Red Hat ENTERPRISE LINUX 5 - VIRTUAL SERVER ADMINISTRATION, Руководство по установке

Страница: 9 / 388

ix
22.3.2. Creating a Multipath Device With
mdadm
............................................... 236
22.4. Configuring IPL from a SCSI Device ................................................................ 237
22.4.1. IPL the SCSI Disk ................................................................................ 238
22.5. Adding DASD ................................................................................................. 238
22.6. Adding a Network Device ................................................................................ 242
22.6.1. Adding a
qeth
Device ......................................................................... 243
22.6.2. Quick Reference for Adding Network Devices ........................................ 246
22.7. Kernel-Related Information .............................................................................. 250
IV. Common Tasks 251
23. Updating Your System 253
23.1. Driver update rpm packages ........................................................................... 253
24. Upgrading Your Current System 257
24.1. Determining Whether to Upgrade or Re-Install .................................................. 257
24.2. Upgrading Your System .................................................................................. 258
25. Activate Your Subscription 261
25.1. RHN Registration ............................................................................................ 261
25.1.1. Provide a Red Hat Login ...................................................................... 261
25.1.2. Provide Your Installation Number .......................................................... 261
25.1.3. Connect Your System ........................................................................... 261
26. An Introduction to Disk Partitions 263
26.1. Hard Disk Basic Concepts ............................................................................... 263
26.1.1. It is Not What You Write, it is How You Write It ....................................... 263
26.1.2. Partitions: Turning One Drive Into Many ................................................ 265
26.1.3. Partitions within Partitions — An Overview of Extended Partitions ............ 267
26.1.4. Making Room For Red Hat Enterprise Linux .......................................... 267
26.1.5. Partition Naming Scheme ..................................................................... 271
26.1.6. Disk Partitions and Other Operating Systems ......................................... 272
26.1.7. Disk Partitions and Mount Points .......................................................... 272
26.1.8. How Many Partitions? .......................................................................... 273
V. Basic System Recovery 275
27. Basic System Recovery 277
27.1. Common Problems ......................................................................................... 277
27.1.1. Unable to Boot into Red Hat Enterprise Linux ........................................ 277
27.1.2. Hardware/Software Problems ................................................................ 277
27.1.3. Root Password .................................................................................... 277
27.2. Booting into Rescue Mode .............................................................................. 277
27.2.1. Reinstalling the Boot Loader ................................................................. 280
27.3. Booting into Single-User Mode ........................................................................ 280
27.4. Booting into Emergency Mode ......................................................................... 281
28. Rescue Mode on POWER Systems 283
28.1. Special Considerations for Accessing the SCSI Utilities from Rescue Mode ......... 283
VI. Advanced Installation and Deployment 285
29. Disk Encryption Guide 287
29.1. What is block device encryption? .................................................................... 287