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Administrator's Reference

DEFINE DISK (Define a Disk)

Use this command to define a client-owned disk that resides in a SAN environment. The disk will be defined to the server in order to be used by a data mover device.

The server will not be able to perform server-free data movement operations for data that resides on disk storage devices unless they are defined to the server with this command.

Privilege Class

To issue this command you must have system privilege or unrestricted storage privilege.

Syntax

>>-DEFine DIsk--node_name--disk_name--SERial--=--number--------->
 
                                .-ONLine--=--Yes-----.
>--+-------------------------+--+--------------------+---------><
   '-WWN--=--world_wide_name-'  '-ONLine--=--+-Yes-+-'
                                             '-No--'
 
 

Parameters

node_name (Required)
Specifies the name of the client node that owns the disk.

disk_name (Required)
Specifies the name of the disk as defined by the owning node's operating system. The maximum length for this name is 64 characters.

SERial (Required)
Specifies the serial number of the disk. The maximum length for the serial number is 64 characters.

WWN
Specifies the Fibre Channel world wide name for the disk. This parameter is optional. If specified the WWN must be 16 characters.

ONLine
Specifies whether the disk can be used. This parameter is optional. The default is YES.

Yes
The disk will be used for data movement operations.

No
The disk will not be used for any data movement operations. You may want to use the UPDATE DISK command to set the disk off-line when the hardware is being maintained.

Examples

Task

Define a disk named HARDDISK4 with a serial number of 100047 and a world wide name of 20020060450d00e2.

Command:
define disk node1 Harddisk4 serial=100047 wwn=20020060450d00e2

Related Commands

Table 64. Commands Related to DEFINE DISK

Command Description
DEFINE DATAMOVER Defines a data mover to the Tivoli Storage Manager server.
DEFINE PATH Defines a path from a source to a destination.
DELETE DISK Deletes a disk.
QUERY DISK Displays information about disks.
UPDATE DISK Changes the attributes of a disk.


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