PowerHA

Transcription

PowerHA

IBM Power Systems
PowerHA™ SystemMirror for AIX V6.1
Thierry Desbourdes - [email protected]
Philippe Hermès
- [email protected]
© 2010 IBM Corporation
IBM System & Technology group
IBM Power Systems
AGENDA
 PowerHA : une famille de produit
 PowerHA System Mirror pourquoi ?
 PowerHA System Mirror : Les versions
 PowerHA System Mirror : Atouts
 WebSMIT
 Questions/Réponses
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IBM Power Systems
PowerHA
Solutions de haute disponibilité pour UNIX and I
 PowerHA™ SystemMirror for AIX®
 PowerHA for i
 PowerHA pureScale
www.ibm.com/systems/power/software/availability
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IBM Power Systems
Technologies PowerHA
Solutions de haute disponibilité Power Systems
PowerHA SystemMirror



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Active/Standby HA/DR Clustering
– Haute disponibilité niveau data center
(HA)
– Capacité Multi site pour reprise après
sinistre (DR)
PowerHA SystemMirror for AIX
PowerHA SystemMirror for IBM i
PowerHA pureScale


Active/Active Cluster Management
Interconnect Technology
– Faible latence/très haute performance de
transfert (infiniband/rdma)
– Distributed cluster coordination
– Gestion des verrous centralisée
Technologie Intégrée dans DB2 pureScale
IBM Power Systems
DB2 pureScale
 Scalabilité
– Déployer et croître selon vos besoins
 Transparent au niveau des
applications
– Aucunes modifications nécessaires
 Disponibilité permanente de vos
données
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IBM Power Systems
DB2 Purescale intègre la technologie PowerHA Purescale
Répartition de charge
Topologie
Cluster de noeuds DB2 sur
serveurs Power
Gestion centralisée des
verrous + gestion mémoire
Integrated Cluster
Manager
InfiniBand network (rdma)
Données partagées
(GPFS)
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IBM Power Systems
POWERHA SYSTEM MIRROR
 POURQUOI ?
 Haute disponibilité des données au niveau du data center
 Intégration à un plan de reprise d’activité (multi sites)
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IBM Power Systems
Construire une infrastructure dynamique…
AMELIORER LE SERVICE
REDUIRE LES COUTS
• Trois impératifs:
GERER LES RISQUES
Virtualisation
Efficacité
Energétique
Sécurité
Gestion du
Service
Résilience
de l’activité
Gestion des
actifs
Infrastructure
de
l’information
 Améliorer le service
 Réduire les coûts
 Gérer les risques
• Six initiatives de base:






Virtualisation
Efficacité énergétique
Résilience de l’activité
Infrastructure de l’information
Gestion des actifs/ressources
Sécurité
• Options clés pour le déploiement:
 Cloud Computing
 Externalisation
 Offres Mid-Market
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IBM Power Systems
L'échelle de la disponibilité
ou le temps maximum d’arrêt non planifié accepté
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IBM Power Systems
VOS OBJECTIFS [ exemple ]
3 groupes d'applications réparties en trois catégorie :
Catégorie 1
RTO > 0 < 4H
(aucun RTO =0, le plus critique de quelques minutes à 15 mn)
RPO: = ou > 0 et < 4H
Réplication synchrone
La catégorie 1 concerne les applis métiers dont le RPO est égal à 0
Catégorie 2
RTO > 4H < 24H
RPO > 4H < 24H
Catégorie 3
RTO > 24H
RPO > 24H
Concerne les environnements de dév. par exemple.
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IBM Power Systems
 Version « STANDARD EDITION »
 Version « ENTREPRISE EDITION »
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IBM Power Systems
PowerHA SystemMirror pour AIX V6.1 Highlights

PowerHA SystemMirror pour AIX Standard Edition
– Solution de haute disponibilité au niveau du Data center

PowerHA SystemMirror pour AIX Enterprise Edition
– Inclut l’édition “Standard” plus “XD” pour la gestion
multisite

L’Enterprise Edition intègre la prise en charge des solutions de
stockage multisite
– IBM DS8000® & SVC, Metro Mirror & Global Mirror
– Support for EMC SRDF

Assistant (Wizard) de configuration GLVM
– Mise en oeuvre simplifiée d’une configuration multisite de
deux nodes

PowerHA SystemMirror supporte le dynamic logical partioning
– Dynamic logical partitioning for fail over operations
– Optimisation de l’ utilisation des ressources sur noeud
secondaire

Support IPV6

Autres nouveautés : Menus SMIT retravaillés
Améliorations des File Collections
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IBM Power Systems
Besoin Client : Haute disponibilité niveau Data Center

–
–
–
–
Solution :
PowerHA SystemMirror Standard Edition
Disponibilité total du service
Suppression de l’indisponibilité lors d’arrêt planifié
Minimise l’indisponibilité en cas de panne
Objectifs (RTO en minutes) & (RPO zéro)
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IBM Power Systems
Architecture (exemple)
Utilisateurs
Ethernet
Réseau
POWER Systems
Baie de disque SCSI
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IBM Power Systems
Scénarii possibles
Partition 1
Partition 2
Partition 1 n’est plus accessible
Partition 2 reprend à son compte disque(s), @IP(s), et application(s)
Le client accède de nouveau à son application
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IBM Power Systems
Scénarii possibles
Partition 1
Partition 2
Partition 1 n’est plus accessible
Partition 2 reprend à son compte disque(s), @IP(s), et application(s)
Le client ré-accède de nouveau à son application
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IBM Power Systems
Scénarii possibles
Partition 1
Partition 3
Partition 2
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 Adaptation à la charge
 Infrastructure Dynamique !
Availabilit
y
IBM Power Systems
PowerHA SystemMirror Standard Edition support du DLPAR
Production
LPARs
App 3
 Reduction des coûts
– Réduction des coûts du
hardware
– Adaptation des partitions
selon les besoins
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App 2
App 1
Test / Dev / HA / DR
LPARs
Test 3
Test 1
App 3
failover
App
HA 13
Test 2
Test 2
App 2
failover
App
HA 22
Test 1
Test 1
App 1
failover
HA 31
App
IBM Power Systems
Besoin Client : Solution de haute disponibilité
+ reprise après sinistre

Solution :
PowerHA SystemMirror Enterprise Edition
HA clustering pour data center & multi site operations
Solution globale pour le data center & support multi
site
Remote Site
Data Center
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IBM Power Systems
PowerHA SystemMirror et SAN Volume Controller
SAN
SAN
SAN Volume
Controller
DS
4000
DS8000
SAN Volume
Controller
Global Mirror
or
Metro Mirror
DS
4000
DS8000
EMC
EMC
Migration
FlashCopy
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IBM Power Systems
SVC Global Mirror Function
 Fonction de mirroring asynchrone “longue distance”
 Supporte une distance intersite jusqu’à 8000 km
 Pas d’attente liée à l’écriture sur la copie distante
– Reduction de l’impact sur les performances de
l’application
 Designed to maintain consistent secondary copy at all
times
– Once initial copy has completed
 Basé sur la solution Metro Mirror
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IBM Power Systems
PowerHA SystemMirror Enterprise Edition et EMC SRDF
R2
R1
SRDF links
R2





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R1
SRDF/Asynchronous and Synchronous Mode
SRDF/Consistency Groups supported
Supports bi-directional SRDF operations
Automatically write enable the R2 volumes on failover
Support EMC® Symmetrix® V-Max® (27/01/2010)
-AIX 5.3 PowerHA V6.1 SP1 , AIX 5.3 TL9 , RSCT V2.4.12.0
-AIX 6.1 PowerHA V6.1 SP1 , AIX 6.1 TL2 SP1 , RSCT V2.5.4.0
IBM Power Systems
PowerHA SystemMirror Host Based Replication
GLVM
geographic logical volume manager
TCP/IP Network
 Mirroring asynchrone par réseau IP
 Pas d’attente d’écriture de la copie secondaire
 Basé sur le LVM AIX et la technologie RPV
AIX LVM
RPV Client
Device Driver
Production Site
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RPV server
Kernel extension
DR Site
IBM Power Systems
PowerHA Enterprise Edition 2 Site Install Wizard
 Définition et installation d’un cluster sur 2 sites
 Recherche et configuration automatique
 Demande AIX 6.1 et GLVM async option
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IBM Power Systems
2 Site Configuration Wizard – SMIT dialog
GLVM
GLVMCluster
ClusterConfiguration
ConfigurationAssistant
Assistant
Informations requises
au minimum
Type
Typeor
orselect
selectvalues
valuesininentry
entryfields.
fields.
Press
Enter
AFTER
making
all
Press Enter AFTER making alldesired
desiredchanges.
changes.
[Entry
[EntryFields]
Fields]
**Communication
CommunicationPath
PathtotoTakeover
TakeoverNode
Node
**Application
ApplicationServer
ServerName
Name
**Application
Server
Start
Application Server StartScript
Script
[][]
**Application
ApplicationServer
ServerStop
StopScript
Script
Information en sus ,
pour adapter
à votre configuration
si souhaité
[][]
[][]
[][]
HACMP
HACMPcan
cankeep
keepan
anIP
IPaddress
addresshighly
highlyavailable:
available:
Consider
specifying
Service
IP
labels
and
Consider specifying Service IP labels and
Persistent
PersistentIP
IPlabels
labelsfor
foryour
yournodes.
nodes.
Service
ServiceIP
IPLabel
Label
Pesistent
IP
Pesistent IPfor
forLocal
LocalNode
Node
Pesistent
PesistentIP
IPfor
forTakeover
TakeoverNode
Node
[][]
[][]
[][]
PowerHA découvre automatiquement et configure !
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IBM Power Systems
IPv6 ?

Next generation Internet Protocol (IPng)

Les adresses IPv6 sont codées sur 128 bits (32 bits en IPv4)
- Plus d’adresses disponibles
- Elimination des problèmes liés au manque d’adresse IPV4 (NAT,

Intégration d’une notion de Quality Of Service (QOS)

Amélioration de la sécurité (IP spoofing, ip sniffing …..)

Optimisation des champs liés aux fonctions de routage
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PAT …)
IBM Power Systems
Rappels – IPv6
Les adresses IPv6 sont codées sur 128 bits
Example:
fe80:0:0:0:a00:5aff:fef8:b966
Modifications apportées au niveau PowerHA :
16 octets versus 4 octets en IPv4
Notation Hexadecimal à la place de l’octal
separateur de champs “:” à la place du “.”
Modifications des scripts et menus smit utilisant le : comme séparateur
Compressions des adresses :
fe80:0:0:0:a00:5aff:fef8:b966 peut être représentée
fe80::a00:5aff:fef8:b966
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IBM Power Systems
Configuration d’adresses IPv6 (Service and Persistent)


Les adresses Service and Persistent sont définies au travers de menu smit identiques
Nouveau champs “prefix length” requis en IPv6
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Add
AddaaService
ServiceIP
IPLabel/Address
Label/Address (standard)
(standard)
Type
Typeor
orselect
selectvalues
values in
inentry
entryfields.
fields.
Press
Press Enter
EnterAFTER
AFTERmaking
making all
alldesired
desiredchanges.
changes.
[Entry
[EntryFields]
Fields]
** IP
[][]
IP Label/Address
Label/Address
++
Netmask(IPv4)/Prefix
[][]
Netmask(IPv4)/PrefixLength(IPv6)
Length(IPv6)
** Network
[][]
Network Name
Name
++
Add
Addaa Persistent
PersistentNode
Node IP
IPLabel/Address
Label/Address
Type
Type or
orselect
selectvalues
values in
inentry
entryfields.
fields.
Press
Press Enter
EnterAFTER
AFTERmaking
makingall
alldesired
desiredchanges.
changes.
[Entry
[EntryFields]
Fields]
**Node
Node Name
Name
ppstest1
ppstest1
**Network
[][]
Network Name
Name
++
**Node
[][]
Node IP
IPLabel/Address
Label/Address
++
IBM Power Systems
Améliorations des menus de configuration
 Avant
Configure
ConfigureNodes
Nodesto
toan
anHACMP
HACMPCluster
Cluster(standard)
(standard)
Type
Typeor
orselect
selectvalues
valuesininentry
entryfields.
fields.
Press
PressEnter
EnterAFTER
AFTERmaking
makingall
alldesired
desiredchanges.
changes.
**Cluster
ClusterName
Name
New
NewNodes
Nodes(via
(viaselected
selectedcommunication
communicationpaths)
paths)
Currently
CurrentlyConfigured
ConfiguredNode(s)
Node(s)
[][]
[][]
[Entry
[EntryFields]
Fields]
[][]
++
L’utilisateur doit rentrer un nom de cluster et le node local
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IBM Power Systems
Pré Remplissage des champs
 Maintenant
Configure
ConfigureNodes
Nodesto
toan
anHACMP
HACMPCluster
Cluster(standard)
(standard)
Type
Typeor
orselect
selectvalues
valuesininentry
entryfields.
fields.
Press
PressEnter
EnterAFTER
AFTERmaking
makingall
alldesired
desiredchanges.
changes.
**Cluster
ClusterName
Name
New
NewNodes
Nodes(via
(viaselected
selectedcommunication
communicationpaths)
paths)
Currently
CurrentlyConfigured
ConfiguredNode(s)
Node(s)
[][]
ppstest7
ppstest7
[Entry
[EntryFields]
Fields]
[ppstest7_cluster]
[ppstest7_cluster]
++
Nom du cluster dérivé du nom hôte
Noeud local ajouté par défaut
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IBM Power Systems
Accessibilité
Configuration
Gestion
Aide en ligne
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IBM Power Systems
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Accessibilité
IBM Power Systems
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Accessibilité
IBM Power Systems
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Accessibilité
IBM Power Systems
PowerHA SystemMirror Standard et Enterprise Editions
PowerHA SystemMirror for AIX Standard Edition

Cluster management for the data center
– Monitors, detects and reacts to events
– Establishes a heartbeat between the systems
– Enables automatic switch-over

IBM shared storage clustering
– Can enable near-continuous application service
– Minimize impact of planned & unplanned outages
– Ease of use for HA operations
PowerHA SystemMirror for AIX Enterprise Edition

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Cluster management for the Enterprise
– Multi site cluster management
– Includes the Standard Edition function
– Optimized for IBM storage
– Supports EMC SRDF
– GLVM two site configuration wizard
IBM Power Systems
PowerHA SystemMirror for AIX Editions 10/20/2009
Standard EnterpriseEditi
New Editions to optimize
software value capture
Standard Edition targeted
at datacenter HA
Enterprise Edition targeted
at multi-site HA/DR
Tiered pricing structure
Small/Med/Large
36
Edition
on
Centralized Management CSPOC


Cluster resource management


Shared Storage management


Cluster verification framework


Integrated disk heartbeat


SMIT management interfaces


AIX event/error management


Integrated heartbeat


PowerHA DLPAR HA management


Smart Assists


Multi Site HA Management

PowerHA GLVM async mode

GLVM deployment wizard

IBM Metro Mirror support

IBM Global Mirror support

EMC SRDF sync/async

IBM Power Systems
PowerHA SystemMirror for AIX
PowerHA SystemMirror Standard Edition
GLVM Cluster
Geographic Mirroring
Switched Disk Cluster
 Data Center HA
 Geographic Logical
Volume Manager
 Async mirroring over IP
 Storage agnostic
 Storage agnostic
 LVM mirrored copy of
data
Metro Mirror/Global Mirror Cluster
EMC Symmetrix
 SRDF/S
 SRDF/A
 TimeFinder
Time Finder
SRDF
FlashCopy
Metro Mirror
Storage Volume
Controller (SVC)
 Global Mirror
SVC & DS8000
 Metro Mirror
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IBM Power Systems
Les atouts de POWERHA
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IBM Power Systems
POWERHA - Reconnaissance mondiale
Plus de 80,000 licenses  plus de 60000 clusters
Europe
Afrique
Asie
Pacifique
Amériques
39
Plus de 15000 clients
Availabilit
y
IBM Power Systems
PowerHA SystemMirror Standard Edition support du DLPAR
Production
LPARs
App 3
 Réduction des coûts
– Réduction des coût du
hardware
– Adaptation des partitions
selon les besoins
40
App 2
App 1
Test / Dev / HA / DR
LPARs
Test 3
Test 1
App 3
failover
App
HA 13
Test 2
Test 2
App 2
failover
App
HA 22
Test 1
Test 1
App 1
failover
HA 31
App
IBM Power Systems
2009 – 2008 -
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Support matériel
IBM Power Systems
SUPPORT NPIV
 N_Port ID Virtualization or NPIV allows multiple Fibre Channel
initiators to occupy a single physical port.
 NPIV virtual adapter definitions & PowerHA work just like an
environment using dedicated adapters
 The NPIV functionality presents an attractive offering for customers
trying to circumvent under utilized resources. In one way standby
configurations the fallover server would not need a dedicated HBA
 NPIV allows you to run an environment with dedicated HBAs on the
prod side and virtual on the target machine, or both virtual emulating
a direct attached environment
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IBM Power Systems
NPIV: PowerHA SystemMirror exemple de configuration
System 1
VIOS 1
hdisk
HBA
hdisk
vhost0
vhost0
Hypervisor
HBA
LUNS
VSCSI
Node 1
NPIV
HBA
NPIV
HBA
VIOS 2
hdisk0
vscsi0
MPIO
vscsi1
hdisk1
hdisk2
fcs0
fcs1
MPIO
hdisk3
hdisk4
} rootvg
}
}
vscsi_vg
npiv_vg
LUNS
NPIV
STORAGE
SUBSYSTEM
System 2
VIOS 1
HBA
43
hdisk0
vscsi0
hdisk
hdisk
vhost0
vhost0
NPIV
HBA
Hypervisor
HBA
VIOS 2
Node 2
NPIV
HBA
MPIO
vscsi1
hdisk1
hdisk2
fcs0
MPIO
fcs1
hdisk3
hdisk4
} rootvg
}
}
vscsi_vg
npiv_vg
IBM Power Systems
WebSMIT
 Informations sur l’état de vos clusters
– Etat d’un cluster
– Etat d’un node d’un cluster
 Configuration de vos cluster
- Ajout, suppression, édition, création,
de la configuration PowerHA
 WebSMIT
– Pas d’impact mémoire WebSMIT sur les
noeuds gérés
– Pas d’impact de performance sur les clusters
gérés
– Authentification unique [ Single sign-on ]
pour les clusters gérés par WebSMIT
 Gestion de la sécurité
– WebSMIT implémenté en dehors des
clusters gérés
– Même processus de communication que
celui utilisé par PowerHA (clcomd) avec la
même technologie d’encryption
– Contrôle d’accès pour tous les utilisateurs
WebSMIT
– Possibilité d’accès en mode lecture seule
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IBM Power Systems
PowerHA SystemMirror
corsen
HA_ILES
hglenan
V5.5
45
hbelleile_cluster
hchausey
hbelleile
hbrehat
V6.1
IBM Power Systems
PowerHA SystemMirror  Démonstration
Cluster  v6.1
Cluster  v5.5
v5.4 et v5.3 : Ok (avec SP)
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IBM Power Systems
47
POWERHA v6.1
IBM Power Systems
Conclusion
Produit complet
Disponible depuis de nombreuses années
En production chez de nombreux clients
S’adapte aux besoins clients
Peut (doit) être utilisé et mis en œuvre simplement
configuration simple - vision HA !!!!
La mise en œuvre et l’utilisation de toutes les fonctionnalités n’est pas
obligatoire !
Suit l’évolution technologique depuis ses débuts (1991)
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IBM Power Systems
Additional Resources
 PowerHA Website
– www.ibm.com/systems/power/software/availability/
 Availability Factory
– Contact your IBM representative or an IBM Business Partner and they will contact us via e-mail ([email protected])
to learn more.
 IBM Technology Service Offering for PowerHA SystemMirror XD deployment
– http://www-935.ibm.com/services/us/index.wss/offering/its/a1000032
 PowerHA on AIX redbook (SG24-7739-00)
 Education: Lab Services AN44 Extended Distance and Disaster Recovery
– http://www- 304.ibm.com/jct03001c/services/learning/ites.wss/us/en?pageType=course_list&subChapter
=194&subChapterInd=S&region=us&subChapterName=AIX+high+availability&country=us  GLVM white paper
– www.ibm.com/systems/resources/systems_p_os_aix_whitepapers_pdf_aix_glvm.pdf
 IBM storage virtualization offerings
– www.ibm.com/systems/storage/virtualization
 SAP consulting services for POWERHA and POWERVM
– [email protected]
– [email protected]
 Wiki
– http://www.ibm.com/developerworks/wikis/display/WikiPtype/High%20Availability
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IBM Power Systems
Adresses utiles
 http://www-03.ibm.com/systems/p/ha/ (IBM)
 http://www-03.ibm.com/systems/fr/p/solutions/disponibilite/index.html (FR)
Formation
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IBM Power Systems
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© 2010 IBM Corporation51
IBM Power Systems
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