The Virtualization Cookbook for SLES 10 SP2 - z/VM - IBM

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► View your order with the swapon -s command: # swapon -s Filename Type Size Used Priority /dev/dasda2 partition 524296 0 -1 /dev/dasdb1 partition 262132 0 -2 /dev/dasdc1 partition 524276 0 -3 This shows that the minidisk swap space will be used before the VDISK. As VDISKs are in-memory, they should be first in the priority, from smallest to largest. ► Make a backup of the /etc/fstab file: # cd /etc # cp fstab fstab.orig ► Modify the order by moving the line in /etc/fstab. with the minidisk swap space below the lines with VDISK swap spaces: # vi fstab ... /dev/disk/by-path/ccw-0.0.0300-part1 swap swap defaults 0 0 /dev/disk/by-path/ccw-0.0.0301-part1 swap swap defaults 0 0 /dev/disk/by-path/ccw-0.0.0100-part2 swap swap defaults 0 0 ... After a reboot, the minidisk swap space should come back with the lowest priority. 7.2.11 Setting the system to logoff when Linux is shut down When Linux is shut down, the default is for the virtual machine to remain logged on even though it is not running an operating system. It is more convenient for the user ID to be logged off, both at z/VM SHUTDOWN time and for getting a refreshed 3270 emulator session. To do this, perform the following steps: ► Edit the file /etc/rc.d/rc.local and add two lines at the end as follows: # cd /etc/rc.d # vi rc.local #!/bin/sh # # This script will be executed *after* all the other init scripts. # You can put your own initialization stuff in here if you don't # want to do the full Sys V style init stuff. touch /var/lock/subsys/local chshut halt vmcmd logoff chshut poff vmcmd logoff The z/VM user ID should now be logged off when you halt or power off Linux. 7.2.12 Rebooting the system You should now reboot the system to test the changes: # reboot Broadcast message from root@gpok223.endicott.ibm.com (/dev/pts/0) at 7:27 ... The system is going down for reboot NOW! After your system comes back in a couple of minutes, start a new SSH session to the cloner. 126 The Virtualization Cookbook for RHEL 6
7.2.13 Verifying the changes You are now done customizing the Linux cloner. SSH back into the cloner and check a few settings. Test the vmcp command with a CP command such as QUERY NAMES: # vmcp q n FTPSERVE - DSC , DTCVSW2 - DSC , DTCVSW1 - DSC , VMSERVR - DSC VMSERVU - DSC , VMSERVS - DSC , TCPIP - DSC , OPERSYMP - DSC DISKACNT - DSC , EREP - DSC , OPERATOR - DSC , RH55GOLD - DSC RH6CLONE - DSC VSM - TCPIP Confirm that three swap spaces are operational and that the minidisk swap space is last in the priority: # swapon -s Filename Type Size Used Priority /dev/dasdb1 partition 262132 0 -1 /dev/dasdc1 partition 524276 0 -2 /dev/dasda2 partition 524296 0 -3 Verify the NFS server is running: # service nfs status rpc.mountd (pid 6776) is running... nfsd (pid 6770 6769 6768 6767 6766 6765 6764 6763) is running... rpc.rquotad (pid 6748) is running... Chapter 7. Installing RHEL 6 on the cloner 127
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z/VM and Linux on IBM System z: The
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4.1.3 Copying a vanilla z/VM system
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8.2.4 Configuring the VNC server .
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14.4 Viewing Linux data in the Perf
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► Chapter 9, “Configuring RHEL
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Sue Baloga, Bill Bitner, Carol Ever
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z/VM 6.1 z/VM 6.1, available in Oct
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► Shared read-only Linux /usr/ fi
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6 The Virtualization Cookbook for R
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- DASD: 27 3390-3s or 9 3390-9s at
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2.2.2 Backup file naming convention
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One rule that can be recommended is
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2.6.2 z/VM DASD used in this book T
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2.7 Blank worksheets Blank copies o
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2.7.3 Linux resources worksheet Use
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Figure 3-1 PuTTY Configuration wind
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9. You may choose a larger screen s
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Click the Download and Use button.
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26 The Virtualization Cookbook for
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4.1 Installing z/VM from DVD or FTP
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Figure 4-2 Choosing two files to be
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► The LPAR that z/VM will be inst
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c. You should see the Disruptive Ta
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► You may need to clear the scree
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Figure 4-11 Load window ► When yo
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==> Press Enter at the VM READ prom
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Figure 4-14 IPWIZARD screen 2 ► A
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One default setting that can be dan
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Pay attention to the output. If you
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==> rename profile tcpip d poksnd61
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You should see that the VSWITCH VSW
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6285-6287 ATTACHED TO MAINT ► Use
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CP_Owned Slot 6 UP6285 CP_Owned Slo
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==> x user direct c ====> bottom ==
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4.7.2 Logging and customizing the n
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4.7.5 Copying files associated with
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4.8.2 Testing the changes To test y
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HCPDIR494I User directory occupies
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==> link * cf1 cf1 mr ==> acc cf1 f
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... ==> link $page$ a03 a03 mr ==>
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When SERVICE is successfully comple
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5.1.2 Downloading the service files
Page 88 and 89: ==> deterse s8873950 shiprsu1 f = s
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Page 92 and 93: APAR Component Description VM64774
Page 94 and 95: Figure 5-4 Downloading service for
Page 96 and 97: 5.2.3 Verifying the zEnterprise 196
Page 98 and 99: 5.4.1 Getting service using ShopzSe
Page 100 and 101: Figure 5-7 Getting fixes from Shopz
Page 102 and 103: ► Use the SERVICE ALL command spe
Page 104 and 105: 92 The Virtualization Cookbook for
Page 106 and 107: 6.1 Installing Linux on the PC If y
Page 108 and 109: 6.3.3 Copying the DVD contents Copy
Page 110 and 111: 6.5 Configuring an FTP server for z
Page 112 and 113: 6.5.3 Testing the anonymous FTP ser
Page 114 and 115: ==> copy user direct c = direwrks =
Page 116 and 117: ► Go back to the top of the file
Page 118 and 119: 8016384 bytes sent in 00:01 (6.01 M
Page 120 and 121: LOGON AT 07:41:38 EDT WEDNESDAY 09/
Page 122 and 123: Figure 7-1 Initial screen of instal
Page 124 and 125: Figure 7-4 Splash screen and device
Page 126 and 127: ► On the next screen the host nam
Page 128 and 129: ► On the Add Partition screen, cr
Page 130 and 131: Figure 7-12 Creating a volume group
Page 132 and 133: # mount 9.60.18.240:/nfs/rhel6/dvd1
Page 134 and 135: # chkconfig --list | grep 3:on abrt
Page 136 and 137: ► Edit /etc/init/control-alt-dele
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Page 148 and 149: ► Click Create and on the resulti
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Page 152 and 153: ► Import the RPM GPG key so that
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Page 158 and 159: DASD 63AA FR63AA , DASD 63AB FR63AB
Page 160 and 161: There are many ways to clone Linux
Page 162 and 163: 0.0.0100 active dasda 94:0 ECKD 409
Page 164 and 165: Initializing cgroup subsys cpuset I
Page 166 and 167: 4 If you specified a value for 3 ab
Page 168 and 169: Then the SSH keys are regenerated i
Page 170 and 171: USER $ALLOC$ NOLOG MDISK A01 3390 0
Page 172 and 173: ► Verify that the new user IDs ha
Page 176 and 177: # cd /nfs # mkdir ks # cd ks ► Co
Page 178 and 179: RUNKS=1 cmdline ====> file ► Next
Page 182 and 183: 11.1.2 Testing Apache apr-util-ldap
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gidNumber: 10000 homeDirectory: /ho
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This change will create an SMB shar
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Figure 11-2 Mapping a network drive
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Dependency Installed: apr.s390x 0:1
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discarded, and later when all is te
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► Add minidisk statements to defi
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13.2 Adding a logical volume There
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In this example, there are 586 free
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# reboot Broadcast message from roo
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old desc_blocks = 1, new_desc_block
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card_version hardware_version peer_
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# ls access_denied in_recovery stat
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==> #cp vi vmsg 0 1 In single user
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Note: if the rescue image cannot fi
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-/+ buffers/cache: 98 654 Swap: 761
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idle The current idle percentage Th
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200+0 records out 209715200 bytes (
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► Rerun the same scp commands: #
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Figure 13-2 Manual setting of DISPL
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Using embedded SSH It is also possi
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14.1.1 Using the INDICATE command z
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list. Normal virtual processors in
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► The Program Directory for Perfo
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a. Use the VMLINK command to both l
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14.2.4 Increasing the size of the M
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Figure 14-1 Performance Toolkit log
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Figure 14-3 Performance Toolkit 327
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14.4 Viewing Linux data in the Perf
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A.2 Online resources These Web site
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1. Input mode - the Insert key, i,
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B.2 z/VM REXX EXECs and XEDIT macro
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parse upper var dasds dasd dasds da
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eturn retVal /* from formatOne */ /
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'command c/USER 6VMRSC10 6VMRSC10/U
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B.3 Linux code end /* else */ This
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# If there are still command line a
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cp_cmd LINK $source_id $source_mdis
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3) # user ID does not exist echo "$
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[ $? -ne 0 ] && echo "Error: timed
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shift fi # If no command line optio
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