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Operation using SQL Server transaction logs
Backing up an SQL Server database entails either backing up all databases, or backing up transaction
log files.
When formulating a plan for backing up an SQL Server database, if the database is fairly large so
that the time required to perform backup is significant, or if the database is updated regularly, HP
recommends a combination of database backup and transaction log backup.
There are several precautions to keep in mind when backing up transaction logs. For details, see
“Precautions regarding backup of transaction logs” on page 284, “Precautions regarding sequences
of transaction logs” on page 285, or “Precautions regarding application of transaction logs” on page 287.
System configuration
The examples in this section assume the system configuration shown in the following figure.
Figure 90 System configuration for operations using the SQL Server transaction log
Application Agent allows you to use a cluster configuration for database servers. If a failover cluster
configuration is used for the database servers, the active server can be switched to the standby server
when a failure occurs on the active server.
The examples in this section assume the following conditions:
• The primary volume is NTFS-formatted.
Application Agent CLI User Guide 313
- Part number: TB584-96094 1
- Tenth edition: January 2014 1
- DescriptionEditionVersionDate 2
- Contents 3
- Preface26 26
- Application Agent features 27
- Application Agent functions 28
- Restoring data 29
- Cluster support 30
- Managing generations 32
- Journal 38
- Cascade configurations 49
- Multi-target configurations 50
- Allocating metafiles 55
- Using a cluster configuration 58
- CCR configurations 58
- SCR configurations 61
- DAG configurations 62
- Using VSS 70
- 30 minutes5100 GB 73
- • CPU: 3.0 GHz x 2 73
- • Memory: 4 GB 73
- • Storage system: HP P9500 73
- NNAA--I*.stm 74
- Cascade configuration 76
- CCR configuration 77
- SCR configuration 78
- DAG configuration 78
- Expanding dynamic volumes 94
- Setting up RAID Manager 100
- Specifying instance numbers 115
- Specifiable val 121
- (default) 121
- DescriptionParameter 121
- Creating dictionary map files 130
- Cluster Groups) 138
- PROMPT> drmclusinit VCS 139
- PROMPT> drmtapeinit 156
- Configuration parameters 157
- Configuration file examples 160
- Creating a list file 162
- File name of the list file 163
- List file storage location 163
- Contents of the list file 163
- (absolute path) 165
- Prerequisite VBScript version 184
- Deletion of unnecessary files 184
- Creating operation IDs 187
- D:VServer_CFSCG_1 190
- M:,N:VServer_CFSCG_1 190
- BACKUP_OBJECT 198
- STORAGE_1VServer_CEXGCG_1 200
- Creating a user script 204
- Entries in user scripts 205
- Omission 206
- Multiple 206
- Script environment variables 211
- Command execution permission 211
- Examples of user script usage 213
- Application Agent commands 223
- Basic commands 224
- Precautions on operations 227
- Precautions on backup 229
- Precautions on restoration 231
- Precautions when mounting 232
- Command execution conditions 233
- Windows 245
- 5 Operation for file systems 247
- System configuration 248
- Processing flow 249
- Operation for file systems250 250
- Operation for file systems252 252
- Flow of processing 253
- Operation for file systems254 254
- Resynchronizing copy groups 255
- Backing up a file system 255
- Backup using VSS 257
- Operation for file systems258 258
- User script example 262
- ExplanationScript text 263
- Backup execution example 265
- Operation for file systems266 266
- Operations at the local site 268
- Operations at the remote site 269
- Operation for file systems276 276
- Deleting backup data 277
- Operation for file systems278 278
- Service status 288
- Database status 289
- Database type 292
- DBServer > 297
- -copy_size 7 303
- -mount_pt E: 305
- Backing up transaction logs 316
- BKServer > 324
- Locking a copy group 326
- Unlocking a copy group 328
- Operation at the local site 331
- Operation at the remote site 332
- -password password 341
- PROMPT> osql -E 355
- 2> go 355
- Outline of user script files 359
- Sample user script files 360
- DescriptionScript code 362
- PROMPT> 373
- \original-ID_database-ID.dmp 379
- DBServer > del X:\*.dmp 381
- \Operation_A\DB X:\ 381
- Operation flow 383
- Operation example 384
- Back up the databases 392
- Restore the databases 394
- Perform database recovery 395
- Prepare to restart operations 395
- Cold backup 417
- Online backup 418
- SG1\IS12 428
- BKServer A > drmtapecat 444
- BKServer A > 444
- BKServer B > 462
- BKServer B > drmtapecat 467
- System Configuration 494
- Disk P1, Disk P3 495
- Disk P2, Disk P4 495
- 8 Troubleshooting 513
- OS log information 514
- Application Agent information 515
- RAID Manager information 517
- Other information 518
- Operation details 518
- ExplanationItem 520
- Adjusting trace log settings 521
- Investigating collected data 521
- Troubleshooting522 522
- Troubleshooting526 526
- Troubleshooting530 530
- 9 Support and other resources 531
- Conventions 532
- Server configuration 536
- Storage system configuration 537
- (C:\Windows\horcm1.conf) 539
- (C:\Windows\horcm2.conf) 539
- (DEFAULT.dat) 542
- VG03,VOL31 548
- VG03,VOL32 548
- VG03,VOL33 548
- VG03,VOL34 548
- Application Agent is running 555
- GUI terms 563
- Glossary 565
- Glossary566 566
- Glossary568 568
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