Advanced POWER Virtualization on IBM System p5 - Previous ...

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Micro-Partitioning 3, 32–33 49 capped 34, 39, 42–44 considerations 42 dedicated memory 33 entitlement capacity 38, 40, 51, 60 firmware enablement 28 licensing 60 capped 57 entitlement capacity 57–58 uncapped 57 overview 33 processing capacity 34 uncapped 34, 42–44 uncapped weight 35, 43 virtual console 49 virtual SCSI 49 VLAN 49 middleware 54 migratepv command 312 migration Virtual I/O Server 100 mirror Linux 111 mirrored disk stale partitions 183 mirroring the Virtual I/O Server rootvg 174 mirrorios command 174 mirrorvg command 210 mktcpip command 216, 294 mkvdev command 150, 227, 292, 294 monitoring 53 CPU statistics in shared-processors 324 lparstat 335 mpstat 323, 326, 340 nmon 350 partition entitlement 324 performance measurements 322 performance toolbox 354 perfwb 350 sar 323, 326 SMT 48 smt statistics 323 topas 328 virtualized environment 321 vmstat 355 xlpstat 348 MPIO 183 hcheck_interval 230 IBM storage solutions 242 IEEE volume identifier 243 Linux 115 lspath command 231 PVID 243 RDAC 243 Scenario 218 SDD 244 SDDPCM 244 unique device identifier 243 mpstat command 341 mpstat output interpretation 341 MTU 73, 203 multicast 81 Multi-Path I/O Linux 111 considerations 115 multiple operating system support 4 Muti-Chip Module, MCM 52 Muti-Path I/O, MPIO 101 N NAT 73 NDP 81 netstat command 290, 293 network adapter 77 interface backup 77 Network Interface Backup 190, 234 network security 358 NIB 234 NIM 280 nmon, tool 350 O Object Data Manager, ODM 93 oem_setup_env command 168, 243 on-off Capacity Upgrade on Demand 4 Open Shortest Path First 190 operating system 49 AIX 42–43, 53, 56 boot image 47 licensing 59 monitoring 53 PLM 102 SMIT 48 APV support 9 452 <strong>Advanced</strong> <strong>POWER</strong> <strong>Virtualization</strong> on IBM System p5
i5/OS 54, 102 Linux 102 reboot 46 Red Hat AS 69 SLES 69 VIO 59 operating system support AIX 10 i5/OS 11 Linux 10 optical device 54, 95 IVM 107 OSPF 190 P padmin userids 118 partition boot 106 capped licensing 61 client 93 configuration IVM 106 count 356 dedicated 42, 56 definition 54 DLPAR 40, 42, 56 licensing 63 virtual SCSI 95 dynamic IVM 108 SLES 115 entitlement capacity 60 hosting partition 90 inter-partition networking 70, 79 licensing capped 57 entitlement capacity 57–58 uncapped 57 maximum 33 profile 38, 58 Virtual I/O 90 workload 44 Partition Load Manager 28 AIX 102 CPU load average high threshold 392 CPU load average low threshold 392 CPU notify intervals 392 donor 374 entitled capacity delta 393 excess weight 376 host identity 426 i5/OS 102 immediate release of free CPU 392 introduction 102 licensing 59 Linux 102 maximum entitlement per VP 393 memory management 378 minimum entitlement per VP 393 ordering 28 policy file 404 processor management 378 requestor 374 resource management policies 374 software license 30 start PLM server 411 partition profile 128 adding adapters dynamically 28 partitions capped or uncapped 357 Passport Advantage 60, 62 performance Shared Ethernet Adapter 83 SMT 48 virtual SCSI 101 permanent Capacity Upgrade on Demand 4 per-processor 55 per-server 55 physical adapters 42 Ethernet adapters 122 physical devices 53 physical processor 42, 44, 50, 58 affinity scheduling 37 Physical Volume Identifier, PVID 101 planning 59 plmsetup command 388 policy file, PLM 404 Port Virtual LAN ID, PVID 75, 83, 85 <strong>POWER</strong> Hypervisor calls 53 firmware 50 inter-partition networking 79 introduction 49 PLM 102 processor affinity 52 Index 453
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Front cover Advanced</stron
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Note: Before using this information
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2.1 New features in Version 1.3 of
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4.4.2 Configuration on the Virtual
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6.6.4 Managing memory resources . .
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3-9 Processing sharing mode and the
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5-14 Status window . . . . . . . .
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xiv Advanced <stro
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xvi Advanced <stro
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any form without payment to IBM, fo
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The team that wrote this redbook Th
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xxii Advanced <str
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- Additional information about the
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management” on page 257 discusses
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1.1.5 Virtual LAN 1.1.6 Virtual I/O
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The service processor provides the
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Adapter sparing Adapter sparing can
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1.4.1 IBM AIX 5L for System p5 syst
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Note: i5/OS partitions are only sup
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Function / capability IBM System z9
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1.6 The value of the Advanc
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18 Advanced <stron
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2.1 New features in Version 1.3 of
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► throughput and performance. For
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► IVM enhancements Industry leadi
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Shared Ethernet Adapter failover ca
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the partition. This allows you to c
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Figure 2-2 ASMI menu to enable the
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management interface for systems wi
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When setting up a partition, you ha
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partition with 0.50 processing unit
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processors and the other a single o
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Figure 2-5 shows the usage of the s
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2.4.5 Dynamic partitioning Partitio
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Number of virtual processors In gen
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The benefit of SMT is greatest wher
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Setting SMT mode using SMIT Use the
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The Hypervisor firmware and the hos
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Partition 2 is configured with one
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Note: The Virtual I/O Server suppor
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Most ISVs consider partitions with
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When a partition is running as unca
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► ► ► Selected IBM software p
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Shared pool = 4 CPU Sum EC = 3.0 PU
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For more information about the use
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Table 2-5 Licensing estimation for
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Maximum virtual processors used Cap
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2.8 Virtual and Shared Ethernet int
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► VLAN 2 - Node A-2 - Node B-3 -
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VLAN support in AIX 5L is based on
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2. Tagged port receives a packet ta
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page 78. EtherChannel and Link Aggr
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Note: In this type of configuration
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Figure 2-18 Shared Ethernet Adapter
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Other aspects that have to be taken
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► Only packets for the VLAN speci
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► Packets tagged with a VLAN othe
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► The value proposition enabling
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Figure 2-21 Virtual SCSI architectu
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Figure 2-23 and Figure 2-24 show th
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4. In the Virtual I/O Server, vios1
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The following are the steps to unco
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► ► A logical volume on the Vir
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I/O configuration, performance is a
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Hardware management is done by an H
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VMC allows IVM to provide basic log
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Virtual TTY In order to allow LPAR
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2.13.1 Linux device drivers for IBM
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Mirroring Linux can mirror disks by
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Figure 2-29 Bridging a virtual and
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116 Advanced <stro
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3.1 Getting started This section pr
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lspath mkpath mkvdev mkvt rmdev rmp
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3.1.2 Hardware resources managed Th
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3.2 Creating a Virtual I/O Server p
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3. Enter the partition name and ID
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5. You have the option to change th
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7. Select the Shared check box for
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9. Specify the processing sharing m
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11.Skip setting the I/O pools, as s
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2. Click the Create adapter button
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5. Add a virtual SCSI adapter to vi
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7. Select Normal for your boot mode
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A few seconds after the status wind
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3. Select the VIO_Server1 profile a
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You are now ready to use the newly
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3. Specify the Maximum virtual adap
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You can use the lsmap -all -net com
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2. Select the check box AIX or Linu
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2. Click Create client adapter. The
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4. Click Create server adapter and
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6. When the operation is complete,
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9. When you have completed adding v
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Server SCSI adapters have been adde
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Using logical partitions In our bas
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Note: Based on the lsdev -vpd comma
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It is useful to be able to map the
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Assuming that a NIM master is confi
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3. Set up the NIM master IP address
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3.4.6 Mirroring the Virtual I/O Ser
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Once the interaction between virtua
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Figure 3-45 shows the steps to crea
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Ethernet server adapter and a physi
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4.1 Providing higher serviceability
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Figure 4-1 MPIO and LV Mirroring wi
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Some advanced topics with respect t
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While EC is an Cisco-specific imple
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Alternatives for network high avail
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Figure 4-6 IP multipathing in the c
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SEA Failover works as follows: Two
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Although the alternative configurat
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► With NIB, the two internal netw
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In Figure 4-11 on page 201, a clien
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When Virtual I/O Server 2 returns t
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few cycles to set up, but none for
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4.1.7 Considerations The following
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. On step 10, allocate an unused Et
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7. Check the devices list on your V
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Figure 4-17 shows the intended solu
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. Click the Create Adapter button,
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Tip: Mismatching SEA and SEA Failov
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Checking which SEA is active Checki
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In this scenario, we attach each Vi
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2. Configure the SEA, as described
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5. Check for the vhost adapter usin
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8. Check again, using the lsdev com
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Check the mappings, as shown in Exa
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2. Check the MPIO configuration by
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To determine which path will use th
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7. On the first LPAR, create an enh
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A switch can be forced with the /us
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The configurations described in thi
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We recommend using mirroring, strip
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Supported multi-path configurations
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Supported scenarios using one Virtu
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Supported scenarios using multiple
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4.7.2 Supported Ethernet configurat
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In order to help clients improve th
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Clients can find the fixes and file
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Figure 4-35 shows the basic conside
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256 Advanced <stro
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5.1 Dynamic LPAR operations This se
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5. Figure 5-3 shows you the Virtual
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another partition. Use the lsslot -
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2. Select the adapter to be moved a
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5.1.3 Add memory dynamically in AIX
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5.1.4 Removing memory dynamically T
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The following command shows the eff
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2. Figure 5-17 shows the current pr
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et1 Defined 01-09 IEEE 802.3 Ethern
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1. Use the diagmenu command to unco
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5. Locate the blinking adapter, rep
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► Figure 5-19 shows you the topol
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Example 5-4 shows how to back up th
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Example 5-6 Creating a Virtual I/O
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5.2.5 Restoring the Virtual I/O Ser
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For an AIX 5L NIM server recovery,
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To view the System Plan, Select Sys
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In Example 5-11, we look to the map
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The last information we need is the
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In a mirrored environment, issue th
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Figure 5-23 shows that the virtual
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csm.diagnostics 1.5.0.0 # Cluster S
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os.txt.spell 5.3.0.10 # Writer's To
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hd3 jfs2 1 2 2 open/syncd /tmp hd1
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Adding a PCI hot plug adapter The t
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The following is a list of empty SC
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After the disk is replaced and brou
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2. Get a larger disk from the Virtu
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The updateios command does not comm
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Note: You can use dsh based on rsh,
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2 Checking if Redundancy with dual
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STATUS=`lspath -l $n | grep Failed
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Traditional performance measurement
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CPU statistics in shared-processors
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This is shown in Example 5-22 and E
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5.5.4 The topas command The topas c
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capped, and uncapped. The Mem and t
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Tip: The output of topas -cecdisp w
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These files can now be processed wi
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interval and count parameters. The
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The lparstat command POWER<
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Note: The variable capacity weight
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Column Measured parameter Comments
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The sysstat command The sysstat com
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write: wps avgserv minserv maxserv
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5.5.7 Monitoring with PLM The Parti
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Use the perfwb command to start the
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Using the r and p switches after st
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The nmon process runs in the backgr
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The POWER Hypervis
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5.7 Security considerations for Vir
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The firewall can be switched on and
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Enable mail client (dismaildmndls):
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Network option extendednetstats (ex
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Enable unsecure daemons (disrmtdmns
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Minimum number of chars (mindiffhls
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370 Advanced <stro
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6.1 Partition Load Manager introduc
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Notes: ► The PLM server may resid
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When PLM is notified that a partiti
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6.1.4 Memory management PLM manages
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However, the managed nodes know not
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sh and rcp During its installation,
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2. Create a toc file with the inuto
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. Append the PLM server public key
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You can set up the RMC using a scri
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Define a PLM policy as follows: 1.
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Table 6-2 CPU-related tunables CPU
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Memory tunables Table 6-4 shows the
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1. Start the Web-based System Manag
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4. Complete the information in the
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. Fill out the values for the tunab
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Page 430 and 431: Clicking the OK button will create
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Page 440 and 441: In its short form, the xlplm -Q com
Page 442 and 443: 6.3 Point-in-time and recurring rec
Page 444 and 445: Select the type of operation you wi
Page 446 and 447: 6.4 Tips and troubleshooting PLM Th
Page 448 and 449: Note: Exchanging keys is an importa
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Page 454 and 455: ► ► PLM does not directly state
Page 456 and 457: 6.6 Resource management Owners of I
Page 458 and 459: Characteristics of WLM, PLM, and sh
Page 460 and 461: Evaluating CPU utilization Traditio
Page 462 and 463: Shared-processor partitions support
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Page 466 and 467: FDX FLOP FRU FTP GDPS GID GPFS GUI
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Page 470 and 471: Other publications These publicatio
Page 472 and 473: ► ► ► ► Virtual I/O Server
Page 474 and 475: cfgdev command 163, 203, 264 cfgmgr
Page 476 and 477: excess weight, PLM 376 extendlv com
Page 480 and 481: processor dispatch 43, 50 processor
Page 482 and 483: VIO 59 virtual processor 61 mainten
Page 484 and 485: target 90, 92 virtual SCSI Server a
Page 488: Back cover Advanced</strong
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