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i Series. my Series. i Series. my Series. Common Europe Luxembourg Introducing IBM eServer i5 & i5/OS LPAR i5 “Up-to-Date” : Logical Partitions on the IBM Power5 by Eddy PASTEGER 1 2.
i Series. my Series. i Series. my Series. Logical P artitions on the IBM P ower5 Introduction 3 i Series. my Series. Introduction Objectives Understand the LPAR f unctionality as implemented on th.
i Series. my Series. Logical P artitioning on the IBM P ower5 Agenda Chapter 1. Architecture Chapter 2. Resources Management Concepts Chapter 3. LPAR -Capable i5 Models Chapter 4. Planning Chapter 5. Hardware Management Console Chapter 6.
i Series. my Series. Architecture HMC Service Processor Processor Complex Main Storage I/O Subsystem NVRAM Permanent T emporary The Service Processor Standard built-in, independent component of ev ery eServer i5 or p5 Own processor , memory and boot code NVRAM stores the “firmware” and the LPAR configur ation 7 i Series.
i Series. my Series. Architecture HMC Service Processor Processor Complex Main Storage I/O Subsystem Power Hypervisor P1 P2 P3 P4 The Service Processor (aka SP) Once you power on the system .
i Series. my Series. Architecture The Power Hypervisor Functions Virtual processor support Allocation of physical processor time to partition thru “virtual processors” Virtual memory m.
i Series. my Series. Architecture TIMI HMC Hardware Power Hypervisor P1 P2 P3 P4 SLIC i5/OS Open Firmware RTAS Linux Open Firmware RTAS AIX Starting a LINUX or AIX partition Hypervisor will operates .
i Series. my Series. i Series. my Series. Logical P artitions on the IBM P ower5 Resources Management Concepts 15 i Series. my Series. R esources Management Concepts What is “logical partitioning”.
i Series. my Series. i Series. my Series. Logical P artitions on the IBM P ower5 Resources Management Concepts Processor 17 i Series. my Series. R esources Management Concepts Processor Concepts Dedicated vs. Shared Processors Virtual Processors Capped vs.
i Series. my Series. Processor Concepts Physical Processors Shared Dedicated P1 P2 P3 Inactive Processor Concepts 19 i Series. my Series. Processor Concepts Dedicated Processors A “dedicated pro.
i Series. my Series. Processor Concepts Shared Processors A “shared processor” allows to assign partial processors to a partition Physical processors lives in a “shared processor pool” By default, any unassigned processor is a member of the shared processor pool 21 i Series.
i Series. my Series. Processor Concepts 20 milliseconds of processor time 10 milliseconds P1 P2 P3 Shared Processors 23 i Series. my Series. Processor Concepts Shared Processors Rules & requirements : A processing unit (PU) represents the cycles of a single processor At least 0.
i Series. my Series. Processor Concepts Potential Shared Processors Penalty Increase the possibility that job’ s won’ t complete, and : Have to be re-dispatched, and potentially have to re.
i Series. my Series. Processor Concepts 20 milliseconds of processor time 10 milliseconds P1 P2 P3 Virtual Processors 27 i Series. my Series. Processor Concepts 20 milliseconds of processor time 10 mi.
i Series. my Series. Processor Concepts Virtual Processors Rules & requirements : It is possible to allocate more virtual processors than there are in the shared processor pool The act.
i Series. my Series. Processor Concepts Dedicated, Shared, Capped or Uncapped ? How to decide on using : Dedicated or shared processors ? If using shared processors, it is to be capped or uncapped ? And ... how many virtual processors do I allocate ? The best performance may be achieved by using dedicated processors .
i Series. my Series. Processor Concepts About Simultaneous Multi-Threading (SMT) SMT is a technology that allows a single CPU to be seen logically as 2 logical CPU Physical processor Logic.
i Series. my Series. Main Storage Concepts Memory Allocation Facts Power4 Hypervisor allowed memory manipulation at the single megabyte (1MB) lev el Memory in the Power5 machines cannot be man.
i Series. my Series. Main Storage Concepts Memory Allocation Facts A “Hardware P age T able (HPT)” is needed to manage memory Power4 Hypervisor reserved HPT within partition memory Pow.
i Series. my Series. Main Storage Concepts Memory Allocation Facts Power4 Hypervisor allocated memory equally from all nodes This leads to more “remote” memory access Power5 h ypervisor tries to do better .
i Series. my Series. I/O Concepts I/O Facts I/O allocations are done at slot level A single slot can be allocated I/O structure must be understood for proper configuration ! 41 i Series.
i Series. my Series. I/O Concepts IOP PCI-X Bus I/O Bridge HSL Loop IOA IOA IOA 2 GB/s 133 MHz Hierarchy of Microprocessors 43 i Series. my Series. I/O Concepts I/O Facts I/O allocations are done .
i Series. my Series. I/O Concepts CPU IOP IOA CPU IOA IOP-Less IOAs 45 i Series. my Series. I/O Concepts I/O Facts Once allocated, some I/O resources needs to be identified Load-Source Unit re.
i Series. my Series. i Series. my Series. Logical P artitions on the IBM P ower5 Resources Management Concepts Virtual I/O 47 i Series. my Series. Virtual I/O Concepts Virtual I/O Facts Each parti.
i Series. my Series. Virtual I/O Concepts Power Hypervisor Partition Virtual Bus Virtual Slot Virtual IOP Virtual Slot Virtual IOA Virtual Slot Virtual IOA Virtual Slot Virtual IOA Virtual Serial Virtual Ethernet Virtual SCSI 49 i Series.
i Series. my Series. Virtual I/O Concepts Virtual Serial Virtual serial adapter provides point-to-point connection between The partition and the HMC The partition and another partition .
i Series. my Series. Virtual I/O Concepts Virtual Ethernet Power Hypervisor Virtual LAN #X Virtual LAN #Y P1 P2 P3 53 i Series. my Series. Virtual I/O Concepts Virtual SCSI Virtual SCSI adapter pr.
i Series. my Series. Virtual I/O Concepts Virtual SCSI P1 S P2 C Power Hypervisor SCSI Server SCSI Client 55 i Series. my Series. Virtual I/O Concepts Virtual OptiConnect What is OptiConnect ? .
i Series. my Series. i Series. my Series. Logical P artitions on the IBM P ower5 Dynamic LPAR ! 57 i Series. my Series. Dynamic LP AR What is called “Dynamic Logical Partitioning” The ability .
i Series. my Series. Dynamic LP AR What can be changed dynamically ! Processors Within established minimum and maximum Configuration maintained in the partition profile Changes to mini.
i Series. my Series. Dynamic LP AR What can be changed dynamically ! I/O Slots Only “desired” slots can be moved ! Remember i5/OS still needs IOPs An IOP without IOA is functional .
i Series. my Series. Dynamic LP AR What can be changed dynamically ! Virtual I/O Slots Can only be filled or emptied Cannot be moved from one partition to another Only “desired” sl.
i Series. my Series. IBM eServer i5/520 Model i5/520 - 1000 CPW Processor : 1-W ay Power5, 1.50GHz, L1+L2 Cache Processing units available : 0.43 Maximum partitions : 4 Model i5/520 - 2400 CPW Processor : 1-W ay Power5, 1.50GHz, L1+L2 Cache Processing units available : 1.
i Series. my Series. IBM eServer i5/570 Model i5/570 - CoD from 3300 to 44700 CPW Minimal Configuration Processor : 1-W ays Power5, 1.65GHz, L1+L2+L3 Cache Processing units available : 1.0 Maximum partitions : 10 Maximal Configuration Processor : 16-W ays Power5, 1.
i Series. my Series. i Series. my Series. Logical P artitions on the IBM P ower5 Planning 69 i Series. my Series. Planning Think ... Understand eServer i5 capabilities Review previous chapters .
i Series. my Series. Planning Requirements for i5/OS Are mandatory : At least 0.10 processing unit Commonly represents +/- 330 CPW At least 256 MB of main storage Just enough to load and start SLIC & i5/OS ... plan a few bit more to open a session ! One direct-at tach (internal) disk unit (LSU) Minimum size : 8.
i Series. my Series. Planning About Linux and AIX ... CPW Commercial Processing W orkload Representative f or a commercial workload environment W orkload composed by CPU and I/O operat.
i Series. my Series. Planning Requirements for Linux/AIX 5L v5.3 Are mandatory : At least 0.10 processing unit Some memory ... depending on the applications you’ll have to run ! One disk unit ... Physical or ... virtual ! One console Can be a HMC thru virtual serial port One alternate boot device CD or DVD .
i Series. my Series. Planning Requirements for AIX 5L v5.2 REMEMBER : this version of AIX does NO T SUPPORT “virtual things” ! Virtual processors cannot be used .
i Series. my Series. Planning Know restrictions At this time, Linux/AIX partitions does not handle any IOA with an IOP placed in an upstream position on the same bus ! This means that you cann.
i Series. my Series. Planning ... Think ... Make a capacity planning Determine your needs Inventory existing system Determine which component may/will be reused Build a new system .
i Series. my Series. Planning ... Then act ! Backup existing system T wice ! Perf orm physical installation Install every hardware piece at its planned position Install and configu.
i Series. my Series. Hardware Management Console What is it ? Hardware dedicated to console functions Used to create and maintain a multiple-partitioned environment Startup & shutdown .
i Series. my Series. i Series. my Series. Logical P artitions on the IBM P ower5 Hardware Management Console Connecting HMC 87 i Series. my Series. Hardware Management Console Ethernet Ports Priva.
i Series. my Series. Hardware Management Console Simple HMC connection Service & Support ETH0 ETH1 HMC HMC1 LAN1 HMC2 LAN2 89 i Series. my Series. Hardware Management Console Cloning HMC configura.
i Series. my Series. Hardware Management Console Redundant HMC configuration considerations Both HMCs can be used concurrently Both are fully active and accessible at all times Both enabli.
i Series. my Series. Hardware Management Console Private indirect networking Service & Support Private LAN ETH0 ETH1 HMC HMC1 LAN1 HMC2 LAN2 Service & Support ETH0 ETH1 HMC HMC1 LAN1 HMC2 LAN2 ETH0 ETH1 HMC HMC1 LAN1 HMC2 LAN2 93 i Series. my Series.
i Series. my Series. Hardware Management Console Internet HMC HMC C C C S Working with HMC in open networks 95 i Series. my Series. i Series. my Series.
i Series. my Series. Hardware Management Console Server Management Physical systems Logical partitions Partition profiles S y stem p rofiles 97 i Series.
i Series. my Series. Licensed Internal Code Updates Manages managed systems’ firmware Installed (T emporary), activ ated and Accepted (Permanent) 99 i Series.
i Series. my Series. Hardware Management Console HMC Configuration All HMC parameters Date, time, network, ... 101 i Series. my Series. Hardware Management Console Service Agent Configuration .
i Series. my Series. Hardware Management Console Remote Support Connectivity : outbound and inbound Via SMTP or VPN 103 i Series. my Series. Hardware Management Console Service Focal Point Manage reported events and errors Concurrent maintenance Service utilities Access to control panel service functions (e.
i Series. my Series. One more thing ... 105 i Series. my Series. i Series. my Series. Logical P artitions on the IBM P ower5 Virtual Partition Manager 106.
i Series. my Series. Virtual P artition Manager What is it ? VPM introduces a way to create and manage Linux partitions without the use of a HMC VPM allows small and medium configuration to add simple Linux workloads Available on May 27th, 2005 (tomorrow) ! 107 i Series.
i Series. my Series. Virtual P artition Manager Planning for VPM ... Automatic processor balancing between i5/OS and Linux partition is supported Thru uncapped shared processor Dynamic mov.
i Series. my Series. Questions & Answers 111 i Series. my Series. i Series. my Series. Logical P artitions on the IBML P ower5 Bibliography 112.
i Series. my Series. Bibliograph y ibm.com /redbooks Front co ver Logical Partitions on the IBM PowerPC he IBM PowerPC A Guide to Working with LPAR on Power5 i5 Servers Dale Barrick Ivan Berrios Ron C.
i Series. my Series. Bibliograph y ibm.com /redbooks Red paper Front co ver Virtual Partition Manager ger A Guide to Planning lanning and Implementation Amit Dave Erwin Earley Nick Harris Fant Steele .
i Series. my Series. Thank You ! 117 i Series. my Series. REAL Solutions S.A. Rue d’Eich, 33 L -1461 Luxembourg Eddy Pasteger System Engineer Manager iSeries Certified Solutions Expert V oice : (+352) 43 65 22 1 F ax : (+352) 42 26 38 E-mail : eddy .
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