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

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Note: Based on the lsdev -vpd command, the mappings exactly correspond to the slot numbering we intended (refer to Figure 3-26 on page 146). For example, the vhost0 device is slot number 20 (U9111.520.10DDEEC-V1-C20) on the Virtual I/O Server, which is then being shared to the NIM_server partition. The NIM_server partition has its virtual SCSI device slot set to 20. This is for easy association between virtual SCSI devices on the server and client side. 4. Use the lsmap command to ensure that all logical connections between newly created devices are correct, as shown in Example 3-13. Example 3-13 Checking mappings $ lsmap -all SVSA Physloc Client Partition ID --------------- -------------------------------------------- ------------------ vhost0 U9113.550.105E9DE-V1-C4 0x00000000 VTD LUN Backing device Physloc vcd 0x8100000000000000 cd0 U787B.001.DNW108F-P4-D2 SVSA Physloc Client Partition ID --------------- -------------------------------------------- ------------------ vhost1 U9113.550.105E9DE-V1-C20 0x00000000 VTD LUN Backing device Physloc nim 0x8100000000000000 rootvg_nim SVSA Physloc Client Partition ID --------------- -------------------------------------------- ------------------ vhost2 U9113.550.105E9DE-V1-C30 0x00000000 VTD LUN vdbsrv 0x8100000000000000 166 <strong>Advanced</strong> <strong>POWER</strong> <strong>Virtualization</strong> on IBM System p5
Backing device Physloc rootvg_dbsrv SVSA Physloc Client Partition ID --------------- -------------------------------------------- ------------------ vhost3 U9113.550.105E9DE-V1-C40 0x00000000 VTD LUN Backing device Physloc vapps 0x8100000000000000 rootvg_apps SVSA Physloc Client Partition ID --------------- -------------------------------------------- ------------------ vhost4 U9113.550.105E9DE-V1-C50 0x00000000 VTD LUN Backing device Physloc vlnx 0x8100000000000000 rootvg_lnx Tip: The same concept applies when creating virtual disks that are going to be used as data volume groups. Using whole disks SAN disks can be assigned to the Virtual I/O Server in sizes appropriate for the clients to be mapped as whole disks. Note: When whole disks are going to be mapped, they cannot belong to a volume group. These are the steps to map whole disks in the same way as in the previous section. Chapter 3. Setting up the Virtual I/O Server: the basics 167
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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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Page 144 and 145: 3.1 Getting started This section pr
Page 146 and 147: lspath mkpath mkvdev mkvt rmdev rmp
Page 148 and 149: 3.1.2 Hardware resources managed Th
Page 150 and 151: 3.2 Creating a Virtual I/O Server p
Page 152 and 153: 3. Enter the partition name and ID
Page 154 and 155: 5. You have the option to change th
Page 156 and 157: 7. Select the Shared check box for
Page 158 and 159: 9. Specify the processing sharing m
Page 160 and 161: 11.Skip setting the I/O pools, as s
Page 162 and 163: 2. Click the Create adapter button
Page 164 and 165: 5. Add a virtual SCSI adapter to vi
Page 166 and 167: 7. Select Normal for your boot mode
Page 168 and 169: A few seconds after the status wind
Page 170 and 171: 3. Select the VIO_Server1 profile a
Page 172 and 173: You are now ready to use the newly
Page 174 and 175: 3. Specify the Maximum virtual adap
Page 176 and 177: You can use the lsmap -all -net com
Page 178 and 179: 2. Select the check box AIX or Linu
Page 180 and 181: 2. Click Create client adapter. The
Page 182 and 183: 4. Click Create server adapter and
Page 184 and 185: 6. When the operation is complete,
Page 186 and 187: 9. When you have completed adding v
Page 188 and 189: Server SCSI adapters have been adde
Page 190 and 191: Using logical partitions In our bas
Page 194 and 195: It is useful to be able to map the
Page 196 and 197: Assuming that a NIM master is confi
Page 198 and 199: 3. Set up the NIM master IP address
Page 200 and 201: 3.4.6 Mirroring the Virtual I/O Ser
Page 202 and 203: Once the interaction between virtua
Page 204 and 205: Figure 3-45 shows the steps to crea
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Page 208 and 209: 4.1 Providing higher serviceability
Page 210 and 211: Figure 4-1 MPIO and LV Mirroring wi
Page 212 and 213: Some advanced topics with respect t
Page 214 and 215: While EC is an Cisco-specific imple
Page 216 and 217: Alternatives for network high avail
Page 218 and 219: Figure 4-6 IP multipathing in the c
Page 220 and 221: SEA Failover works as follows: Two
Page 222 and 223: Although the alternative configurat
Page 224 and 225: ► With NIB, the two internal netw
Page 226 and 227: In Figure 4-11 on page 201, a clien
Page 228 and 229: When Virtual I/O Server 2 returns t
Page 230 and 231: few cycles to set up, but none for
Page 232 and 233: 4.1.7 Considerations The following
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Page 236 and 237: 7. Check the devices list on your V
Page 238 and 239: Figure 4-17 shows the intended solu
Page 240 and 241: . 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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. From the Web-based System Manager
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2. Click the Groups tab, and then t
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Figure 6-21 Edit Policy File partit
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The policy_file and log_file parame
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In its short form, the xlplm -Q com
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6.3 Point-in-time and recurring rec
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Select the type of operation you wi
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6.4 Tips and troubleshooting PLM Th
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Note: Exchanging keys is an importa
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The Identity entry is either based
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120200c10d3ad7a20951523b7c01bd31f42
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► ► PLM does not directly state
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6.6 Resource management Owners of I
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Characteristics of WLM, PLM, and sh
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Evaluating CPU utilization Traditio
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Shared-processor partitions support
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438 Advanced <stro
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FDX FLOP FRU FTP GDPS GID GPFS GUI
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442 Advanced <stro
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Other publications These publicatio
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► ► ► ► Virtual I/O Server
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cfgdev command 163, 203, 264 cfgmgr
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excess weight, PLM 376 extendlv com
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Micro-Partitioning 3, 32-33 49 capp
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processor dispatch 43, 50 processor
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VIO 59 virtual processor 61 mainten
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target 90, 92 virtual SCSI Server a
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