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Save set staging is a process of moving data from one storage medium to another
and removing the data from its original location. If the data was on a fi le device
type, the space is reclaimed so that the disk space can be used for other purposes.
Use save set staging to move save sets that you have backed up, archived, or
migrated. Staging is especially recommended for save sets that you backed up to a
file device type to move the data to more permanent storage, such as an optical or
tape volume.
You can configure policies in the Staging resource to have Backup perform automatic
staging once criteria you set is reached. Or you can use the nsrstageprogram to
perform staging manually.
When you issue the nsrstagecommand, Backup creates a clone of the save set you
specify on a clone volume of the medium you specify. If you stored the save set on a
file device type, Backup deletes the save set from its original location to free the
space the save set occupied. Backup tracks the location of the save set in the media
database. The retention policy for the save set does not change when the data is
staged.
To stage a save set using the command line, enter the nsrstagecommand at the
shell prompt. For example, to stage an individual save set, enter the following
command:
# nsrstage -sserver-bpool-m -Ssave-set-ID
Refer to the nsrstage(1m)man page for the syntax and options for the nsrstage
program.
To set or change staging polices, use the nsradmincommand, or use the Customize
resource in the nwadminGUI. Refer to the online help for more details about the
Stage resource.
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