BSnapDiff for ZFS Plugin: Limitations

Bacula Enterprise Only

This solution is only available for Bacula Enterprise. For subscription inquiries, please reach out to sales@baculasystems.com.

The following chapter describes the limitations of BSnapDiff for ZFS Plugin.

Fileset Directive: ExcludeDirContaining

The BSnapDiff Plugin generates a list of file and directory changes in a random order. Sometimes, a file change may appear before one or more of its parent directories. As a result, the ExcludeDirContaining directive cannot be used with the plugin. If this directive is used in a Fileset that includes one or more ZFS volumes with the BSnapDiff Plugin enabled, backups will fail with the following log message:

bsnapdiff: Fileset option ExcludeDirContaining is not currently supported

Fileset Directive: HonorNoDump flag

As stated above, the BSnapDiff Plugin generates a list of file and directory changes in a random order. Because a file may be listed before its parent directory, the HonorNoDump directive cannot be used with the plugin. If a user sets this directive to yes in a Fileset that includes one or more ZFS volumes with the BSnapDiff Plugin enabled, backups will fail with the following log message:

bsnapdiff: Fileset option HonorNodumpFlags=yes is not currently supported