94 The Virtualization Cookbook for Red Hat Enterprise Linux 5.2
====> all /gap/|/overlap/
-------------------- 4 line(s) not displayed --------------------
0 500 501 GAP
-------------------- 6 line(s) not displayed --------------------
0 0 1 GAP
-------------------- 355 line(s) not displayed --------------------
====> quit
7. When the disk layout is correct, run DIRECTXA to bring the changes online:
==> directxa user
z/VM USER DIRECTORY CREATION PROGRAM - VERSION 5 RELEASE 3.0
EOJ DIRECTORY UPDATED AND ON LINE
You have now defined the user ID that will be both the master Linux image and the controller.
7.1.2 Adding LNXINST to AUTOLOG1’s PROFILE EXEC
The new Linux ID you defined needs access to the VSWITCH. A SET VSWITCH command with
the GRANT parameter can be added to the AUTOLOG1 PROFILE EXEC to do this. Also, an XAUTOLOG
statement can be added if the user ID is automatically logged on at z/VM IPL time.
Link and access the AUTOLOG1 191 disk as read/write and edit the file PROFILE EXEC. Add the
RHEL52 user ID to the sections that grant access to the VSWITCH and that XAUTOLOG the Linux
user IDs:
==> link autolog1 191 1191 mr
==> acc 1191 f
==> x profile exec f // add two lines
/***************************/
/* Autolog1 Profile Exec */
/***************************/
'cp xautolog tcpip' /* start up TCPIP */
'CP XAUTOLOG DTCVSW1' /* start VSWITCH controller 1 */
'CP XAUTOLOG DTCVSW2' /* start VSWITCH controller 2 */
'cp set pf12 ret' /* set the retrieve key */
'cp set mdc stor 0m 128m' /* Limit minidisk cache in CSTOR */
'cp set mdc xstore 0m 0m' /* Disable minidisk cache in XSTOR */
'cp set srm storbuf 300% 250% 200%' /* Overcommit memory */
'cp set signal shutdown 300' /* Allow guests 5 min to shut down */
/* Grant access to VSWITCH for each Linux user */
'cp set vswitch vsw1 grant lnxinst'
/* XAUTOLOG each Linux user that should be started */
'cp xautolog lnxinst'
'cp logoff' /* logoff when done */
====> file
These changes will not take effect until the next IPL, so you must grant this user ID access to
the VSWITCH for this z/VM session. This is done as follows:
==> set vswitch vsw1 grant lnxinst
Command complete
7.1.3 Preparing LNXINST bootstrap files
To IPL a RHEL 5.2 installation system, four bootstrap files must be prepared. Three are
punched to z/VM reader and then IPLed. These three files IPLed are a kernel, a parameter
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