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IBM Informix Backup & Recovery Using OnBar

IBM Informix Backup & Recovery Using OnBar. Doug Brown 407-566-5074 Doug.A.Brown@disney.com. 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

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IBM Informix Backup & Recovery Using OnBar

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  1. IBM InformixBackup & Recovery Using OnBar Doug Brown 407-566-5074 Doug.A.Brown@disney.com

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

  4. What is OnBar? IDS OnBar Storage Manager 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 ? ? ? ? ?

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