Red Hat LINUX VIRTUAL SERVER 4.6 - ADMINISTRATION Installationshandbuch Seite 269
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Chapter 14. Monitoring and tuning z/VM and Linux 249
Before starting the Performance Toolkit, you may want to increase the size of the DCSS
named MONDCSS. The following steps quadruples the size of MONDCSS to 64 MB:
1. Delete the old MONDCSS with the PURGE NSS command:
==> purge nss name mondcss
NO FILES PURGED
0001 FILE PENDING PURGE
2. Verify that the device addresses 4000-7FFF are free with the QUERY NSS MAP
command:
==> q nss map
FILE FILENAME FILETYPE MINSIZE BEGPAG ENDPAG TYPE CL #USERS PARMREGS VMGROUP
0033 CMS NSS 0000256K 00000 0000D EW A 00007 00-15 NO
00020 00023 EW
00F00 013FF SR
0032 NLSKANJI DCSS N/A 02000 020FF SR A 00000 N/A N/A
0031 NLSUCENG DCSS N/A 02000 020FF SR A 00000 N/A N/A
0030 NLSAMENG DCSS N/A 02000 020FF SR A 00004 N/A N/A
0029 HELPSEG DCSS N/A 00C00 00CFF SR A 00000 N/A N/A
0016 SCEEX DCSS N/A 02100 028FF SR A 00000 N/A N/A
0023 ZCMS NSS 0000256K 00000 0000D EW A 00000 00-15 NO
00020 00023 EW
00F00 013FF SR
0002 GCS NSS 0000256K 00000 0000C EW R 00000 OMITTED YES
00400 0044E SR
0044F 0044F SW
00450 005FF SN
01000 0101A SR
0101B 011FF SN
0018 PERFOUT DCSS N/A 08A00 08FFF SN A 00000 N/A N/A
0017 SCEE DCSS N/A 00900 009FF SR A 00000 N/A N/A
0014 CMSDOS DCSS-M N/A 00B00 00B0C SR A 00000 N/A N/A
0013 CMSBAM DCSS-M N/A 00B0D 00B37 SR A 00000 N/A N/A
0012 DOSBAM DCSS-S N/A 00B00 00B37 -- A 00000 N/A N/A
0010 GUICSLIB DCSS N/A 01F00 01FFF SR A 00000 N/A N/A
0009 CMSFILES DCSS N/A 01900 01BFF SR A 00003 N/A N/A
0008 SVM DCSS N/A 01900 019FF SR A 00000 N/A N/A
0007 CMSPIPES DCSS N/A 01800 018FF SR A 00011 N/A N/A
0006 CMSVMLIB DCSS N/A 01700 017FF SR A 00011 N/A N/A
0005 INSTSEG DCSS N/A 01400 016FF SR A 00011 N/A N/A
0003 DOSINST DCSS N/A 00900 0090F SR A 00000 N/A N/A
3. Redefine the DCSS to a larger size with the following DEFSEG and SAVESEG
commands:
==> defseg mondcss 4000-7fff sc rstd
HCPNSD440I Saved segment MONDCSS was successfully defined in fileid 0034.
==> saveseg mondcss
HCPNSS440I Saved segment MONDCSS was successfully saved in fileid 0034.
4. Verify that the new DCSS was created:
==> q nss name mondcss map
FILE FILENAME FILETYPE MINSIZE BEGPAG ENDPAG TYPE CL #USERS PARMREGS VMGROUP
0034 MONDCSS CPDCSS N/A 04000 07FFF SC R 00000 N/A N/A
You should now be ready to run the Performance Toolkit.
- 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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