Remove Channel Adapter

Overview

This function removes a Channel Adapter (CA) while the storage system is operating.

After isolation of the CA to be removed and the controller module (CM) in which the CA is installed, the CA is removed from the storage system.

Caution
  • Perform the start maintenance operation by using the [Start/End Maintenance] function before the removing task. If the operation has not been performed, the removal cannot be started.

  • Only one CA can be removed at a time.

  • This function cannot be used under the following conditions:
    • The status of the CA that is to be removed or the CM to which the target CA belongs is not normal

    • Storage Migration paths are set for the CA that is to be removed

    • No CAs are installed

    • The port for the CA that is to be removed is used for the Storage Cluster function

Note
  • If a CA that is set with copy path information is removed, the copy path information is automatically deleted.

Display Contents

The following screens are displayed by the wizard.

[Start] Screen

The CA that is to be removed is displayed.

Item Description

Enclosure

The CE number is displayed to determine the CM that is installed with the CA to be removed.

This is displayed for the ETERNUS DX900 S6 or the ETERNUS DX8900 S6.

CE#n

CM

The CM number to which the CA that is to be removed belongs is displayed.

CM#n

CA

The CA number that is to be removed is displayed.

CA#n

Type

The CA type is displayed.

Status

The CA status is displayed.

[Status Check] Screen

The status of the CA and the progress rate of isolating the CA are displayed.

Status Check

Item Description

Enclosure

The CE number is displayed to determine the CM that is installed with the CA to be removed.

This is displayed for the ETERNUS DX900 S6 or the ETERNUS DX8900 S6.

CE#n

CM

The CM number to which the CA that is to be removed belongs is displayed.

CM#n

CA

The CA number that is to be removed is displayed.

CA#n

Progress

The progress rate (0 to 100 %) of isolating the CA is displayed.

Status

The CA status is displayed.

[Finish] Screen

The CA removal procedure is displayed on this screen. Remove the CA according to the displayed procedure.

Target Channel Adapter

Item Description

Enclosure

The CE number is displayed to determine the CM that is installed with the CA to be removed.

This is displayed for the ETERNUS DX900 S6 or the ETERNUS DX8900 S6.

CE#n

CM

The CM number to which the CA that is to be removed belongs is displayed.

CM#n

CA

The CA number that is to be removed is displayed.

CA#n

Operating Procedures

  1. Select the CA that is to be removed, and click [Remove Channel Adapter] in [Action].

    → The [Start] Screen appears.

  2. Check the CA that is to be removed, and click the [Next >>] button.

    → CA isolation starts, and the [Status Check] Screen screen appears.

        When isolation of the CA is complete, the [Finish] Screen screen appears.

  3. Remove the CA according to the displayed procedure.

  4. Click the [Done] button to return to the [Channel Adapter] screen.