Use the Integrated Virtualization Manager With Linux on POWER
Transcript of 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.
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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
21
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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
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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
r
h
i
g
he
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
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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
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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
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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
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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
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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
IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBMIBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM
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
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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.
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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
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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
http://www.ibm.com/developerworks/systems/library/es-ivm/#resourceshttp://www.ibm.com/developerworks/systems/library/es-ivm/#resourceshttp://www.ibm.com/developerworks/systems/library/es-ivm/#resourceshttp://www.ibm.com/developerworks/systems/library/es-ivm/#resourceshttp://www.ibm.com/developerworks/systems/library/es-ivm/#resources -
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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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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
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Linux
partitio
n
2. The
Create
Partition
Wizard
window
willopen:
1. O
n
t
he
C
re
a
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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-
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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
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.
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
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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
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.
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
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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
,
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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
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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
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3. The
IVMView/M
odify
Partitions page
will
now
containthe
Linux0
1partitio
n.
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Figure
15.
IVM
view/m
odifypartitio
ns
4. A
virtual
Ethernet bridge
is
requiredto
provideaccess
fromthe
partitio
nsvirtual
Etherne
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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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of
"Runni
ng" anda
"Linuxppc64"
indicator as a
referenc
e codefor the
Linux0
1partitio
n.
Note:TheLinuxppc64indicator isdependenton theLinux
distributioninstalled.
Figure
18.
Status:
Running
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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
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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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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
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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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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
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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
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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
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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
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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
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u
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L
e
134
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a
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137
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r
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138
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139
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