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156 z/VM and Linux on IBM System z: The Virtualization Cookbook for Red Hat Enterprise Linux 6.0
9.1 Formatting DASD for minidisks
In 4.6.2, “Formatting DASD for minidisks” on page 53, DASD was formatted to become
minidisks for the cloner and the golden image. The CPFMTXA command can be used to
format one DASD at a time, but the CPFORMAT EXEC is a wrapper around CPFMTXA that
allows the formatting of multiple DASD.
To have access to enough DASDs to define four more user IDs, LINUX01 - LINUX04, with
two 3390-3 volumes each, eight 3390-3s will be needed. In the examples used in this book,
3390-9s are being used, and two thirds of the 63A9 volume is available. So only two more
volumes are needed: 63AA and 63AB. Consult your worksheets in 2.7.2, “z/VM DASD
worksheet” on page 17 to determine how many volumes you need for four new virtual
machines.
To format DASD for minidisks, perform the following steps:
1. Logon to a 3270 session as MAINT.
2. Query the devices that will be used for the remaining Linux user IDs:
==> q 63aa-63ab
DASD 63AA FR63AA , DASD 63AB FR63AB
3. Attach the volumes to MAINT using the * wildcard:
==> att 63aa-63ab *
63AA-63AB ATTACHED TO MAINT
4. Invoke the CPFORMAT command against these volumes using the as perm parameter:
==> cpformat 63aa-63ab as perm
...
DASD status after:
TargetID Tdev OwnerID Odev Dtype Vol-ID Rdev StartLoc Size
MAINT 63AA MAINT 63AA 3390 UM63AA 63AA 0 10017
MAINT 63AB MAINT 63AB 3390 UM63AB 63AB 0 10017
5. Detach the seven volumes from MAINT with the DETACH command:
==> det 63aa-63ab
63AA-63AB DETACHED
6. Attach the newly formatted DASDs to SYSTEM so they can be used for minidisks:
==> att 63aa-63ab system
DASD 63AA ATTACHED TO SYSTEM UM63AA
DASD 63AB ATTACHED TO SYSTEM UM63AB
The volumes will now be available to be used for minidisks in the USER DIRECT file. They will
also be available after the next IPL because their new labels match the pattern specified by
the User_Volume_Include UM* statement in the SYSTEM CONFIG file.
- 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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