Setup Power Management

Overview

This function connects the external input device and controls (shuts down) the storage system power.

Caution

  • If this function is enabled by mistake, the storage system may shut down unexpectedly. Make sure to check setting contents before performing settings.

User Privileges

Availability of Executions in the Default Role

Default role Availability of executions
Monitor  
Admin
StorageAdmin  
AccountAdmin  
SecurityAdmin  
Maintainer

Refer to "User Roles and Policies" for details on the policies and roles.

Settings

In this screen, specify the settings to shut down the storage system power by connecting it to the external input device.

Power Control by External Device

Item Description Setting values

RCIL

Select whether to "Enable" or "Disable" the RCIL connection.

Enable

Disable (Default)

Auto Power

Select whether to "Enable" or "Disable" the power interlock mode (the function to automatically power on when the power is supplied).

When PMAN is connected, enable the "Auto Power".

When the power synchronized unit is connected, disable the "Auto Power".

Enable

Disable (Default)

Power Resume

Select whether to "Enable" or "Disable" the auto power recovery mode (the function to automatically power on at power recovery after a power failure).

Enable

Disable (Default)

Connection Module Settings

Item Description

PWC

Select the checkbox for each module to enable power management by an external input device. This checkbox is not selected by default.

  • For the ETERNUS DX8100 S4, checkboxes for "CM#0" and "CM#1"

  • For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4, checkboxes for "SVC#0" and "SVC#1"

If any checkbox is selected, set "Delay until Shutdown", "Set management unit interface", "Power Failure Signal", "Low Battery Signal" and "UPS Shutdown Signal".

This item is displayed for the ETERNUS DX900 S5 and the ETERNUS DX8100 S4/DX8900 S4.

PWC Connection Settings

Item Description Setting values

Connection CM

Select the checkbox for the controller module (CM) to enable power management by an external input device (multiple selections can be made).

When this item is selected, set "Delay until Shutdown", "Set management unit interface", "Power Failure Signal", "Low Battery Signal" and "UPS Shutdown Signal".

This item is displayed for the storage system other than the ETERNUS DX900 S5 or the ETERNUS DX8100 S4/DX8900 S4.

Delay until Shutdown

Specify the delay time (minutes) before starting shutdown after receiving a shutdown notification signal from the external input device.

When PMAN is connected, specify the delay time before starting shutdown after receiving a low battery signal. Specify a delay time longer than the time required for the server shutdown process so that the storage system is turned off after the server shutdown is complete.

0 (Default) - 15 min.

Set management unit interface

Select the external input device connected via RS232C interface.

For the ETERNUS DX900 S5 or the storage system other than the ETERNUS DX8100 S4/DX8900 S4, the "Manual" setting is for particular use, thus should not be used during normal operation.

For the ETERNUS DX60 S5/DX100 S5/DX200 S5 and ETERNUS AF150 S3/AF250 S3

  • Power Synchronized Unit

  • PMAN

  • Manual

For the other models

  • Power Synchronized Unit

  • Manual

Power Failure Signal

Select the signal logic for power failure signal when the power failure occurs from "Positive" or "Negative" (Positive: positive logic, Negative: negative logic).

For the ETERNUS DX900 S5 or the ETERNUS DX8100 S4/DX8900 S4, this setting is available when "Manual" is selected for the "Set management unit interface" field.

For the other models, this item is automatically set when "Power Synchronized Unit" or "PMAN" is selected for the "Set management unit interface" field.

Positive (Default)

Negative

Low Battery Signal

Select the signal logic for a low battery signal when a low battery charge occurs from "Positive" or "Negative" (Positive: positive logic, Negative: negative logic).

For the ETERNUS DX900 S5 or the ETERNUS DX8100 S4/DX8900 S4, this setting is available when "Manual" is selected for the "Set management unit interface" field.

For the other models, this item is automatically set when "Power Synchronized Unit" is selected for the "Set management unit interface" field.

Positive (Default)

Negative

UPS Shutdown Signal

When enabling the UPS shutdown signal, select the "Enable" checkbox. Also, select the signal logic for UPS shutdown signal from "Positive" or "Negative" (Positive: positive logic, Negative: negative logic).

To disable this item, clear the "Enable" checkbox.

"Enable" checkbox

Selected

Cleared (Default)

Positive (Default)

Negative

Operating Procedures

  1. Click [Setup Power Management] in [Action].

  2. Specify the parameters, and click the [Set] button.

    → A confirmation screen appears.

  3. Click the [OK] button.

    → Setting of the power management starts.

  4. Click the [Done] button to return to the [System Settings] screen.