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

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cfgdev command 163, 203, 264 cfgmgr command 175, 203, 264 chdev command 215, 225 chpath command 232, 311 chvg command 312 client adapter virtual SCSI 90 client partitions creating client partitions 151 command line interface IOSCLI 118 commands AIX arp 81 bootlist 210 bosboot 47, 210 cfgmgr 175, 203, 264, 310 chpath 232 chtcpip 21 chvg 22, 312 crontab 21 ctsthl 423 dsh 315 dshbak 316 entstat 235 extendlv 311 extendvg 210 hostname 210 lparstat 53, 325, 335, 339 lsattr 230, 270 lscfg 91, 232 lsdev 21, 91, 230, 262 lsmap 166 lspath 230–231, 311 lspv 210, 230 lsslot 262 lstcpip 21 lsvg 312 migratepv 312 mirrorvg 210 mkbdsp 21 mpstat 48, 53, 341 plmsetup 388 rmdev 262 sar 326 schedo 36 smctl 47 smitty 48 smitty installios 288 startnetsvc 21 stopnetsvc 21 topas 20, 329 varyonvg 183, 311, 315 viostat 20 vmstat 354 wkldagent 20 wkldmgr 20 xlplm 389 xlpstat 348, 411 Linux arp 81 brctl 81, 113 cp 114 ipfilt 113 vconfig 110 Other fget_config 168 topas -cecdisp flag 332 -R flag 333 VIOS backupios 281–282, 287, 290 cfgdev 163, 203, 215, 264 chdev 225 chpath 311 chsp 27 diagmenu 305 errlog 309 extendvg 174 help 119 importvg 291 installios 123, 142, 287 ioscli 121 license 145 lsdev 163, 222, 290 lsfailedlogin 368 lsgcl 368 lslv 100 lsmap 224, 291 lspv 290 lssp 27 lsvg 290 mirrorios 174 mkbdsp 27 mksp 27 mktcpip 216, 294 mkvdev 25, 150, 227, 292, 294 netstat 290, 293 448 <strong>Advanced</strong> <strong>POWER</strong> <strong>Virtualization</strong> on IBM System p5
oem_setup_env 168, 243 rmbdsp 27 rmdev 163, 310 snap 314 sysstat 344 tee 119 topasout 334 updateios 299, 313 viosecure 359 viostat 344 wkldagent 347 wkldmgr 347 wkldout 347 xmwlm 333 community 24 concurrent update of the VIOS 294 configuration IVM 106 virtual Ethernet 84 virtual SCSI 90 considerations 42, 99 dual VIOS 314 Shared Ethernet Adapter 206 Virtual Ethernet 206 console 49, 53 IVM 108 cores 55 Create Logical Partition Wizard 125 ctsthl command 423 CUoD See Capacity Upgrade on Demand D Dead Gateway Detection 190 de-allocation 41 dedicated memory 33 dedicated partition 42 dedicated processor 33, 37, 42 defining the Virtual I/O Server partition 124 device disk drive 91 drivers Linux 110 IEEE volume identifier 100 optical 54, 95, 107 UUID 100 virtual SCSI 90 DGD 190 DHCP 73 direct memory access 203 dispatch 43, 50 DLPAR 40, 42, 56 IVM 108 licensing 63 SLES 115 virtual SCSI 95 DMA 203 donor 374 DR See dynamic reconfiguration drivers Linux 110 dsh command 315 DSH_LIST variable 97 DSH_REMOTE_CMD variable 97 dshbak command 316 DVD, sharing 25 DVD-RAM, virtual optical devices 25 DVD-ROM, virtual optical devices 25 dynamic LPAR IVM 108 RMC 108 SLES 115 dynamic processor deallocation and sparing 7 dynamic reconfiguration 3, 354 dynamic routing protocols 190 E Eclipse development environment 349 Enhanced Concurrent Volume Groups 250 entitlement capacity 38, 40, 51, 57–58, 60 entstat command 235 EtherChannel 77, 83, 187 EtherChannel/Link Aggregation 234 Ethernet 53 adapter 77 EtherChannel 77 link aggregation 77 network interface backup 77 TCP Segmentation Offload 22 virtual Ethernet 79 VLAN 49 Ethernet adapter checksum computation 203 interrupt modulation 203 Ethernet adapters, supported 122 Index 449
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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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Page 430 and 431: Clicking the OK button will create
Page 432 and 433: . From the Web-based System Manager
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Page 438 and 439: The policy_file and log_file parame
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
Page 464 and 465: 438 Advanced <stro
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 476 and 477: excess weight, PLM 376 extendlv com
Page 478 and 479: Micro-Partitioning 3, 32-33 49 capp
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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