IBM I5 User's Manual
Contents
1. Server Management Physical systems Logical partitions gt Partition profiles System profiles iSeries mySeries 97 Hardware Management Console Web based System Manager home paed WebSM pref Management Environment wopr real net Licensed Internal Code Maintenance Console HMC Code Update oelec o View Window Help a 3 1 9 9 Navigation Area Licensed Internal Code Maintenance HMC Code Update 5 9 Management Environment oe wopr real net Hg Server and Partition F F Frame Management i Server Management A Information Center and Setup Wizard EHET Licensed Internal Code Maintenance A let Update 48 Licensed Internal Code Updates HE HMC Management 1694 HMC Users LER HMC Configuration HE Service Applications HMC Code Update The HMC Code Update selection of the Licensed Internal Code Mainte application manages software that is installed on your Hardware Management Console HMC Using this application you can back up critical console data on the HMC s DYD RAM drive install corrective service from the DYD RAM or from downloaded files and save upgrade data to either the hard disk or DVD RAM media More Information Back up Critical Console Data TASKS Service Agent Save Upgrade Data a Remote Support Install Corrective Service amp Service Focal Point Format Removable Media Remote Restore of Critical Console Data2. iSeries mySeries Common Europe Luxembourg Introducing IBM eServer i5 amp 5As LPAR 15 Up to Date Logical Partitions on the IBM Power5 by Eddy PASTEGER iSeries mySeries iSeries mySeries Logical Partitions on the IBM Power5 Introduction iSeries mySeries Introduction Objectives Understand the LPAR functionality as implemented on the IBM Power5 servers Understand planning considerations and system requirements Warning This presentation is built on functionalities available on i5 models 5xx running i5 OS V5R3 iSeries mySeries Logical Partitioning on the IBM Power5 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 Virtual Partition Manager iSeries mySeries iSeries mySeries Logical Partitions on the IBM Power5 Architecture iSeries mySeries Architecture Main I O Service Processor Processor Complex Storage Subsystem Permanent Temporary The Service Processor Standard built in independent component of every eServer i5 or p5 gt Own processor memory and boot code gt NVRAM stores the firmware and the LPAR configuration iSeries mySeries Architecture Service Processo
3. Processor Concepts Pp Pp p lp Dedicated Shared Inactive Physical Processors iSeries mySeries 19 Processor Concepts Dedicated Processors A dedicated processor refers to a whole processor that is dedicated to a single partition One or more processors can be dedicated to a partition gt The most simple way to distribute processors among logical partitions Rules amp requirements gt At least one dedicated processor gt Granularity of movements one processor gt Processor moves are dynamic without any IPL within the configured ranges gt Unallocated processors are not used iSeries mySeries 20 Processor Concepts Shared Processors A shared processor allows to assign partial processors to a partition Physical processors lives in a shared processor pool gt By default any unassigned processor is a member of the shared processor pool iSeries mySeries 21 Processor Concepts Shared Processors 10 milliseconds 20 milliseconds of processor time iSeries mySeries 22 Processor Concepts Shared Processors 10 milliseconds 20 milliseconds of processor time iSeries mySeries 23 Processor Concepts Shared Processors Rules amp requirements gt A processing unit PU represents the cycles of a single processor gt
4. iSeries mySeries 107 Virtual Partition Manager Planning for VPM An IPL is requires to apply enablement PTF gt MF34753 MF34956 MF34962 gt Those PTF should be permanently applied before SAVSYS Ensure that you have the last firmware level gt Minimum level is SF230_113 via PTF MH00265 Maximum 4 Linux partitions I O for all linux partition must be managed by a single i5 OS instance gt Only a single i5 OS instance can exist Linux must use virtual I O to access disk tape DVD ethernet gt Direct attach I O cannot be installed in any Linux partition Maximum 4 virtual ethernet connection per Linux partition Linux partition creation and maintenance can only be performed thru DST SST gt iSeries Navigator does not support VPM gt LPAR Toolkit does not support VPM gt Likewise there is no API nor SSH enablement capabilities iSeries mySeries 108 Virtual Partition Manager Planning for VPM Automatic processor balancing between i5 OS and Linux partition is supported gt Thru uncapped shared processor Dynamic movements of resources processor memory and I O is not supported gt Partition must be restarted for the changes to take effects Capacity on Demand CoD is not enabled thru DST SST gt Only permanently activated processors can be allocated Partition configuration cannot be saved gt Hardcopy prints must be kept to re create partitions Migra
5. Planning Requirements for i5 OS Plan also for gt LAN ports gt WAN ports gt Alternate console gt SCSI ports gt FC ports gt VIRTUAL ports Plan also for gt IXS IXA More storage needed Same ASP other ASP or IASP gt Other partitions Linux or AIX thru virtual I O More storage needed Same ASP other ASP or IASP iSeries mySeries 72 Planning About Linux and AIX CPW gt Commercial Processing Workload gt Representative for a commercial workload environment Workload composed by CPU and I O operations rPerf gt Relative Performance gt Derived from multiple standard benchmarks TPC Technical Publication Center SPEC System Performance Evaluation Center Other IBM internal workloads gt Does not simulate I O operations iSeries mySeries 73 Planning About Linux and AIX EB Ee iSeries mySeries 74 Planning Requirements for Linux AIX 5L v5 3 Are mandatory gt At least 0 10 processing unit gt Some memory depending on the applications you ll have to run gt One disk unit Physical or virtual gt One console Can be a HMC thru virtual serial port gt One alternate boot device CD or DVD physical or virtual gt One backup device A tape unit can be switchable dedicated or virtual Operating system gt A Power
6. gt Any Linux partition gt Any AIX 5L v5 3 partition iSeries mySeries 54 Virtual I O Concepts Virtual SCSI SCSI Client Power Hypervisor iSeries mySeries 55 Virtual I O Concepts Virtual OptiConnect What is OptiConnect gt Stands for OPTImized CONNECTion gt Provides very high performance communications between systems Works at HSL bus speed 2 GB s 20 Gbps gt Also known as HSL OptiConnect gt Requires hardware planning Multiple CECs within the same HSL loop gt Requires additional software 5722SS1 Option XX OptiConnect What is virtual OptiConnect gt Virtualization of HSL OptiConnect facility between logical partitions gt Requires additional software 5722SS1 Option XX OptiConnect OptiConnect and Virtual OptiConnect usages gt DDM gt Clusters gt Switchable IASPs iSeries mySeries 56 iSeries mySeries Logical Partitions on the IBM Power5 Dynamic LPAR iSeries mySeries 57 Dynamic LPAR What is called Dynamic Logical Partitioning The ability to add move or remove resources without system disruption iSeries mySeries 58 Dynamic LPAR What can be changed dynamically Processors gt Within established minimum and maximum Configuration maintained in the partition profile Changes to minimum or maximum requires partitio
7. p wopr real net Hg Server and Partition F F Frame Management i Server Management 8 Information Center and Setup Wizard EH Licensed Internal Code Maintenance A HMC Code Update 4 Licensed Internal Code Updates Service Agent Configuration The Service Agent application helps you manage hardware inventor error information Use Service Agent tasks for the following you can view system and HMC data Nu Customer user ID registration with the eService web site so Customer notification when service events occur on the HMC or connected systems om Immediate transmission of service information to IBM EH HMC Management ih HMC Users y More Information LER HMC Configuration eService Registration HE Service Applications 3 TASKS Customer Notification Service Agent F Remote Support amp Service Focal Point Transmit Service Information Service Agent Configuratio Notify problems gt Kind of problems al gt To the user via SMTP gt To the service via PSTN VPN or another HMC iid or home call iSeries mySeries 102 Hardware Management Console Web based System Manager home paed WebSM pref Management Environment wopr real net Service Applications Remote Suppo Console Remote Support Gsiccia View Window Help am 19 9 Navigation Area Service Applications Remote Support 9 Management Envi
8. Private indirect networking ETHO ETH1 HMC1 HMC2 LANI _LAN2 HMC1 HMC2 LAN1 LAN2 Private LAN iSeries mySeries 93 Hardware Management Console Private and open networking ETHO ETH1 HMC1 HMC2 LANI _LAN2 ETHO ETH1 Private LAN lc l Open LAN HMC1 HMC2 LAN1 LAN2 iSeries mySeries 94 Hardware Management Console Working with HMC in open networks 2 SP iSeries mySeries 95 iSeries mySeries Logical Partitions on the IBM Power5 Hardware Management Console HMC Functionalities iSeries mySeries 96 Hardware Management Console Web based System Manager home paed WebSM pref Management Environment wopr real net Server and Partition Server Manage Console Server Management Selected View Window Help Navigation Area 9 Management Environment Operator Panel Value Ee wopr real net Hg Server and Partition EF Partitions E Frame Management D P1 Running L Aj P1 _Profilet 8 Information Center and Setup Wizard FF P2 Running 4 P2_Protile1 Fey System Profiles L r System_1 FH Licensed Internal Code Maintenance A HMC Code Update Li Licensed Internal Code Updates EHE HMC Management ih HMC Users LER HMC Configuration HE Service Applications amp Service Agent SF Remote Support amp Service Focal Point
9. STATUS HMC Yersion 4 HMC Co e Update HMC Release 4 0 Gets and install HMC version releases and hot fixes gt Via removable media local FTP server or internet IBM service FTP server Backups gt Critical console data vs upgrade data iSeries mySeries 98 F Web based System Manager home paed WebSM pref Management Environment wopr reaLnet Licensed Internal Code Maintenance Console Licensed Internal Code Updates Zelecie View Window Help A Navigation Area Licensed Internal Code Maintenance Licensed Internal Code Updates E Management Environment H wopr real net EHEJ Server and Partition F Frame Management Licensed Internal Code Updates The Licensed Internal Code Updates selection of the Licensed Intern manages the installation of licensed internal code on your managed installing licensed internal code on your managed systems click Chi i Server Management 2 Information Center and Setup Wizard EHET Licensed Internal Code Maintenance A HMC Code Update R Licensed Internal Code Updates EHT HMC Management ih HMC Users LER HMC Configuration HE Service Applications Service Agent oF Remote Support L Service Focal Point This application requires access to a service repository either a remote location or DYD drive Files will be selectively downloaded to the HMC to apply licensed inte More Information Change Internal Co
10. AIX does NOT SUPPORT virtual things iSeries mySeries 78 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 gt This means that you cannot share a bus between a Linux AIX partition and an i5 OS partition gt This means that you cannot switch a device between a Linux AIX partition and an i5 OS partition You can switch a device between i5 OS partitions You can switch a device between AIX Linux partitions iSeries mySeries 79 Planning Know restrictions Disk formats gt i5 OS uses 540 bytes sector format Sector data CRC TAG bits gt Following units comes with i5 OS format 4319 35 16 GB 4326 35 16 GB 4327 70 56 GB 4328 140 12 GB gt AIX uses 522 bytes sector format for RAID 5 protected units 512 bytes sector format for all others gt AIX won t recognize disks with 540 bytes sector format Those units will need a low level formatting iSeries mySeries 80 Planning Think Make a capacity planning gt Determine your needs Inventory existing system gt Determine which component may will be reused Build a new system Validate the new system gt Use LPAR Validater Tool gt Call IBM or a Business Partner Consider to upgrade existing system to supported OS version release gt Con
11. At least 0 10 PU 1 millisecond gt Granularity of movements 0 01 PU gt Processor moves are dynamic without any IPL within the configured ranges gt Unallocated PU are not used iSeries mySeries 24 Processor Concepts Potential Shared Processors Penalty Increase the possibility that job s won t complete and gt Have to be re dispatched and potentially have to reload cache gt Increase the chance of a cache miss Reduce the chance for processor memory affinity Increase the Power Hypervisor work gt Tracking each partition use of its allocated milliseconds iSeries mySeries 25 Processor Concepts Virtual Processors The number of virtual processors represents gt The number of physical processors that the partition is able to use gt The number of simultaneous jobs threads execution gt The number of processors that the operating system thinks he has to use iSeries mySeries 26 Processor Concepts Virtual Processors 10 milliseconds iSeries mySeries 27 Processor Concepts Virtual Processors 10 milliseconds 20 milliseconds of processor time iSeries mySeries 28 Processor Concepts Virtual Processors Rules amp requirements gt It is possible to allocate more virtual processors than there are in the shared processor pool The actual number of processor
12. Bibliography Draft Document for Review November 30 2004 3 31 am SG24 6455 00 AIX 5L on IBM eServer 15 Implementation Guide JP Understanding new LPAR on POWERS based i5 for AIX 5L partition setup A Step by step installation guide of AIX 5L partition on i5 AIX 5L primer for i5 0S specialists Martin Balaz Fredy Cruz Jim Dounis Maciej Jedrzejczak Grant Wang Yessong Johng ibm com redbooks Red books iSeries mySeries 114 Bibliography A Guide to Planning and Implementation Learn about the Virtual Partition Manager VPM Review planning guidance for an eServer i5 server with VPM Create partitions and allocate virtual resources with VPM Amit Dave Erwin Earley Nick Harris Fant Steele a Redpaper iSeries mySeries Bibliography IBM server i5 iSeries 3 gt and AS 400e System Builder IBM i5 0S Version 5 Release 3 October 2004 a The authoritative source for current server i5 and iSeries models a Facts rules and placement for server i5 and iSeries features a Product numbers prerequisites storage and software Greg Hidalgo Miroslav lwachow Axel Lachman Henry Matos a Matthew Bedernjak Glen McClymont E Lori O Dell David Crow Susan Powers Louis Cuypers Samit Saliceti Harold Distler Jerry Watson ibm com redbooks ed b 0 oks iSeries mySeries 116 Thank You iSeries mySeries C
13. Hypervisor allocated memory equally from all nodes gt This leads to more remote memory access Power5 hypervisor tries to do better gt Processors are assigned on the fewest nodes possible gt Configured memory will be assigned keeping as much memory as possible on the same node gt The HPT for the partition will be assigned on the same node How becomes memory affinity with dynamic processor memory moves gt The system will do its best gt But there is no guarantee that the best configuration can be maintained gt A full system restart hypervisor may be needed to return system in its optimal configuration iSeries mySeries 39 iSeries mySeries Logical Partitions on the IBM Power5 Resources Management Concepts I O Subsystem iSeries mySeries 40 I O Concepts I O Facts I O allocations are done at slot level gt A single slot can be allocated I O structure must be understood for proper configuration iSeries mySeries 41 I O Concepts Hierarchy of Microprocessors gt Main Storage od System Main Storage Bus OF a oF HSL Loop amp KO KY iSeries mySeries 42 I O Concepts Hierarchy of Microprocessors HSL Loop Os a pec niii 3385 8 iSeries mySeries 43 I O Concepts I O Facts I
14. There is no longer the concept of a Primary Partition gt There is no longer the need to IPL the whole system to make partitions changes gt There is no longer a single point of failure with a Primary Partition Also known as gt Firmware gt Server Firmware gt Hypervisor gt Power Hypervisor gt pHyp gt Underware iSeries mySeries 10 Architecture The Power Hypervisor Functions Virtual processor support gt Allocation of physical processor time to partition thru virtual processors Virtual memory management gt Allocation of physical memory to partition thru virtual memory Virtual hardware support gt Processors gt OptiConnect gt SCSI gt Ethernet gt Serial Security an isolation between partition gt Partition allowed to access only to their allocated resources gt Enforced by the Power Hypervisor Reinitializes processors resets registers flushes caches Clears memory Reset I O devices iSeries mySeries 11 Architecture Hardware Starting an 15 OS partition Hypervisor will operates a virtual service processor to load and start SLIC gt SLIC is changed to interface with the new Power Hypervisor gt TIMI and all the layers above are still in place iSeries mySeries 12 Architecture Hardware Starting a LINUX or AIX partition Hypervisor will operates gt Open Firmwa
15. iSeries mySeries 67 IBM eServer 15 595 Model 15 595 CoD from 24500 to 165000 CPW Minimal Configuration gt Processor 8 Ways Power5 1 65GHz L1 L2 L3 Cache gt Processing units available 8 0 gt Maximum partitions 80 Maximal Configuration gt Processor 64 Ways Power5 1 65GHz L1 L2 L3 Cache gt Processing units available 64 0 gt Maximum partitions 254 iSeries mySeries 68 iSeries mySeries Logical Partitions on the IBM Power5 Planning iSeries mySeries 69 Planning Think Understand eServer i5 capabilities gt Review previous chapters gt System Builder Understand Operating System requirements gt i5 OS gt Linux gt AIX iSeries mySeries 70 Planning Requirements for 15 OS Are mandatory gt At least 0 10 processing unit Commonly represents 330 CPW gt At least 256 MB of main storage Just enough to load and start SLIC amp i5 OS plan a few bit more to open a session gt One direct attach internal disk unit LSU Minimum size 8 58 GB gt One console Can be a HMC thru virtual serial port gt One alternate IPL device DVD or tape unit can be switchable or dedicated gt One backup device A tape unit can be switchable or dedicated Operating system gt i5 0S V5R3M0 DO NOT USE SLIC RSA iSeries mySeries 71
16. in the shared processor pool is a floating number A single physical processor can report in the system as a n ways gt You cannot allocate less than 0 10 PU per virtual processor Example reguesting 0 20 PU to run on 4 VCPU means 0 20 4 0 05 lt 0 10 gt Changes are dynamic without any IPL within the configured ranges iSeries mySeries 29 Processor Concepts Uncapped Processors Uncapped allows to potentially utilizes unused processor capacity in the system Uncapped weight is used to determine how unused capacity is distributed gt P1 weight is 200 gt P2 weight is 100 gt P1 will receive 2 3 of the unused shared processor capacity gt P2 will receive 1 3 of the unused shared processor capacity gt If P1 does not need all 2 3 of capacity then P2 could get more iSeries mySeries 30 Processor Concepts Dedicated Shared Capped or Uncapped How to decide on using gt Dedicated or shared processors gt If using shared processors it is to be capped or uncapped gt And how many virtual processors do I allocate The best performance may be achieved by using dedicated processors gt However dedicated processors cannot utilizes excess capacity Shared uncapped will allow use of excess capacity of the processor but gt Setting virtual processor number too low will limit uncapped usage gt Setting virtual processor number too h
17. Console HMC Configuration oslec s View Window Help 0 9 HMC Management HMC Configuration Navigation Area 0 Management Environment Ee wopr real net EHEJ Server and Partition F Frame Management HMC Configuration Use the HMC Configuration application to set the Hardware Management Console s HMC date and time configure network settings for the HMC view console events and schedule routine backups i Server Management 8 Information Center and Setup Wizard FH Licensed Internal Code Maintenance A HMC Code Update Le Licensed Internal Code Updates EHE HMC Management i HMC Users i HMC Configuration HE Service Applications amp Service Agent oF Remote Support amp Service Focal Point More Information Customize Console Date and Time TASKS View Console Everts Customize Network Settings Test Network Connectivity Schedule Operations Enable or Disable Remote Command Execution nable or Disable Remote rtual Termina HMC Configuration All HMC parameters gt Date time network iSeries mySeries 101 Hardware Management Console Web based System Manager home paed WebSM pref Management Environment wopr real net Service Applications Service Agent Console Service Agent lt View Window Help a 3 1 9 9 Navigation Area Service Applications Service Agent E Management Environment
18. I O Facts Each partition has virtual I O slots gt The number of slots is configurable The more virtual slots you configure the more the hypervisor will need memory gt Similar in concept to physical I O adapter slot gt Each slot can be populated with a virtual adapter instance Serial Network Ethernet or SCSI Server or Client Adapters are defined into partition configuration profile gt For each slot the configuration profile contains adapter type and parameters gt Adapters are created by the hypervisor when the partition is activated iSeries mySeries 48 Virtual I O Concepts Virtual Bus Virtual Virtual Virtual Serial Ethernet SCSI G od il Power Hypervisor iSeries mySeries 49 Virtual I O Concepts Virtual I O Facts What is dynamic gt As for physical I O adapters virtual I O adapters can be dynamically added changed or removed gt Unlike physical I O slots virtual I O slots cannot be moved from one partition to another What is not dynamic gt Changing the number of slots requires a partition deactivation and reactivation iSeries mySeries 50 Virtual I O Concepts Virtual Serial Virtual serial adapter provides point to point connection between gt The partition and the HMC gt The partition and another partition Purpose gt Virtual console gt Virtual terminal Parameters gt Slot numb
19. O allocations are done at slot level gt A single slot can be allocated gt BUS IOP IOA requirements must be met Allocate a slot as desired gt If the resource is available at allocation then grab it gt Otherwise continue to activate anyway Allocate a slot as required gt If the resource is available at allocation then grab it gt Otherwise do not continue the activation process iSeries mySeries 44 I O Concepts IOP Less IOAs B E Eli gt io iSeries mySeries 45 I O Concepts I O Facts Once allocated some I O resources needs to be identified gt Load Source Unit resource Tells the hypervisor which IOA drives the LSU This is mandatory gt Alternate IPL resource Tells the hypervisor which IOA drives the alternate IPL device This is optional gt Console resource Tells the hypervisor which IOA drives the console resource This can be the HMC thru virtual I O This is mandatory gt Operations Console resource Tells the hypervisor which IOA will be used for ECS This is optional gt Alternate Console resource Tells the hypervisor which IOA drives the alternate console resource This is optional iSeries mySeries 46 iSeries mySeries Logical Partitions on the IBM Power5 Resources Management Concepts Virtual I O iSeries mySeries 47 Virtual I O Concepts Virtual
20. PC compatible 64 bits kernel Linux edition Red Hat Enterprise Linux AS for POWER v4 Novell Suse Linux Enterprise Server for POWER v9 gt AIX 5L v5 3 iSeries mySeries 75 Planning Requirements for Linux AIX 5L v5 3 Plan also for gt LAN ports gt WAN ports gt SCSI ports gt FC ports gt USB ports gt IDE ports gt VIRTUAL ports iSeries mySeries 76 Planning Requirements for AIX 5L v5 2 REMEMBER this version of AIX does NOT SUPPORT virtual things gt Virtual processors cannot be used gt Memory cannot be dynamically assigned gt No virtual networks nor virtual storage can be used gt Virtual console can be used Are mandatory gt Atleast 1 dedicated processor gt Some memory depending on the applications you ll have to run gt One disk unit One console Can be a HMC thru virtual serial port gt One alternate boot device CD or DVD gt One backup device A tape unit can be switchable or dedicated iSeries mySeries 77 Planning Requirements for AIX 5L v5 2 gt Virtual processors cannot be used gt Memory cannot be dynamically assigned gt No virtual networks nor virtual storage can be used gt Virtual console can be used Plan also for gt LAN ports gt WAN ports gt SCSI ports gt FC ports gt USB ports gt IDE ports REMEMBER this version of
21. Series 64 IBM eServer 15 520 Model 15 520 1000 CPW Processor 1 Way Power5 1 50GHz L1 L2 Cache Processing units available 0 43 Maximum partitions 4 Model 15 520 2400 CPW Processor 1 Way Power5 1 50GHz L1 L2 Cache Processing units available 1 00 Maximum partitions 10 Model 15 520 3300 CPW Processor 1 Way Power5 1 65GHz L1 L2 L3 Cache Processing units available 1 00 Maximum partitions 10 Model 15 520 6000 CPW Processor 2 Ways Power5 1 65GHz L1 L2 L3 Cache Processing units available 2 00 Maximum partitions 20 iSeries mySeries 65 IBM eServer 15 550 Model 15 550 CoD from 3300 to 12000 CPW Minimal Configuration gt Processor 2 Ways Power5 1 65GHz L1 L2 L3 Cache one i5 OS license gt Processing units available 2 0 gt Maximum partitions 20 Maximal Configuration gt Processor 4 Ways Power5 1 65GHz L1 L2 L3 Cache gt Processing units available 4 0 gt Maximum partitions 40 iSeries mySeries 66 IBM eServer 15 570 Model 15 570 CoD from 3300 to 44700 CPW Minimal Configuration gt Processor 1 Ways Power5 1 65GHz L1 L2 L3 Cache gt Processing units available 1 0 gt Maximum partitions 10 Maximal Configuration gt Processor 16 Ways Power5 1 65GHz L1 L2 L3 Cache gt Processing units available 16 0 gt Maximum partitions 160
22. de TASKS Flash Side Selection Service Only Manufacturing Equipment Specification Upgrade Licensed Internal Code Updates Manages managed systems firmware gt Installed Temporary activated and Accepted Permanent iSeries mySeries 99 Hardware Management Console Web based System Manager home paed WebSM pref Management Environment wopr real net HMC Management HMC Users Console HMC Users Management oslec View Window Help a 3 1 9 9 Navigation Area HMC Management HMC Users 5 9 Management Environment E wopr real net EHEJ Server and Partition F Frame Management HMC Users Use the HMC User Management to create and manage users i Server Management control access to tasks and objects on the HMC i Information Center and Setup Wizard FH Licensed Internal Code Maintenance HMC Code Update i Licensed Internal Code Updates EHEJ HMC Management A ee ER HMC Configuration HE Service Applications Service Agent eP Remote Support Service Focal Point More Information Manage HMC Users and Access Manage Access Task Roles and Managed Resource Roles TASKS HMC Users Define users Define roles iSeries mySeries 100 Hardware Management Console Web based System Manager home paed WebSM pref Management Environment wopr real net HMC Management HMC Configuratio
23. er gt Adapter type server or client gt Connection information who can connect The HMC Any remote partition Selected remote partition iSeries mySeries 51 Virtual I O Concepts Virtual Ethernet Virtual ethernet adapter provides connections between the partition and virtual networks Purpose gt Provides high speed connections between partitions 1 Gbps ethernet gt Provides secure connections between partitions A virtual network cannot be tapped or sniffed Parameters gt Slot number gt Network number up to 4096 virtual networks Who can participate to a Virtual LAN gt Any i5 OS partition gt Any Linux partition gt Any AIX 5L v5 3 partition iSeries mySeries 52 Virtual I O Concepts Virtual Ethernet A 8 db OG OG sis ji meee Virtual LAN X Virtual LAN Y iSeries mySeries 53 Virtual I O Concepts Virtual SCSI Virtual SCSI adapter provides SCSI storage services connection between partitions Purpose gt Storage virtualization Parameters gt Slot number gt Adapter type server or client gt Connection information for the server who can connect Any remote partition Selected remote partition gt Connection information for the client wheresto connect Which partition Which slot Who can be SCSI server gt Any i5 OS partition Who can be SCSI client
24. igh will degrade performance What does IBM recommends gt It depends What do I recommend gt Keep things simple iSeries mySeries 31 Processor Concepts Simple Recommendations On small configurations use shared uncapped processor gt Allocate desired processing units according needs gt Keep a little portion of unused processing units gt Configure uncapped weight according partition importance Set virtual processor number to a reasonable value gt Set a value close to the number of allocated processing units 0 4 PU running on 1 VCPU 1 8 PU running on 2 VCPU gt Take care of your workload pattern 1 0 PU running on 1 or 2 VCPU Single job single thread applications will not take benefits when running on multiple VCPU Multiple job multiple thread applications will run more efficiently when running on multiple VCPU Take care of SMT capabilities gt Do not exceed the number of physical processors iSeries mySeries 32 Processor Concepts About Simultaneous Multi Threading SMT SMT is a technology that allows a single CPU to be seen logically as 2 logical CPU gt Physical processor gt Logical processors SMT allows 2 threads to run simultaneously on the same processor gt Using different execution units or pipes SMT optimizes the usage of the 7 execution units of a PowerPC processor Hypervisor only deals with phy
25. n System profiles and partition profiles are stored in SP s NVRAM When SP detects that a redundant HMC is connected gt SP copies NVRAM configuration to the new HMC iSeries mySeries 90 Hardware Management Console Redundant HMC configuration considerations Both HMCs can be used concurrently gt Both are fully active and accessible at all times Both enabling you to perform management tasks at any time gt SP provides a lock mechanism to allow operations in a parallel environment gt When one HMC issues an order the other HMC is temporarily locked out There is no primary or backup designation But Other definitions are locally stored and must be set up separately on each HMC gt User authorizations gt Network settings gt Service Settings HMC provides Service Focal Point and Service Agents functions gt Enable service on only one HMC to avoid duplicate service calls Perform software maintenance separately on each HMC gt Ensure HMC availability when updating code level gt Meanwhile update other HMC code to same level as soon as possible Consider save restore critical data to duplicate configuration information iSeries mySeries 91 Hardware Management Console Private indirect networking Service amp Support HMC1 HMC2 LAN1 LAN2 Private LAN iSeries mySeries 92 Hardware Management Console
26. n deactivation an reactivation gt Granularity of moves Dedicated processors 1 processor Shared processors 0 01 processing unit PU per virtual processor Virtual processors 1 virtual processor A processor move implies gt Deallocation of processor or processor time gt Clear caches and registers gt Allocation of processor or processor time Nearly immediate iSeries mySeries 59 Dynamic LPAR What can be changed dynamically Memory gt Within established minimum and maximum Configuration maintained in the partition profile Changes to minimum or maximum requires partition deactivation an reactivation gt Granularity of moves The size of a Logical Memory Block LMB 16 Megabytes In the future those Moves A memory move implies gt Deallocation of memory From the BASE pool Memory pages must be written to disk before deallocation gt Clear of memory gt Allocation of memory to the new partition To the BASE pool Time required gt Up to 5 minutes iSeries mySeries 60 Dynamic LPAR What can be changed dynamically I O Slots gt Only desired slots can be moved gt Remember i5 OS still needs IOPs An IOP without IOA is functional but not very useful An IOA without IOP is nothing BUS IOP IOA requirements must be kept gt Remember IOP less IOAs Ethernet adapters Cryptographic processors m
27. nt Environment oe wopr real net Hg Server and Partition F Frame Management Service Focal Point The Service Focal Point lets you view or work on errors logged against a system In addition you can invoke service functions on systems and parts not associated with a particular problem i Server Management 8 Information Center and Setup Wizard EHET Licensed Internal Code Maintenance Q HMC Code Update 48 Licensed Internal Code Updates More Information EHET HMC Management Repair Serviceable Event 1644 HMC Users Manage Serviceable Events LER HMC Configuration nstalli4dd Remove Hardware HE Service Applications amp Service Agent df Remote Support Service Focal Point TASKS Exchange Parts Service Utilities Collect VPD Information Service Focal Point Manage reported events and errors Concurrent maintenance Service utilities gt Access to control panel service functions e g Function 21 Request DST iSeries mySeries 104 One more thing iSeries mySeries 105 iSeries mySeries Logical Partitions on the IBM Power5 Virtual Partition Manager iSeries mySeries 106 Virtual Partition 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
28. ontact Information REAL Solutions S A Rue d Eich 33 L 1461 Luxembourg Eddy Pasteger System Engineer Manager iSeries Certified Solutions Expert Voice 352 43 65 22 1 Fax 352 42 26 38 E mail eddy pasteger real lu iSeries mySeries 118
29. ore in the future the direction is to get away from the IOP iSeries mySeries 61 Dynamic LPAR What can be changed dynamically An I O slot move implies gt Deactivation of the dependent device VARY OFF gt Deallocation of the slot IOP IOA gets first the inoperative then not detected status gt Reset of the IOP IOA cache memory registers gt Allocation of the slot to the destination partition IOP IPL download of its microcode activation of the IOP JOA initialization download of its microcode activation of the IOA IOP IOA gets the operational status some failed status may temporarily appears gt Activation of the dependent devices VARY ON Time required gt Up to 10 minutes iSeries mySeries 62 Dynamic LPAR What can be changed dynamically Virtual I O Slots gt Can only be filled or emptied Cannot be moved from one partition to another gt Only desired slots can be moved Configuration maintained in the partition profile Changes to the desired required status of a slot requires partition deactivation an reactivation Changes to the number of virtual slots requires partition deactivation and reactivation gt Granularity of moves One slot iSeries mySeries 63 iSeries mySeries Logical Partitions on the IBM Power5 LPAR Capable Server Models iSeries my
30. r Main Processor Complex Storage I O Subsystem Permanent Temporary The Service Processor aka SP Once main power is connected gt The SP activates its own firmware operating system gt Control panel shows C1xx progress codes Gathers vital product data VPD from the electronic components in the server Runs diagnostic routines to verify its hardware and firmware gt Control panel shows 01 and the green power LED is flashing The server is in SP Standby mode The server is ready to interface with HMC iSeries mySeries Architecture P1 P2 P3 P4 Service Processor Main I O Processor Complex Storage Subsystem The Service Processor aka SP Once you power on the system gt The SP turns on the system power All I O towers via SPCN gt Control panel shows C7xx progress codes Runs diagnostic routines to verify system processors and system main storage Verifies that it can communicate with environmental sensors and monitors in the system gt Control panel shows 01 and the green power LED is on The server is in Hypervisor Standby mode iSeries mySeries Architecture The Power Hypervisor Previously part of the System Licensed Internal Code SLIC gt Known as Partition Licensed Internal Code PLIC gt PLIC is enhanced to be used with the eServer i5 hardware Power Hypervisor is independent from any operating system gt
31. re contains boot time drivers and the boot manager gt RTAS is a service that passes platform dependent system calls to the Hypervisor Other is characteristic to the guest operating system gt E g Linux has a monolithic kernel while AIX has a microkernel hybrid structure iSeries mySeries 13 Architecture Hypervisor Code Maintenance i5 OS A B Firmware Service Processor Firmware Permanent Temporary iSeries mySeries 14 iSeries mySeries Logical Partitions on the IBM Power5 Resources Management Concepts iSeries mySeries Resources Management Concepts What is logical partitioning The ability to make a single server run as if it were many independent systems Each logical system is called a Partition Each partition operates as an independent system Each partition will receive a portion of the system resources gt Processor gt Memory gt I O slots gt Virtual I O slots iSeries mySeries iSeries mySeries Logical Partitions on the IBM Power5 Resources Management Concepts Processor iSeries mySeries Resources Management Concepts Processor Concepts Dedicated vs Shared Processors Virtual Processors Capped vs Uncapped Processors Considerations about LPAR and SMT iSeries mySeries Processor Concepts
32. ronment oe g wopr real net Hg Server and Partition Frame Management Remote Support Remote support includes setting up connectivity between the systerr and its service provider The customer information is used to identify the system and its administrators to the service provider i Server Management 8 Information Center and Setup Wizard EHET Licensed Internal Code Maintenance A HMC Code Update LP Licensed Internal Code Updates These tasks also set up connectivity between the service provider andthe system Active remote support requests and remote connections may be viewed and managed M EH HMC Management More Information ih HMC Users i HMC Configuration Customize Customer Information HE Service Applications amp Service Agent oF Remote Support amp Service Focal Point TASKS Customize Outbound Connectivity Customize Inbound Connectivity Manage Remote Support Requests Manage Remote Connections Customize Service Settings Remote Support Connectivity outbound and inbound Via SMTP or VPN iSeries mySeries 103 Hardware Management Console Web based System Manager home paed WebSM pref Management Environment wopr real net Service Applications Service Focal Pi Console Service Focal Point osiccis View Window Help a 3 1 9 9 Navigation Area Service Applications Service Focal Point 9 Manageme
33. sical processors gt Each operating system can use the physical processor as its needs gt SMT can be used or not according partition s operating system configuration For i5 OS refer to system value QPRCMLTTSK iSeries mySeries 33 iSeries mySeries Logical Partitions on the IBM Power5 Resources Management Concepts Main Storage iSeries mySeries 34 Main Storage Concepts Memory Allocation Facts Power4 Hypervisor allowed memory manipulation at the single megabyte 1MB level Memory in the Power5 machines cannot be manipulated that finely gt Memory must be assigned or moved in blocks gt Theses blocks are called Logical Memory Blocks LMB or Memory Regions About those Memory Regions gt LMB are sized in multiples of 16 MB Future implementations will allow use of 16 32 64 128 or 256 MB blocks LMB size is a system wide parameter gt LMB is the smallest amount of memory that can be manipulated iSeries mySeries 35 Main Storage Concepts CAP M m Main Storage Memory Allocation Facts Hypervisor uses memory to run the system Hypervisor memory used expands and contracts based on many variables gt Number of partitions gt Amount of I O attached to the system gt Amount of virtual I O slots used in each partition gt HSL OptiConnect and Virtual OptiConnect links Starting and or stopping a par
34. sider EVERY partition gt Upgrades to i5 OS V5R3 V5R3 does NOT support models 150 6xx Sxx V5R3 is the last release to support models 170 250 7xx V5R3 is the last release to support SPD hardware V5R1 planned end of support is September 2005 iSeries mySeries 81 Planning Think Order your new system Upgrade existing system s to supported OS version release gt Consider EVERY partition Write procedures for installation upgrade gt Disk moves or unload reload gt Side by side iSeries mySeries 82 Planning Then act Backup existing system gt Twice Perform physical installation gt Install every hardware piece at its planned position gt Install and configure HMC Setup wizard gt Power on the new system to Hypervisor Stand by mode gt Create LPAR definitions Start or reload gt If disk were moved just start gt Else just reload Validate your new system and enjoy it iSeries mySeries 83 iSeries mySeries Logical Partitions on the IBM Power5 Hardware Management Console iSeries mySeries 84 Hardware Management Console What is it Hardware dedicated to console functions Used to create and maintain a multiple partitioned environment gt Startup amp shutdown partitions gt Performing resource movements Displaying a
35. tion to HMC is not available gt If a HMC is deployed in a future stage Linux partitions must be re created gt Data stored thru virtual I O on i5 OS is preserved Configurations screens are available only in english gt No translation iSeries mySeries 109 Virtual Partition Manager Virtual Partition Manager vs Hardware Management Console Operating systems supported i5 OS and Linux i5 OS Linux and AIX Maximum number of partitions 5 1x i5 OS 4x Linux Uncapped partition support Yes Dynamic resource movement pm I O support for Linux Virtual and Direct Maximum number of ethernet connections Maximum virtual disk per partition iSeries mySeries 110 Questions amp Answers iSeries mySeries 111 iSeries mySeries Logical Partitions on the IBML Power5 Bibliography iSeries mySeries 112 Bibliography Logical Partitions on the IBM PowerPC A Guide to Working with LPAR on Power5 i5 Servers JP Understand the new logical partitions for IBM Power5 architecture Learn how to install configure and manage LPAR with the latest HMC me M Discover how to implement 0S 400 logical partitions ale Barrick Ivan Berrios Ron Carter Ron Frantish Ed Gerwill Marco Guadagno Shashank Jamgavkar Steve Mann Andrei Matetic Alain Plu lan Smith Nick Harris ibm com redbooks Reg books iSeries mySeries 113
36. tition affects hypervisor memory requirements gt Hypervisor memory allocation made by 16 MB increments iSeries mySeries 36 Main Storage Concepts Memory Allocation Facts A Hardware Page Table HPT is needed to manage memory Power4 Hypervisor reserved HPT within partition memory Power5 Hypervisor allocates HPT separately from partition memory Size of the HPT depends of the maximum memory amount the partition can receive Basic calculation maximum memory divided by 64 rounded up to next power of 2 gt A partition can allocates a maximum of 12 GB 12288 MB gt HPT size will be 12288 64 192 next power of 2 is 256 gt HPT size will be 256 MB Recommendation gt Take care of HPT when allocating memory to partitions gt Plan to allocate 12288 256 12032 MB for the partition gt Memory actually used will be 12288 MB Main Storage size MUST be carefully planned iSeries mySeries 37 Main Storage Concepts Memory Allocation Facts Remember gt A node is a packaged set of processors caches L1 L2 L3 and memory on a module gt Remember about home node local node and remote node gt Remember about local memory access and remote memory access gt Remember about memory affinity iSeries mySeries 38 Main Storage Concepts Memory Allocation Facts Power4
37. virtual console Displaying a virtual operator panel Detecting reporting and sorting change in hardware conditions Gathering and reporting system error events Activating CoD resources Supports i5 OS Linux and AIX Is it mandatory YES for LPARed systems YES for CoD systems Not reguired to operate partitions iSeries mySeries 85 Hardware Management Console Appliance based on xSeries technology Minimum configuration includes gt Intel Pentium 4 processor gt RAM 1 GB gt HDD 40 GB gt LAN 2x 1000 100 10 Mbps ethernet gt DVD RAM 1x gt FDD 1x Cleaned Linux with HMC application GUI Connects to i5 and p5 servers Using dedicated HMC ports Up to 64 partitions on 16 servers Packaging Desktop version 7310 C03 Rack version 7310 CR3 iSeries mySeries 86 iSeries mySeries Logical Partitions on the IBM Power5 Hardware Management Console Connecting HMC iSeries mySeries 87 Hardware Management Console HMC1 HMC2 LAN1 LAN2 ETHO ETH1 Ethernet Ports Private LAN Open LAN Auto MDIX ports gt Medium Dependent Interface Crossover iSeries mySeries 88 Hardware Management Console HMC1 HMC2 LAN1 LAN2 Simple HMC connection iSeries mySeries 89 Hardware Management Console HMC1 HMC2 LAN1 LAN2 Cloning HMC configuratio
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