Red Hat LINUX VIRTUAL SERVER 4.6 - ADMINISTRATION Manuale di Installazione Pagina 273
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Chapter 14. Monitoring and tuning z/VM and Linux 253
2. If you had disconnected, pressing Enter should get you back to the Performance Toolkit
command line. If the virtual machine was logged off, the PROFILE EXEC should run and get
you to the command line; see Figure 14-3. Enter the command MONITOR:
Command ==> monitor
Figure 14-3 Performance Toolkit 3270 Interface Main Menu window
Drilling down into report panels
You should now be able to use the active report panels. To drill down into these, move the
cursor to any of the titles that are active (active titles display the number or letter in white,
inactive titles in green). Some of the more useful report panels to drill down into are:
21. User resource usage
22. User paging load
23. User wait states
28. User configuration
29. Linux systems
33. Benchmark displays
For example, to drill down into the Benchmark submenu panel, enter the following command:
Command ===> 33
Then type S over the period on the left side of the submenu panel in the row corresponding to
the report you want to see.
FCX124 Performance Screen Selection (FL610 ) Perf.
Monitor
General System Data I/O Data History Data (by
Time)
1. CPU load and trans. 11. Channel load 31. Graphics
selection
2. Storage utilization 12. Control units 32. History data
files*
3. Reserved 13. I/O device load* 33. Benchmark
displays*
4. Priv. operations 14. CP owned disks* 34. Correlation
coeff.
5. System counters 15. Cache extend. func.* 35. System summary*
6. CP IUCV services 16. DASD I/O assist 36. Auxiliary
storage
7. SPOOL file display* 17. DASD seek distance* 37. CP
communications*
8. LPAR data 18. I/O prior. queueing* 38. DASD load
9. Shared segments 19. I/O configuration 39. Minidisk cache*
A. Shared data spaces 1A. I/O config. changes 3A. Storage mgmt.
- 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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