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2. Select the adapter to be moved and the receiving partition, as shown in Figure 5-7. Figure 5-7 Selecting adapter T16 to be moved to partition VIO_Server_SAN1 3. Click OK to execute. 4. Type cfgmgr (cfgdev in the Virtual I/O Server) in the receiving partition to make the adapter and its devices available. 264 <strong>Advanced</strong> <strong>POWER</strong> <strong>Virtualization</strong> on IBM System p5
5. Remember to update the profiles of both partitions for the change to be reflected across restarts of the partitions. Alternatively, use the Save option to save the changes to a new profile. See Figure 5-8. Figure 5-8 Save profile Chapter 5. System management 265
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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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Page 242 and 243: Tip: Mismatching SEA and SEA Failov
Page 244 and 245: Checking which SEA is active Checki
Page 246 and 247: In this scenario, we attach each Vi
Page 248 and 249: 2. Configure the SEA, as described
Page 250 and 251: 5. Check for the vhost adapter usin
Page 252 and 253: 8. Check again, using the lsdev com
Page 254 and 255: Check the mappings, as shown in Exa
Page 256 and 257: 2. Check the MPIO configuration by
Page 258 and 259: To determine which path will use th
Page 260 and 261: 7. On the first LPAR, create an enh
Page 262 and 263: A switch can be forced with the /us
Page 264 and 265: The configurations described in thi
Page 266 and 267: We recommend using mirroring, strip
Page 268 and 269: Supported multi-path configurations
Page 270 and 271: Supported scenarios using one Virtu
Page 272 and 273: Supported scenarios using multiple
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Page 276 and 277: In order to help clients improve th
Page 278 and 279: Clients can find the fixes and file
Page 280 and 281: Figure 4-35 shows the basic conside
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Page 284 and 285: 5.1 Dynamic LPAR operations This se
Page 286 and 287: 5. Figure 5-3 shows you the Virtual
Page 288 and 289: another partition. Use the lsslot -
Page 292 and 293: 5.1.3 Add memory dynamically in AIX
Page 294 and 295: 5.1.4 Removing memory dynamically T
Page 296 and 297: The following command shows the eff
Page 298 and 299: 2. Figure 5-17 shows the current pr
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Page 302 and 303: 1. Use the diagmenu command to unco
Page 304 and 305: 5. Locate the blinking adapter, rep
Page 306 and 307: ► Figure 5-19 shows you the topol
Page 308 and 309: Example 5-4 shows how to back up th
Page 310 and 311: Example 5-6 Creating a Virtual I/O
Page 312 and 313: 5.2.5 Restoring the Virtual I/O Ser
Page 314 and 315: For an AIX 5L NIM server recovery,
Page 316 and 317: To view the System Plan, Select Sys
Page 318 and 319: In Example 5-11, we look to the map
Page 320 and 321: The last information we need is the
Page 322 and 323: In a mirrored environment, issue th
Page 324 and 325: Figure 5-23 shows that the virtual
Page 326 and 327: csm.diagnostics 1.5.0.0 # Cluster S
Page 328 and 329: os.txt.spell 5.3.0.10 # Writer's To
Page 330 and 331: hd3 jfs2 1 2 2 open/syncd /tmp hd1
Page 332 and 333: Adding a PCI hot plug adapter The t
Page 334 and 335: The following is a list of empty SC
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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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Back cover Advanced</strong
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