Red Hat LINUX VIRTUAL SERVER 4.6 - ADMINISTRATION Manuale di Installazione Pagina 128
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108 z/VM and Linux on IBM System z: The Virtualization Cookbook for Red Hat Enterprise Linux 6.0
OPTION LNKNOPAS APPLMON
MDISK 100 3390 0001 3338 UM6290 MR LNX4VM LNX4VM LNX4VM
MDISK 101 3390 0001 3338 UM6293 MR LNX4VM LNX4VM LNX4VM
MDISK 102 3390 0001 3338 UM6294 MR LNX4VM LNX4VM LNX4VM
*
This Linux user ID will have the minidisks and virtual disks (VDISKs) shown in Table 7-1.
Table 7-1 Minidisks to be defined
6. Go back to the top of the file and search for the USER $ALLOC$ string. Add cylinder 0 of
each of the new volumes to this dummy user ID so they do not show up as gaps in the
USER DISKMAP report file:
====> top
====> /user $alloc$
USER $ALLOC$ NOLOG
MDISK A01 3390 000 001 610RES R
MDISK A02 3390 000 001 UV6283 R
MDISK A03 3390 000 001 UV6284 R
MDISK A04 3390 000 001 UM6289 R
MDISK A05 3390 000 001 UM6290 R
MDISK A06 3390 000 001 UM6293 R
MDISK A07 3390 000 001 UM6294 R
...
====> file
7. Run DISKMAP to check for overlaps and gaps. You should only see only a 501 and a one
cylinder gap:
==> diskmap user
==> x user diskmap
====> 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
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 cloner.
Minidisk or VDISK Description
100 The root file system of the Linux cloner. This system serves as the
administration point for all your Linux virtual servers.
101-102 These are the minidisks that are used to create a logical volume mounted
over /nfs/. This file system is used to make the RHEL 6 installation tree
and the files associated with this book available over NFS.
300-301 These are virtual disk (VDISK) swap spaces that are not defined in the
USER DIRECT file, but defined by calls to the SWAPGEN EXEC in the user’s
PROFILE EXEC so that when the user ID logs on the VDISKs are created.
- Enterprise Linux 6.0 1
- February 2011 3
- First Edition (February 2011) 4
- Contents 5
- Contents v 7
- Contents vii 9
- Trademarks 12
- Chapters and appendixes 13
- Conventions 14
- The team who wrote this book 15
- Special thanks 15
- Comments welcome 16
- Preface xv 17
- Summary of changes 19
- 1.1 What is virtualization 23
- 1.4 Infrastructure design 24
- Planning 27
- 2.1 Bill of materials 28
- 2.2 z/VM conventions 29
- Real address 30
- LPAR identifier 30
- 2.3 Disk planning 31
- 2.4 Memory planning 32
- 2.5 Password planning 32
- 2.6 Planning worksheets 33
- 2.7 Blank worksheets 36
- 2.7.2 z/VM DASD worksheet 37
- Configuring a desktop machine 39
- Figure 3-2 Setting logging 41
- Saving sessions 43
- 3.2 Setting up a VNC client 44
- 3.3 3270 emulators 45
- Figure 4-3 Recovery menu 51
- Running INSTDVD 57
- Figure 4-11 Load window 58
- 4.2 Configuring TCP/IP 61
- 4.6 Adding paging volumes 70
- Using the CPFORMAT EXEC 72
- 4.6.4 Testing the changes 76
- 4.8.2 Testing the changes 83
- 4.9.1 VM security products 84
- clipping the volumes 90
- Servicing z/VM 93
- Chapter 5. Servicing z/VM 75 95
- Chapter 5. Servicing z/VM 77 97
- Chapter 5. Servicing z/VM 79 99
- S9338801 in this example): 100
- Chapter 5. Servicing z/VM 81 101
- Chapter 5. Servicing z/VM 85 105
- Chapter 5. Servicing z/VM 87 107
- 5.4 Applying a PTF 108
- Chapter 5. Servicing z/VM 89 109
- Chapter 5. Servicing z/VM 91 111
- Chapter 5. Servicing z/VM 93 113
- Chapter 5. Servicing z/VM 95 115
- Configuring an NFS/FTP server 117
- 6.4 Enabling the NFS server 120
- 7.1 Installing the cloner 126
- Figure 7-2 NFS setup panel 135
- 7.2 Configuring the cloner 147
- 7.2.8 Configuring SSH keys 153
- 7.2.12 Rebooting the system 155
- 7.2.13 Verifying the changes 155
- Figure 8-4 166
- 8.2.7 Configuring SSH keys 172
- 8.2.10 Rebooting the system 173
- 8.2.11 Verifying the changes 173
- Detaching the source disks 180
- 9.4.3 Using the clone script 185
- 9.6 Reviewing system status 193
- 11.1.2 Testing Apache 202
- 11.1.3 Turning on a firewall 203
- 11.1.6 Apache resources 205
- 11.2.3 Adding an LDAP user 207
- 11.3.4 Adding a Samba user 212
- 11.3.6 Testing your changes 213
- 11.3.7 Configuring printing 215
- 11.4.1 Additional resources 217
- Servicing Linux with Red Hat 219
- Miscellaneous tasks 223
- 13.1 Adding DASD 224
- 13.2 Adding a logical volume 226
- Volume Group - homevg 227
- 13.4 Adding SCSI/FCP disks 233
- 4014402600000000. Change the 235
- 13.5 Rescuing a Linux system 239
- 13.9 The X Window System 251
- Using PuTTY 254
- Using embedded SSH 256
- INIDICATE LOAD 260
- INDICATE QUEUES EXP 261
- Getting help 262
- Determining who is logged on 262
- Determining storage or memory 263
- Determining processors 263
- 14.2.3 Configuring PERFSVM 266
- Using a web browser interface 270
- Using a 3270 interface 272
- 14.3 Monitoring Linux 274
- References 277
- Cheat sheets 278
- A vi cheat sheet 279
- Additional material 281
- Related publications 283
- Online resources 284
- Help from IBM 285
- Hat Enterprise Linux 6.0 293
- Back cover 296
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