MINIMUM_DEFERRAL_CACHE_FREE_SPACE_MB option for NetBackup servers
This high water mark for resilient backups specifies the amount of free space to maintain on the disk. Backup jobs waiting to reestablish communications with the primary server pause if they cannot cache metadata. The value is specified in megabytes. The minimum value is zero (0), which means use all available disk space.
Be aware of the relationship between the RESILIENT_BACKUP_JOB_DEFERRAL_CACHE_FILE_PATH and MINIMUM_DEFERRAL_CACHE_FREE_SPACE_MB values. Use RESILIENT_BACKUP_JOB_DEFERRAL_CACHE_FILE_PATH to specify where to write the cache information. Use MINIMUM_DEFERRAL_CACHE_FREE_SPACE_MB to specify how much free disk space to maintain.
Table:
Usage | Description |
|---|---|
Where to use | On NetBackup media servers. |
How to use | Use the nbgetconfig and the nbsetconfig commands to view, add, or change the option. For information about these commands, see the NetBackup Commands Reference Guide. Use the following format: MINIMUM_DEFERRAL_CACHE_FREE_SPACE_MB = number This option should appear only once in the configuration file. The default value for MINIMUM_DEFERRAL_CACHE_FREE_SPACE_MB is 5000 MB. |
Example | On the media server, add the following entry to specify the amount of free space to maintain on the disk: MINIMUM_DEFERRAL_CACHE_FREE_SPACE_MB = 100 |