IBM Tivoli Storage Manager, Version 7.1

DEFINE COLLOCGROUP (Define a collocation group)

Use this command to define a collocation group. A collocation group is a group of nodes or file spaces on a node whose data is collocated on a minimal number of sequential access volumes. Their data is collocated only if the storage pool definition is set to collocate by group (COLLOCATE=GROUP).

Privilege class

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

Syntax


>>-DEFine COLLOCGroup--group_name------------------------------->

>--+-----------------------------+-----------------------------><
   '-DESCription--=--description-'

Parameters

group_name: Specifies the name of the collocation group name that you want to create. The maximum length of the name is 30 characters.
DESCription: Specifies a description of the collocation group. This parameter is optional. The maximum length of the description is 255 characters. Enclose the description in quotation marks if it contains any blank characters.

Define a collocation group

To define a node or file space collocation group named GROUP1, issue the following command:

define collocgroup group1

Related commands

Table 1. Commands related to DEFINE COLLOCGROUP
Command	Description
DEFINE COLLOCMEMBER	Adds a client node or file space to a collocation group.
DEFINE STGPOOL	Defines a storage pool as a named collection of server storage media.
DELETE COLLOCGROUP	Deletes a collocation group.
DELETE COLLOCMEMBER	Deletes a client node or file space from a collocation group.
MOVE NODEDATA	Moves data for one or more nodes, or a single node with selected file spaces.
QUERY COLLOCGROUP	Displays information about collocation groups.
QUERY NODE	Displays partial or complete information about one or more clients.
QUERY NODEDATA	Displays information about the location and size of data for a client node.
QUERY STGPOOL	Displays information about storage pools.
REMOVE NODE	Removes a client from the list of registered nodes for a specific policy domain.
UPDATE COLLOCGROUP	Updates the description of a collocation group.
UPDATE STGPOOL	Changes the attributes of a storage pool.

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