Volume groups — Main page

Introduction

It is possible that when you first open this page, no information is displayed. Use the select storage unit pull-down list at the top of the page to select the storage unit that contains the volume groups that you want to modify.

Use the Refresh button to obtain current information.

Menu path

Fields

Select storage unit

Specifies the storage unit that is being configured.

Select

Provides the selection method (a check box) for specifying the volume group you want to work with. When you click a check box, the Select Action drop down list is refreshed with a list of actions that you can perform on each volume group that you select.

Nickname

Specifies the user- or system-designated nickname. The clicking the link displays the Volume group properties page.

Number

Identifies the volume group ID. The ID is a four-digit decimal number with no leading zeroes.

Volumes

Specifies the quantity of volumes that are in the volume group. The link displays the Volumes - open systems main page that provides a list of volumes that are filtered by the specified volume group.

Host Attachments

Specifies the quantity of host attachments that are assigned to the volume group. The link displays a page of host attachments that are filtered by associations with the specified volume group.

Actions

The following actions are available from the Select Action drop-down list after you have selected your LSS, host, or volume group. To initiate one of these actions, click it and then click Go.

Create

When Create is selected, the Create volume group page is displayed. This is the first page of a wizard that directs you through the steps and information to create a new volume group. The Create action can be selected before selecting a specific volume group.

Delete

When Delete is selected, a confirmation dialog in invoked and if confirmed, the selected open system volume group is deleted.

Notes:

1. If the number of volumes in the specified volume group is nonzero, the volumes that are assigned to the volume group are designated as unassigned. Because they are unassigned, the volumes become eligible for assignment to other volume groups.
2. If you delete a volume group, any host attachments to which the volume group was mapped will no longer be able to access volumes that were in the group.

Modify

When Modify is selected, the Modify volume group page is displayed. This is the first page of a wizard that directs you through the steps and information to modify the selected volume group.

Properties

When Properties is selected, the Volume group properties page is displayed. On this page, you can change the nickname associated with the volume group and view the valid host types for the selected volume group.