NSR

The NSR resource describes a Backup server and its clients.Each resource represents a component of a Backup system that needs administration. Resources are manipulated to control a Backup system. The file and the resources in them are accessible through the nwadmin and nsradmin programs, and can be viewed with a text editor.

Each resource is described by a list of attributes. Each attribute consists of a name and optional list of values. The attribute name is separated from an attributes options by a colon (:), attribute values are separated by commas (,), and each attribute ends in a semicolon (;). A comma, semicolon or back-slash (\) at the end of a line continues the line.

Following is an example of a resource, with eight attributes.

          type: NSR client;

          name: venus;

        server: earth;

      schedule: Default;

     directive: Unix standard directives;

         group: Default;

      save set: All;

remote access: ;

Each NSR resource includes the following attributes:

• The type attribute defines the attributes a resource can contain.

• The name attribute specifies the descriptive name of an object that a resource represents.

• The administrator attribute specifies the users that can modify or delete a resource. This attribute is inherited from the type: NSR resource when a new resource is created.

• The hostname attribute specifies the hostname of the system where a service that controls the specified resource is running.

• The remaining attributes (ONC program number, ONC version number, and ONC transport) specify the Open Network Computing information for a service.

  Backup defines the following types of resources:

• The NSR resource describes a Backup server. It contains attributes that control administrator authorization, information about operations in progress, and statistics and error information about past operations.

• The NSR client resource describes a Backup client. It includes attributes that specify the files to save, which schedule to use, and which group this client belongs to.

• The NSR device resource describes a storage device. It includes attributes that specify a particular device name, media type, and name of the currently mounted volume.

• The NSR directive resource describes a directive. Directives control how a client's files are processed as they are being saved.

• The NSR group resource specifies a logical grouping of Backup clients and a backup starting time.

• The NSR jukebox resource describes a jukebox. It includes attributes such as the jukebox model, the first and last slot numbers in the jukebox, and the names of the devices within the jukebox.

• The NSR label resource specifies a template describing a sequence of names to be used when labeling volumes.

• The NSR license resource contains licensing information for each feature currently enabled. It contains various enabler and authorization codes used by Backup to validate licensed capabilities.

• The NSR notification resource specifies an action to be performed when a particular type of Backup event takes place.

• The NSR policy resource is used as part of the index management process. These policies control how long entries remain in a client's on-line file index and when to mark a save set as recyclable.

• The NSR pool resource is used by Backup to determine where volume save sets should reside on based on the characteristics of the save.

• The NSR schedule resource defines a sequence of save levels and an override list. The override list is made up of pairs of levels and dates. The level controls the amount of data saved when a client is backed up.