1. IBM Informix Backup & Recovery Using OnBar
Doug Brown

2. Objectives Discuss OnTape vs. OnBar What is OnBar?
OnBar Backup & Restore Options
What’s Backed Up (And Not)
OnBar Configuration Parameters
Tuning OnBar Backups
External OnBar Restores
Storage Manager Integration

3. OnTape vs. OnBar OnTape OnBar Reliable Backup Simple Operation
Easy Configuration
Simple Tape Rotation
OnBar
Parallel Backup/Restore
Reduced Backup Window
Faster Recovery
Storage Manager Integration

4. What is OnBar? IDS OnBar Storage Manager DB Spaces Media Devices
Archive
XBSA
API
API
DB Spaces
Media Devices
Sysutils DB

5. OnBar Backup Options Whole System DB Space Backup
Full/Incremental (Level 1,2)
Fake Backup

6. OnBar Restore Options Cold Restore Warm Restore Physical Restore
Logical Restore
Point-in-Time Restore

7. What’s Backed Up (And Not)
OnBar Backup includes:
DB Space
Logical Log
Blobspace
Additional Files Required to Restore
ONCONFIG
ixbar.servernum
oncfg_servername.servernum
sm_versions
sqlhosts file
services file

8. OnBar Configuration Parameters
BAR_BSALIB_PATH XBSA library path
BAR_ACT_LOG OnBar activity log
BAR_MAX_BACKUP Max # of process / onbar command
BAR_RETRY Number of retries on failed attempt
BAR_NB_XPORT_COUNT # of shared-memory data buffers
BAR_XFER_BUF_SIZE Buffer size uses to exchange data with onbar_d process
LTAPEDEV Logical log tape device
LBU_PRESERVE Logical log block for onbar process
ALARMPROGRAM Script execute when logical log fills
RESTARTABLE_RESTORE Option to allow restore restart

9. Tuning OnBar Backups Physical Database Configuration
Backup Parallelism
Thread Manipulation
Tape Drive Utilization
Transfer Data Buffers

10. External OnBar Restores
Configure Informix Environment
Copy ONCONFIG File
Add SQLHOSTS Entry
Services Entry (etc/services)
Copy ONBar Backup Files
ixbar.servernum
oncfg_servername.servernum
Point to Storage Manager
Execute Restore Command

11. Storage Manager Integration
Informix Storage Manager (ISM)
Veritas Net Backup
HP OmniBack
Other Third Party Vendors

12. Questions & Answers ? ? ? ? ?