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

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VIO 59 virtual processor 61 maintenance 30–31 middleware 54 SSH 20 sparing adapters 8 memory 7 SSA support 99 stale partitions 183 startnetsvc 21 storage pools 27 Sub-capacity program 60, 62, 65 agreement attachment 60 enrollment 61 supported commands 119 SUSE Linux Enterprise Server 236 switch virtual Ethernet 79 SWMA 30–31 sysstat command 344 system management 311 Increasing a client partition volume group 311 system parameter security 358 System z9 comparison with p5 13 T tagged packets 76 tagged port 75 target 90, 92 tee command 119 thread 43 Tivoli License Manager, ITLM 61, 63 Tivoli System Automation 190 tools AIX nmon 350 topas command 329 topasout command 334 TotalStorage SAN Volume, IBM website 243 trial Capacity Upgrade on Demand 4 trunk flag 82, 194 trunk priority 136 TSA 190 TTY 54 IVM 108 U UDID 243 unassigned processor 55–56 uncapped 34, 42–44, 57 weight 35, 43 unique device identifier 243 unique device identifier, UDID 100 untagged packets 75 untagged port 76 updateios command 299 user ID padmin 118 V varyonvg command 183, 315 VIOS See Virtual I/O Server viosecure command 359 viostat command 344 VIPA 190 virtual cpu count 356 virtual CD-ROM 25 virtual console 49, 53 IVM 108 Linux 110 virtual Ethernet ARP 81 bridging 79, 84 broadcast 81 configuration 84 considerations 206 dynamic partitioning 203 EtherChannel 83 filtering 80 firewall 80 inter-partition networking 79, 85 introduction 70, 217–218, 255 IPSec 80 IVM 106–107 jumbo frames 79 layer-2 bridge 82 link aggregation 83 Linux 110 multicast 81 NDP 81 PVID 83, 85 QoS 80 routing 79, 84 456 <strong>Advanced</strong> <strong>POWER</strong> <strong>Virtualization</strong> on IBM System p5
Linux 113 switch 79 trunk flag 82 VLAN 85 virtual Ethernet adapter 203 access the external network flag 194 boot device 203 creating a virtual Ethernet adapter for the VIOS 134 in-memory channel 203 MAC address 203 maximum number 206 maximum number of VLANs 206 rebuild 293 transmission speed 203 trunk flag 194 virtual host bridge 93 virtual I/O 4 client 109 Linux 108, 113 considerations 115 server 109 virtual I/O adapters 27, 53 Ethernet 53 SCSI 53 TTY 54 virtual console 53 Virtual I/O Server 20, 24, 53, 90 backup 280 definition 91 during maintenance 201 failover 25 increasing the availability of 182 installation 100 IVM 104 logical volume 100 migration 100 online software update 294 ordering 28 rebuild 289 redundant servers 8 reserve_policy 247 restore 280 RMC 87 software installation 142 software license charge 30 software update 294 storage pools 27 system maintenance 199 using multiple 182 UUID 100 VIO 59 virtual I/O adapters 27 virtual IP address 190 virtual LAN, VLAN 49, 70, 85 AIX support 73 IEEE 802.1Q 74 overview 70 <strong>POWER</strong> Hypervisor 75 PPPoE 75 PVID 75 tagged port 75 untagged port 76 Virtual Management Channel, VMC 105 virtual optical device 25 virtual processor 32, 35, 38, 42–44, 49–50 affinity scheduling 37 folding 36 latency 43 licensing 57, 61 reasonable settings 44 Virtual Router Redundancy Protocol 193 virtual SCSI 49 adapter 95 AIX device configuration 93 client adapter 90 client partition 91 configuration 90 considerations 99 device 90 disk drive 91 dynamic partitioning 95 failover 22 growing disks 22 hosting partition 90 initiator 90, 92 introduction 89 IVM 106–107 Linux 110, 114 logical volume 100 new features in VIO 1.3 21 optical device 95, 107 performance 101 performance considerations 101 protocol 90 queue depth 21 server adapter 90–91 SSA support 99 Index 457
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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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8. Specify the CPU resource policy
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Clicking the OK button will create
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Page 436 and 437: Figure 6-21 Edit Policy File partit
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
Page 450 and 451: The Identity entry is either based
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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
Page 468 and 469: 442 Advanced <stro
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 478 and 479: Micro-Partitioning 3, 32-33 49 capp
Page 480 and 481: processor dispatch 43, 50 processor
Page 484 and 485: target 90, 92 virtual SCSI Server a
Page 488: Back cover Advanced</strong
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