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Title: Pass4sure C4040-252 Real Questions and Answers


1
Power Systems with POWER 8 Enterprise Technical
Sales
2
POWER7 Technical Excellenceand Announcement
Highlights
3
(No Transcript)
4
IBMs Virtualization
https//www.pass4sureexam.com/C4040-252.html
5
IBMs 39-year history of leadership
invirtualization
1967
1973
1987
2004
2001
1997
IBM develops hypervisor that would become VM on
the mainframe
IBM announces first machines to do physical
partitioning
IBM announces LPAR on the mainframe
POWER LPAR design begins
IBM introduces LPAR in POWER4 based systems with
AIX 5L
Advanced POWER Virtualization ships
In our opinion, they System p servers bring
mainframe-quality virtualization capabilities to
the world of AIX.
- Ulrich Klenke, CIO, rku.it January 2006
Timeline reference http//www.levenez.com/unix/his
tory.html01 Customer quote source rku.it case
study published at http//www.ibm.com/software/suc
cess/cssdb.nsf/CS/JSTS-6KXPPG?OpenDocumentSitees
erverpseries
6
Advanced POWER Virtualization on IBM System p
Advanced POWER Virtualization1
  • IBM APV Benefits
  • Can help lower the cost of existing
    infrastructure
  • Can increase business flexibility and reduce the
    complexity to grow your infrastructure
  • Deployed in production by a significant number
    of System p clients5

Integrated Virtualization Manager3
Virtual I/O Server
Virtual I/O Server
3
Manager

Share Ethernet, SCSI and Fibre

Integrated Virtualization

Share Ethernet, SCSI and
  • Manage a single system without an HMC

Channel disks
Partition Load Manager2
Partition Mobility 4Q07
Partition Load Manager
2
  • Move a running partition from one P6 server to
    another with no downtime


Automatically balance processor

Automatically balance processor
and memory requests
Micro-Partitioning
Micro
-
Partitioning

Create up to 10 micro-partitions for each System
p5 processor

Share processors across multiple partitions

Resize without rebooting your system

minimum 1/10
th
processor
Linux on POWER
1) Advanced POWER Virtualization (APV) is an
optionally orderable feature on IBM System p, 2)
Partition Load Manager (PLM) is not supported on
OpenPower / Linux Partitions, 3) Only available
on select models, 4) Business Case for IBM
System p5 Virtualization, Economic Benefits of
IT Simplification. International Technology
Group, 02/10/2006. Study methodology Companies
in financial services, manufacturing and retail
with 15 Billion revenues and total 200,000
employees focusing on UNIX large enterprise
environments with multiple, broad-ranging
applications. Study compared the cost of the
company's workload running on multiple vendor
servers and employing minimal virtualization to
the cost of the company's workload running on the
p5-510, 550, 570, 590 and 595 all using
Advanced POWER Virtualization APV. APV is
standard on System p5 590 and 595. Other System p
servers have the option to add APV except the
System p5 185. This cost analysis was performed
for financial services, manufacturing and retail
example environments with an overall average
savings of up to 62 in TCO savings by
virtualizing and consolidating on the System p
servers. For further information, see the white
paper at http//www-03.ibm.com/systems/p/library
/consult/ itg_p5virtualization.pdf Total Cost of
Ownership may not be reduced in each
consolidation case. TCO depends on the specific
customer environment, the existing environments
and staff, and the consolidation potential. , 5)
IBM sales Statistics, All statements regarding
IBM future directions and intent are subject to
change or withdrawal without notice and represent
goals and objectives only. Any reliance on these
Statements of General Direction is at the relying
party's sole risk and will not create liability
or obligation for IBM. IBM Confidential
7
System p virtualization
  • Proven mainframe-inspired Hypervisor
  • Outstanding RAS
  • Low Overhead
  • Easy-to-use management interface
  • AIX 5L and Linux
  • Deployed in production by a significant number
    of System p clients

IBM Sales Statistics
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8
How does it work?
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9
Advanced POWER Virtualization Option
10
Advanced POWER Virtualization Option
11
Micro-Partitioning technology
Micro-Partitioning technology allows each
processor to be subdivided into as many as 10
virtual servers, helping to consolidate UNIX
and Linux applications.
Dynamic LPARs Whole Processors
Micro-partitions Pool of 6 CPUs
  • Partitioning options
  • Micro-partitions Up to 254
  • Configured via the HMC
  • Number of logical processors
  • Minimum/maximum
  • Entitled capacity
  • In units of 1/100 of a CPU
  • Minimum 1/10 of a CPU
  • Variable weight
  • share (priority) of surplus capacity
  • Capped or uncapped partitions

Linux
i5/OS V5R3
AIX 5L V5.3
AIX 5L V5.3
Linux
AIX 5L V5.2
AIX 5L V5.3
Entitled capacity
Min
Max
Hypervisor
on p5-590 and p5-595 on p5-570, p5-590 and
p5-595
Note Micro-partitions are available via
optional Advanced POWER Virtualization or POWER
Hypervisor and VIOS features.
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12
How to create a Micro-Partitioning LPAR?
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13
Physical Processors and Virtual Processors
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14
IBM System p5 Simultaneous multithreading
FX0
Thread0 active
FX1
No thread active
LSO
System throughput
LS1
Appears as four CPUs per chip to the operating
system (AIX 5L V5.3 and Linux)
FP0
FP1
BRZ
CRL
  • Utilizes unused execution unit cycles
  • Presents symmetric multiprocessing (SMP)
    programming model to software
  • Natural fit with superscalar out-of-order
    execution core
  • Dispatch two threads per processor Its like
    doubling the number of processors.
  • Net result
  • Better performance
  • Better processor utilization

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Simultaneous Multi-Threading (On and Off)
smtctl -off
smtctl -on
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Advanced POWER Virtualization Option
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17
Virtual Ethernet (Partition Communication)
Partitions
AIX 5L V5.3
Linux
AIX 5L V5.3
Linux
AIX 5L V5.3
TCP/IP stack
TCP/IP stack
TCP/IP stack
TCP/IP stack
TCP/IP stack
Hypervisor
Virtual Ethernet
1
2
VLANs
  • Dedicated or Shared Partitions
  • Virtual I/O Server is not necessary

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Creating Virtual IO Server
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Virtual I/O Server - Ethernet Sharing
AIX 5L V5.3
Linux
AIX 5L V5.3
TCP/IP stack
TCP/IP stack
TCP/IP stack
TCP/IP stack
TCP/IP stack
Virtual I/O server 1 partition
Virtual I/O server 2 partition
Hypervisor
Virtual Networking
Virtual Networking
Virtual Ethernet
R
IP network
B
  • Configured like a standard Ethernet
  • Can have multiple connections per partition
  • Virtual MAC addressing
  • Each adapter can support 16 virtual Ethernet LANs

20
Virtual I/O Server Ethernet Sharing
Example
How it work?
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21
Virtual I/O Server Disk Sharing
AIX 5L V5.3
Linux
AIX 5L V5.3
Virtual I/O server 1
Virtual I/O server 2
Hypervisor layer
2A
3A
4A
1A
5A
2A
2B
SCSI Fibre
A
B
SCSI Fibre

3A
3B
4A
4B
3B
4B
1B
5B
2B
Mirror
Mirror
Mirror
Mirror
Mirror
Hypervisor layer
  • One physical drive can appear to be multiple
    logical drives
  • LUNs appear as individual logical drives
  • Minimizes the number of adapters
  • Can have mixed configuration (virtual and real
    adapters)
  • SCSI and Fibre supported
  • Supports AIX 5L V5.3 and Linux partitions

22
Virtual I/O Server Disk Sharing (How it work?)
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Virtual I/O Server Disk Sharing (Examples)
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24
Advanced POWER Virtualization enhancements
Leverage System p Virtualization and Reduce your
server TCO by up to 60
  • Virtual I/O Server (VIOS) 1.3
  • VIOS Monitoring through PTX and Topas
  • Performance Enhancements for Virtual SCSI and
    Virtual Ethernet
  • Integrated Virtualization Manager (IVM)
  • Decrease downtime - Resize and modify partitions
    without server disruption with support for
    dynamic LPAR
  • Save time With new wizards, deploying multiple
    partitions and system plan management is a snap

Topas (part of AIX 5.3)
PTX (AIX LPP)
Business Case for IBM System p5
Virtualization, Economic Benefits of IT
Simplification. International Technology Group,
February 10, 2006
25
Advanced POWER Virtualization Option
26
Partition Load Manager for AIX5L
  • Policy-based, automatic partition resource tuning
  • Dynamically adjust CPU and memory allocation

PLM Server
Before resource tuning
After resource tuning
Unbalanced resource allocation
Adjust resource allocation based on business
priority
3CPU
5CPU
6CPU
1CPU
3CPU
10CPU
Agent
Agent
Agent
Agent
Agent
Agent
Test LPAR
CRM LPAR
Finance LPAR
Test LPAR
CRM LPAR
Finance LPAR
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Jay Kruemcke IBM 2003
27
PLM Configuration by WebSM
WebSM
POWER5 Servers
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Advanced POWER Virtualization Option
29
Hardware Management Console (HMC)
Ethernet support
  • POWER5 provides Ethernet support of the HMC
  • Required for CoD and clustering environments and
    some RAS functions
  • Optional for APV on standalone servers

Requirements
  • Supports POWER5 and POWER5 processor-based
    servers only

Licensed Machine Code
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Integrated Virtualization Manager
... integrated with APV
Available for p5 560Q p5 55X p5 52X p5 51X p5
505 Blade JS21
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System p APV vs. HP/Sun/VMware
Source competitive analysis, company websites
32
Advanced POWER Virtualization Web site
http//www-03.ibm.com/systems/p/apv/index.html
  • Your one-stop
  • shop for System p virtualization info
  • Discussion Forums
  • Certifications
  • Case Studies
  • Whitepapers
  • Education

The logical partition LPAR capability of the
System p5 server was the key factor in our
decision, enabling us to run multiple independent
systems on the same physical machine. In our
opinion, IBM leads the market in this area. 1 -
Wolfgang Franz, IT Manager, Bionorica AG.
December 2005
1) Bionorica case study published at
http//www-306.ibm.com/software/success/cssdb.nsf/
CS/DNSD-6KBFWW?OpenDocumentSiteeserverpseries
33
Extra Tools
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34
Easily size for your virtualized environment
FREE!
IBM System Planning Tool
Download From http//www.ibm.com/servers/eserver/
support/tools/systemplanningtool/
  • Design and size System p partitions
  • Export system configuration for new server
    orders
  • Automatically deploy your system plan through
    the Hardware Management Console (V5.2)

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Easily track usage and accounting costs in a
System p virtualized environment
IBM Tivoli Usage and Accounting Manager one
central repository with automation and auditing
New!
  • Reduces errors and provides value audit trails
  • Measures, analyses and reports the utilization
    and costs of different computing resources
  • Servers
  • Storage
  • Networks
  • Databases
  • Virtualized environments
  • Messaging
  • And, other shared services

Unique accounting features in AIX 5L V5.3 allow
System p clients to benefit from detailed
reporting not available to other UNIX platforms.
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36
System p Application Virtual Environment for x86
Linux
Allows software written for x86 Linux to just run
on IBM System p servers running Linux
  • What is System p Application Virtual Environment
    for x86 Linux (System p AVE - x86)
  • Supports installation and running of existing
    32-bit x86 Linux applications1,2
  • Creates an x86 Linux application environment
    running on Linux on System p
  • Extends value of IBM System p and BladeCenter
    JS21 to x86 Linux apps
  • How does it work?
  • Dynamically translates and maps x86 Linux
    instructions to POWER
  • Mapping and caching techniques are used to
    enhance application performance within the System
    p AVE-x86 environment

x86 Linux Applications
Operating system call mapping
Dynamic binary translation
Linux on POWER
  • (1) No direct hardware access and no kernel
    access
  • (2) IA-32 instruction set architecture (x86)
  • As defined by the 1997 Intel Architecture
    Software Developer's Manual consisting of Basic
    Architecture (Order Number 243190), Instruction
    Set Reference Manual (Order Number 243191) and
    the System Programming Guide (Order Number
    243192) all dated 1997.

37
Virtualization Benefits
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Help improve application performance
and increase business responsiveness
  • These companies
  • reported increased application performance
  • with IBM technologies including System p
    virtualization
  • KCA DEUTAG Reduced SAP reporting from 2.5 hours
    to 20 minutes1
  • Alstrom Doubled SAP transactions per second2
  • Sinopec Completed ERP reporting in 30-35 less
    time3
  • rku.it Increased SAP response time by 334

The centralized, virtualized CRM environment
powered by eServer p5 System p servers provides
superior infrastructure support, improved
efficiency in our people and systems and truly
optimized operations.6
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Driven by the increasing numbers of physical
systems, systems managementhas become the
dominant component of IT costs and is growing
rapidly
Many Servers, Much Capacity, Low Utilization
140B unutilized server assets
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POWER6 Virtualization Enhancements
41
Partition Mobility Active and Inactive LPARs
  • Active Partition Mobility
  • Active Partition Migration is the actual movement
    of a running LPAR from one physical machine to
    another without disrupting the operation of the
    OS and applications running in that LPAR.
  • Applicability
  • Workload consolidation (e.g. many to one)
  • Workload balancing (e.g. move to larger system)
  • Planned CEC outages for maintenance/upgrades
  • Impending CEC outages (e.g. hardware warning
    received)
  • Inactive Partition Mobility
  • Inactive Partition Migration transfers a
    partition that is logically powered off (not
    running) from one system to another.

Partition Mobility supported on POWER6 AIX 5.3,
AIX 6.1 and Linux
42
IBM System p Partition Mobility
  • Move active Micro-Partitions between systems
  • Reduce the impact of planned outages
  • Relocate workloads to enable growth
  • Provision new technology with no disruption to
    service

Virtualized SAN and Network Infrastructure
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What Are Workload Partitions?
Separate regions of application space within a
single AIX image
  • Partitioned system capacity
  • Each Workload Partition obtains a regulated share
    of the processor and memory resources
  • Each Workload Partition has separate network and
    filesystems and many system services (e.g.
    telnetd, etc.)
  • Separate Administrative control
  • Each partition is a separate

    administrative and security domain
  • Shared system resources
  • I/O Devices
  • Processor
  • Operating system
  • Shared Library and Text

Workload Partition A
Workload Partition B
Workload Partition C
Workload Partition D
Workload Partition E
AIX 6.1 Image
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What is AIX Application Mobility?
The ability to move a Workload Partition from one
server to another
AIX 2
AIX 1
Workload Partition ERP
Workload Partition Database
Workload Partition QA
Workload Partition Data Mining
Application Partition Dev
Workload Partition Billing
Workload Partition Web
Policy
Workload Partition Manager
Provides outage avoidance and multi-system
workload balancing
Policy based automation can provide more
efficient resource usage
45
AIX 6 Workload Partitions can be used in Logical
Partitions
Micro-partition Processor Pool
Dedicated Processor LPAR Finance
Dedicated Processor LPAR Planning
LPAR Asia
LPAR
LPAR EMEA
LPAR Americas
WPAR1
WPAR1
WPAR1
VIO Server
WPAR2
WPAR2
WPAR3
Power Hypervisor
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46
What About SUN Containers?
Capability System p AIX SUN Solaris
Highest isolation with Logical Partitions -
LPAR available across entire product line -
Live relocation of a LPAR to another system -
Live relocation of a WPAR / container -
System WPAR / container
Application WPAR / container -
Single system management of WPAR / container
Multi-system management of WPAR / container -
Policy based relocation of WPAR / container -
System commands are WPAR / container ready -
WPAR Resource isolation memory and processor
WPAR Resource isolation thread, process, paging -
WPAR Processor regulation based on Fair Share
WPAR Processor regulation based on Percentage -
Planned
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When to use Workload Partitions
Requirement MicroPartitions Workload Partitions
Hardware enforced Isolation
Minimal number of AIX images
Server Consolidation
Greatest Flexibility
Cross system workload management
Move workload between systems
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Consolidations Virtual Servers or Application
Regions?
Goal Consolidation Partition Mobility (Part of APV) Each Application Has Its Own AIX LPAR, Multiple LPARs Per Server Each Application Is In Its Own AIX WPAR, Multiple WPARs Per AIX
Fault Isolation Full isolation OS faults will only impact the specific LPAR Limited isolation OS faults will bring down all regions, but happen infrequently
Security Isolation Complete isolation between OSes shared nothing Only user space level isolation kernel level is still exposed
OS levels Different OS levels in LPARs possible Has to be the same across all WPARs
OS Service/Fix Level OS service fixes can be applied to individual LPAR OS images OS service fixes affect all WPARs, negatively impacting multi application - OS dependency
ISV Software Cost ISVs will count only the number of processorsin LPAR Many ISVs price based on number of CPUs, they will count all processors in OS image
Efficiency Good, but little sharing of OS resources leads to lower efficiency than with region approach Very good, due to extensive sharing of OS resources such as code or text
System Admin costs System admin costs dont go up linearly per OS image as cluster sys mgmt tools lower costs for managing multiple OS images TCO analysis based on number of OS images would favor regions, although in reality system administration costs will shift to per region level
Resource Granularity Fine grained Very fine grained
Mobility Active LPAR movement in 2007 Requires POWER6 Active WPAR movement in 2007 Requires AIX 5.4 (Can run on P4 and up)
Each approach comes with pros and cons, so the
choice depends on customer needs and preferences.
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Integrated Virtual Ethernet - How it Works
Option 1
Option 2
LPAR 2
LPAR VIOS
LPAR 3
LPAR 1
LPAR 2
LPAR VIOS
LPAR 3
LPAR 1
Or
VNET Packet Router
VNET Packet Router
Virtual Ethernet Driver
Virtual Ethernet Driver
Virtual Ethernet Driver
Ethernet Driver
Ethernet Driver
Ethernet Driver
Power Hypervisor
Power Hyper- visor
Virtual Ethernet Switch
IVE Adapter Port
IVE Adapter Port
Native Performance Software Transparency AIX and
Linux
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Questions?
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52
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