Createnewbase
The createnewbase option creates a base snapshot and uses it as a source to run a full incremental backup.
Some files might not be backed up when the snapshot difference incremental backup command is run. If the files are skipped, you can run a snapshot difference incremental backup with the createnewbase option to back up these files. See Snapdiff for a list of reasons why a file might not be backed up when the snapshot difference command is run.
One reason that a file can be skipped during backup processing is because the file name is not supported by NetApp Data ONTAP. NetApp Data ONTAP Versions 8.0 and versions lower than 7.3.3 only support file names that are within the 7 bit ASCII character set. NetApp Data ONTAP Version 7.3.3 and versions greater than 8.0.0 support Unicode file names. If you upgraded NetApp Data ONTAP from a version that does not support Unicode file names to a version that does support Unicode files names, run a full incremental backup with the createnewbase=migrate option.
Supported Clients
- All Windows clients
- Linux® x86_64 clients
Syntax
Parameters
- No
- Specifies that a snapshot difference incremental is run. If the backup-archive client detects that the NetApp Data ONTAP file server has been migrated from a version that does not support Unicode file names to a file server that does, a warning message is recorded to the error log and the IBM Spectrum® Protect server activity log. The warning message indicates that you must run a full incremental backup and logs a return code of 8 even if the operation completed successfully.
- Yes
- Specifies that a full incremental is run by creating a new base snapshot and is using it to run a scan-based incremental backup. Use this option to back up any file changes that might not have been detected by the snapshot difference API.
- IGNore
- Specifies that a snapshot difference incremental backup is run when the backup-archive client detects that the NetApp Data ONTAP file server was upgraded to support Unicode file names.
- MIGRate
- Specifies that if the NetApp Data ONTAP file server was upgraded to a version that supports Unicode file names, a base snapshot is taken and a scan-based incremental backup is run. The migrate option is different from the yes option because the migrate option creates a base snapshot only when the client detects that the NetApp Data ONTAP file server version was updated. The yes option creates a base snapshot every time the command is run.
Examples
- Command line:
dsmc incremental -snapdiff -createnewbase=yes /net/home1