://www.redbooks.ibm.com/http://www.redbooks.ibm.com/http://www.redbooks.ibm.com/http://www.redbooks.ibm.com/http://www.redbooks.ibm.com/http://www.ibm.com/linuxhttp://www.ibm.com/linuxhttp://www.redbooks.ibm.com/http://www.redbooks.ibm.com/

Use the Integrated Virtualization Manager With Linux on POWER

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