Configuring ON-Bar
Before you begin your first backup, review the default ON-Bar parameters in the onconfig file and adjust the values as needed. You can also set an environment variable.
You can configure the behavior of ON-Bar by setting the following configuration parameters and environment variable.
| Behavior | Configuration parameters |
|---|---|
| Control the number and size of data buffers and the number of parallel processes. | BAR_NB_XPORT_COUNT configuration parameter
BAR_XFER_BUF_SIZE configuration parameter IFX_BAR_NO_LONG_BUFFERS environment variable |
| Set the debugging level and the location of debug log file. | BAR_DEBUG configuration parameter |
| Change the path of the ON-Bar boot file. | BAR_IXBAR_PATH configuration parameter |
| Maintain a history of expired backups. | BAR_HISTORY configuration parameter |
| Change the location and contents of ON-Bar activity log. | BAR_IXBAR_PATH configuration parameter |
| Maintain a history of expired backups. | BAR_ACT_LOG configuration parameter |
| Set automatic retrying of failed back ups or restores. | BAR_RETRY configuration parameter |
| Allow a failed restore to be restarted. | RESTARTABLE_RESTORE configuration parameter |
| Increase backup size estimate sent to the storage manager. | BAR_SIZE_FACTOR configuration parameter |
| Extend the time an RS secondary server waits for a checkpoint during an external backup. | BAR_CKPTSEC_TIMEOUT configuration parameter |
| Configure continuous log backup. | ALARMPROGRAM configuration parameter |
| Filter or transform backed up data with an external program. | BACKUP_FILTER configuration parameter |
| Optimize the deduplication capabilities of storage managers. | IFX_BAR_USE_DEDUP environment variable |
| Disable the ability to replicate, import, or export backup objects among TSM servers. | IFX_TSM_OBJINFO_OFF environment variable |
| Force the use of the sm_versions file. | IFX_BAR_NO_BSA_PROVIDER environment variable |
Do not set the LTAPEDEV configuration parameter to /dev/null or NUL because logical-log backups would be disabled and you can restore only whole-system backups.