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IBM I5, I5/OS Starting a LINUX or AIX partition, Hypervisor Code Maintenance

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iSeries. mySeries.

Architecture

TIMI

HMC

Hardware

PowerHypervisor

P1 P2 P3 P4

SLIC

i5/OS

Open

Firmware

RTAS

Linux

Open

Firmware

RTAS

AIX

Starting a LINUX or AIX partition

Hypervisor will operates ...

Open Firmware contains boot-time drivers and the boot manager

RTASis a service that passes platform-dependent system calls to the Hypervisor

Other is characteristic to the guest operating system

E.g. Linux has a “monolithic” kernel, while AIX has a “microkernel-hybrid” structure

iSeries. mySeries.

Architecture

HMC

Service

Processor

NVRAM

Permanent Temporary

PowerHypervisor

ServicePartition

TIMI

SLIC

i5/OS

A B

Firmware

MHxxxxx

Hypervisor Code Maintenance

Contents

Main iSeries. mySeries. Logical Partitions on the IBM Power5 Introduction Logical Partitioning on the IBM Power5 Agenda iSeries. mySeries. Architecture The Service Processor The Service Processor (aka SP) The Power Hypervisor The Power Hypervisor Functions Starting an i5/OS partition Starting a LINUX or AIX partition Hypervisor will operates ... MHxxxxx Firmware PowerHypervisor Resources Management Concepts What is logical partitioning ? Resources Management Concepts Processor Concepts Dedicated Processors Page Page Potential Shared Processors Penalty Page Uncapped Processors Dedicated, Shared, Capped or Uncapped ? Simple Recommendations About Simultaneous Multi-Threading (SMT) Main Storage Page Recommendation Main Storage size MUST be carefully planned ! Remember !"#$ !"#$ I/O Subsystem I/O allocations are done at slot level A single slot can be allocated I/O structure must be understood for proper configuration ! Hierarchy of Microprocessors IOP-Less IOAs Virtual I/O Virtual I/O Facts What is dynamic What is not dynamic Changing the number of slots requires a partition deactivation and reactivation Virtual Serial Virtual Ethernet Virtual SCSI Virtual OptiConnect Page Page Page LPAR-Capable Server Models IBM eServer i5/520 Model i5/520 - 1000 CPW Model i5/520 - 2400 CPW Model i5/520 - 3300 CPW Model i5/520 - 6000 CPW IBM eServer i5/570 Model i5/570 - CoD from 3300 to 44700 CPW IBM eServer i5/595 Model i5/595 - CoD from 24500 to 165000 CPW Planning Think ... Requirements for i5/OS About Linux and AIX ... Requirements for Linux/AIX 5L v5.3 Requirements for AIX 5L v5.2 Know restrictions upstream position on the same bus ! ... Think ... ... Then act ! Hardware Management Console What is it ? Is it mandatory ? Appliance based on xSeries technology Connects to i5 and p5 servers Packaging Hardware Management Console Connecting HMC Ethernet Ports Medium Dependent Interface Crossover Private LAN Open LAN Auto-MDIX ports Simple HMC connection Cloning HMC configuration SP copies NVRAM configuration to the new HMC Redundant HMC configuration considerations But ... Private indirect networking PrivateLAN OpenLAN Private and open networking Page Server Management HMC Code Update Licensed Internal Code Updates HMC Users HMC Configuration Service Agent Configuration Remote Support Service Focal Point Page What is it ? Available on May 27th, 2005 (tomorrow) ! Planning for VPM ... Virtual Partition Manager vs. Hardware Management Console Page ibm.com/redbooks Frontcover ibm.com/redbooks Logical Partitions on the IBM PowerPChe IBM PowerPC A Guide to Working with LPAR on Power5 i5 Servers Frontcover AIX 5L on IBM eServer eServer i5: Implementation ation Guide ibm.com/redbooks Redpaper Virtual Partition Managerger A Guide to Planning lanning and Implementation IBM Eserver i5, iSeries, and AS/400e System Builder IBMi5/OS Version 5 Release 3 October2004 Thank You ! Contact Information