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206 z/VM and Linux on IBM System z: The Virtualization Cookbook for Red Hat Enterprise Linux 6.0
0.0.0101 use_diag=0 readonly=0 erplog=0 failfast=0
0.0.0100 use_diag=0 readonly=0 erplog=0 failfast=0
0.0.0102
0.0.0103
6. Verify the new minidisks are activated by using the lsdasd command:
# lsdasd
Bus-ID Status Name Device Type BlkSz Size Blocks
==============================================================================
Bus-ID Status Name Device Type BlkSz Size Blocks
==============================================================================
0.0.0100 active dasda 94:0 ECKD 4096 2347MB 600840
0.0.0101 active dasdb 94:4 ECKD 4096 2347MB 600840
0.0.0300 active dasdc 94:8 FBA 512 256MB 524288
0.0.0301 active dasdd 94:12 FBA 512 512MB 1048576
0.0.0102 active dasde 94:16 ECKD 4096 1173MB 300420
0.0.0103 active dasdf 94:20 ECKD 4096 1173MB 300420
If you are creating a new logical volume, go to 13.2.1, “Creating a logical volume and file
system” on page 206. If you are extending an existing logical volume, go to 13.3, “Extending
an existing logical volume” on page 211.
13.2 Adding a logical volume
There are times when you require more disk space than a single direct access storage device
(DASD) volume provides. For example, if you want to have a shared /home/ directory, you
want it to be of sufficient size. When this is the case, you can use the Logical Volume
Manager (LVM) to combine multiple DASD volumes into one logical volume.
The following process describes how to create a logical volume with additional DASD on a
Linux guest. The overall steps in adding a logical volume are:
“Adding DASD” on page 204
“Creating a logical volume and file system” on page 206
“Updating the file system table” on page 209
13.2.1 Creating a logical volume and file system
The overall steps involved in creating a logical volume are:
Create physical volumes from the two partitions
Create a single volume group
Create a single logical volume
Make a file system from the logical volume
- 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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