Technical data

10.8.1 Copying Files to Disk Volumes ............................... 10–28
10.8.2 Copying Files to Tape Volumes .............................. 10–31
10.8.3 Continuing to Copy at the End of a Tape ....................... 10–33
10.8.4 Using the Exchange Utility (EXCHANGE) ..................... 10–33
10.8.5 Using the EXCHANGE/NETWORK Command . . . ............... 10–33
11 Using BACKUP
11.1 Overview of BACKUP Tasks . . . ................................ 11–2
11.2 Understanding Types of Backups ................................ 11–3
11.3 Formulating a Backup Strategy . ................................ 11–4
11.4 Understanding the Backup Interfaces ............................ 11–5
11.4.1 The BACKUP Command Line ............................... 11–5
11.4.1.1 Using Extended Character Sets ........................... 11–6
11.4.1.2 Specifying Input Files . . ................................ 11–6
11.4.2 The Backup Manager ...................................... 11–6
11.4.2.1 Backup Manager Features ............................... 11–6
11.4.2.2 Getting Started with Backup Manager ..................... 11–7
11.5 Understanding Save Sets ...................................... 11–7
11.5.1 Magnetic Tape Save Sets . . . ................................ 11–7
11.5.2 Files–11 Disk Save Sets .................................... 11–8
11.5.3 Network Save Sets ........................................ 11–8
11.5.4 Sequential-Disk Save Sets . . ................................ 11–9
11.6 Understanding BACKUP File Formats ........................... 11–10
11.7 Setting Process Quotas for Efficient Backups....................... 11–10
11.8 Using Disks and Tapes........................................ 11–13
11.8.1 Understanding Volume Initialization . . . ....................... 11–14
11.8.1.1 When to Initialize Volumes .............................. 11–14
11.8.1.2 Initializing Tapes ...................................... 11–14
11.8.1.3 Initializing Disks ...................................... 11–15
11.8.2 Mounting a Volume ....................................... 11–16
11.8.3 Dismounting a Volume ..................................... 11–17
11.9 Understanding OPCOM and Volumes ............................ 11–18
11.9.1 Requesting Operator Assistance.............................. 11–18
11.10 Listing the Contents of a BACKUP Save Set ....................... 11–19
11.11 Understanding Multivolume BACKUP Operations . . . ............... 11–21
11.11.1 Multivolume Tape Labeling . ................................ 11–21
11.11.2 MOUNT Messages When Backing Up Tapes .................... 11–22
11.12 Understanding BACKUP Tape Label Processing .................... 11–22
11.13 Backing Up Files and Directories................................ 11–24
11.13.1 Copying Files to Other Files ................................ 11–24
11.13.2 Backing Up Files and Directories to a Save Set . . . ............... 11–25
11.13.3 Comparing Files . . ........................................ 11–27
11.13.4 Creating and Listing BACKUP Journal Files ................... 11–28
11.14 Restoring Files and Directories . ................................ 11–29
11.14.1 Accessing Files in Deep Directory Structures.................... 11–31
11.15 Backing Up User Disks ....................................... 11–32
11.15.1 Preparing to Back Up User Disks ............................ 11–32
11.15.2 Performing Image Backups to Tape ........................... 11–33
11.15.3 Performing Image Backups to Disk ........................... 11–34
11.15.4 Performing Incremental Backups to Tape ...................... 11–35
11.15.5 Performing Incremental Backups to Disk ...................... 11–36
11.15.6 Performing Incremental Backups Using PATHWORKS for OpenVMS
Servers . ................................................ 11–38
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