A P P E N D I X  B

Remote and Local Power Management

This appendix explains how to enable remote power management for the Sun StorEdge 6920 system. It includes the following sections:


Preparing the System for Remote Power Management

When the remote power-on and power-off feature is enabled, you can perform a partial system shutdown using the configuration management browser interface. When the system is in the partial shutdown state, the Storage Service Processor and the Storage Service Processor accessory tray remain powered on and active, to facilitate a future remote power-on operation.



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Caution - Do not use the partialremote power-off sequence when moving the system. You must completely power off the system, as described in Performing a Full System Shutdown, before moving it.



The information in this section assumes you are installing the Sun StorEdge 6920 system for the first time and have not yet powered on the system.



Note - If you want to enable remote power management for a system that is operational, you must first perform a full system shutdown, as described in Performing a Full System Shutdown. After shutting down the system, you can enable the system for remote power management by completing the steps described in the following section.



Remote Power Management Checklist

The following checklist (TABLE B-1) summarizes the tasks required for setting up remote power management for the Sun StorEdge 6920 system. To ensure a successful installation, perform the tasks in the order in which they are presented.


TABLE B-1 Remote Power Management Checklist

Step

Task

Where to Find Procedure

1.

Gather required keys, cables, and tools.

Items You Need

2.

Place base cabinet and expansion cabinets, if applicable, in Standby mode.

Remove front trim panel.

Verify that circuit breakers in base cabinet and expansion cabinets, if applicable, are set to Off.

Preparing the Cabinet

3.

Connect DB9 cables to front and back sequencer connectors behind service panel.

Connecting the Internal Power Sequencer Cables

4.

Connect Ethernet and Power sequencer cables to expansion cabinets, if applicable.

Connecting Ethernet and Power Sequencer Cables

5.

Connect grounding cables.

Connecting the Grounding Cable

6.

Connect power cables between base cabinet, expansion cabinets, if applicable, and AC power outlets.

Connecting the Power Cables

7.

Verify that AC power sequencer circuit breakers are off; set Local/Off/Remote switch to Remote.

Set expansion cabinets AC power sequencer circuit breakers to On.

Set base cabinet AC power sequencer circuit break to On.

Powering On the System

8.

Log in to the NTC through the serial connection, run setup, and select Enable SW support for Lights Out Operation.

Enabling Support for Remote Power Management


Items You Need

Before you begin to prepare the system for remote power management, gather the items listed in TABLE B-2.


TABLE B-2 Keys and Cables Required for Setting Up Remote Power Management

Quantity (per cabinet)

Part Number

Description

2

N/A

Keys for Local/Off/Standby key switch (in the base cabinet ship kit)

2

595-4881-nn

Power cables for use in U.S. and Canada

72-in. (185-cm) L6-30P

OR

2

595-4882-nn

Power cables for international use

72-in. (185-cm) IEC 309

1

530-1619-nn

Grounding cable

78.74 in. (2-meter) (in the kit shipped with the system)

1

530-3138-nn

Ethernet cable

10M RJ-45/RJ-45 Rollover

2

530-3210-nn

Power sequencer cables

393.7 in. (10-meter) expansion cabinet DB9 to base cabinet DB9 cable


You also need a Phillips screwdriver for removing the front trim panel of the base cabinet.

Preparing the Cabinet

1. Verify that the key switches, located at the bottom front of the base cabinet and any expansion cabinets (if applicable), are in the Standby position (FIGURE B-1).

Keys for this switch are packed in the base cabinet ship kit. If the key switch is not in the Standby position, insert the key and turn the key switch to Standby.


Illustration showing a close-up of the key switch on and off/standby positions.

FIGURE B-1 Location of Key Switch on Bottom Front Panel (Standby Position)

2. Open the front door and the back door of the base cabinet.

3. At the bottom on the base cabinet, loosen the four screws on the front trim panel and remove the panel. Set the panel aside.

4. Verify that both power sequencer circuit breakers in the base cabinet and expansion cabinet (if applicable) are in the Off position.

Connecting the Internal Power Sequencer Cables

The front and back power sequencer cables are located behind the service panel. These cables enable the Storage Service Processor to recognize that the system is capable of a remote power-on and power-off sequence.

To connect the internal power sequencer cables, follow these steps:

1. At the back of the base cabinet, loosen the thumbscrews holding the right side of the service panel, and swing the panel open.

2. Locate the two DB9 cables that are loosely tied off close to the relay panel on the back of the service panel. Connect the cable labeled J14 to PP Front Seq J14 In to the FRONT SEQ J14 connection, and the cable labeled J14 to PP Rear Seq J14 In to the REAR SEQ J14 connection on the back of the service panel (FIGURE B-2).


The other ends of these cables are already connected to the front and rear power sequencers.

Illustration showing the front and rear power sequencer connectors on the inside of the service panel.

FIGURE B-2 Connections for the Front and Rear Power Sequencers on the Inside of the Base Cabinet Service Panel

3. Locate the Relay USB cable at the back of the Storage Service Processor (see FIGURE B-3) and make sure it is connected to the USB Relay In connector at the back of the service panel.


FIGURE B-3 Storage Service Processor: USB Relay Cable Connection

Illustration of the service processor back view showing the location of the USB relay cable port.


4. Close the service panel and tighten the thumbscrews.

Connecting Ethernet and Power Sequencer Cables

1. If you are connecting one expansion cabinet, connect one Ethernet cable
(10M RJ-45/RJ-45 Rollover, part number 530-3138-01) and two power sequencer serial cables (P/N 530-3210-01) between the base cabinet and expansion cabinet as shown in FIGURE B-4.

This connection allows the expansion cabinet to power on or power off when the base cabinet is powered on or powered off.


Illustration showing the Ethernet and power sequencer connections between the base cabinet service panel and the first expansion cabinet.

FIGURE B-4 Ethernet and Power Sequencer Cabling Between the Base Cabinet and Expansion Cabinet 1

2. If you are connecting two expansion cabinets, connect two Ethernet cables and four power sequencer serial cables (P/N 530-3210-01) between the base cabinet and the two expansion cabinets as shown in FIGURE B-5.

This connection allows both expansion cabinets to power on or power off when the base cabinet is powered on or powered off.


Illustration showing the Ethernet and power sequencer connections between the base cabinet service panel and the first and second expansion cabinets.

FIGURE B-5 Ethernet and Power Sequencer Cabling Between the Base Cabinet, Expansion Cabinet 1, and Expansion Cabinet 2

Connecting the Grounding Cable

The grounding conductor must be connected to either of the following:

The outlets in the vicinity of the unit must be of the grounding type. The grounding conductors for these outlets must be connected to earth ground.

To connect the grounding cable, follow these steps:

1. Locate the grounding cable in the kit that was shipped with the system.

2. Attach one end of the grounding cable to the power sequencer on the base cabinet or on a cabinet that is grounded nearest to the cabinet.


3. Attach the other end of the grounding cable to the front power sequencer in the cabinet (FIGURE B-6).

Illustration showing the grounding cable attached to the power sequencer and routed through the bottom of the base cabinet.

FIGURE B-6 Attaching the Grounding Cable to the Front Power Sequencer

Note - If you are installing a system with one or two expansion cabinets, do not attach the grounding cable from the expansion cabinet to the base cabinet. Instead, use a different grounding point for the expansion cabinet.



Connecting the Power Cables



caution icon

Caution - The system is designed to work with single-phase power systems that have a grounded neutral conductor. To reduce the risk of electric shock, do not connect the system to any other type of power system.



To connect the power cables, follow these steps:

1. Verify that the AC power sequencer circuit breaker is in the Off position (FIGURE B-7).


2. Verify that the Local/Off/Remote switch is in the Remote position of each power sequencer in the base cabinet and expansion cabinet (if applicable) (FIGURE B-7).

Illustration showing the circuit breaker in the power off position.

FIGURE B-7 Rear Power Sequencer Control Panel

3. Check the electrical ratings label on the serial number label attached to the power sequencer. Verify that the stated rating of each power sequencer matches the AC input voltage to the system.

Refer to "Power Sequencer Electrical Specifications" in the Sun StorEdge 6920 System Site Preparation Guide for AC input voltage system requirements.

4. Connect each power cable to the front and rear power sequencers of the base cabinet (FIGURE B-8):

a. Route each power cable directly through the opening in the base of the cabinet.

b. Flip open the latch covers of each cable to access the connectors.

c. Connect the female end of one power cable to the rear power sequencer connector.

d. Connect the female end of the other power cable to the front power sequencer connector.

e. Pull the latch covers over the power cables to secure them to the power sockets.


Illustration showing the power cable connection to the power sequencer.

FIGURE B-8 Connecting the Power Cables

5. Connect the other end of each power cable to a grounded outlet.

One of the following connector types is provided on the power cables:



caution icon

Caution - To reduce the risk of electric shock, strictly observe all Caution statements.





Note - If the appropriate mating receptacle is not available, the connector can be removed from the cable and the cable can then be permanently connected to a dedicated branch circuit by a qualified electrician. Check local electrical codes for proper installation requirements.



After you have connected the power cables, you are ready to power on the system, as described in the next section.

Powering On the System

The following steps allow the system to be powered on remotely.



Note - If you are powering on a Sun StorEdge 6920 system with one or two expansion cabinets attached, perform the power-on sequence for the expansion cabinet before powering on the base cabinet.





caution icon

Caution - To avoid damage to internal circuits, do not connect or disconnect any cable while the FRU associated with the cable is powered on.



To prepare the system for remote power on, follow these steps:

1. Open the front door if it is not already open.

2. Verify that the key switches located at the bottom front of the base cabinet and expansion cabinets (if applicable) are in the Standby position (FIGURE B-9).


Keys for this switch are packed in the kit that was shipped with your system. If the key switch is not in the Standby position, insert the key and turn the key switch to Standby.

Illustration showing a close-up of the key switch in the off/standby position.

FIGURE B-9 Location of the Key Switch on the Bottom Front Panel

3. Remove the front trim panel and set it aside, if you have not already done so.

4. At the bottom front and bottom back of the base cabinet and expansion cabinets (if applicable), press the AC power sequencer circuit breakers up to the Power Off position (FIGURE B-10).

5. At the bottom front and bottom back of the base cabinet and any expansion cabinets, verify that the Local/Off/Remote switch is in the Remote position (FIGURE B-10).


Illustration showing the circuit breaker in the power off position.

FIGURE B-10 AC Power Sequencer Control Panel: Power Off

6. Verify that the AC power cables of the base cabinet and any expansion cabinets are connected to the correct AC outlets.



caution icon

Caution - Do not disconnect the AC power cable from the outlet while working on or in the base cabinet. This connection provides a grounding path that prevents damage from electrostatic discharge.





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Caution - Never move the base cabinet when the system power is on or when the remote power-off procedure is used. Excessive movement can cause catastrophic disk drive failure. Always power the system off completely before you move it.



7. If any expansion cabinets are connected to the base cabinet, press the AC power sequencer circuit breakers down to the Power On position.

Wait until the expansion cabinets complete their power-on sequence and all array component LEDs are in the green steady state.

8. At the bottom front and bottom back of the base cabinet, press the AC power sequencer circuit breakers up to Power On position (FIGURE B-11).


Illustration showing the circuit breaker in the power on position.

FIGURE B-11 AC Power Sequencer Control Panel: Power On

On the base cabinet, the Storage Service Processor, Storage Service Processor accessory tray, network terminal concentrator (NTC), firewall/router, and Ethernet hub are powered on because they are connected to the unswitched power outlets.



Note - To check the status of the rear power sequencer, open the back door of the expansion cabinets and look for the three green LEDs.



All components of the system should power on in an optimal state.

9. Verify that all the components have only green LEDs lit.

It takes several minutes for the diagnostic and initialization process to be completed and for the LEDs to reach a steady state. If LEDs other than the green ones are lit, or if LEDs are not lit, see Troubleshooting the Installation to troubleshoot any component that is not powered on.

10. Replace the front trim panel and close the front and back cabinet doors.

Enabling Support for Remote Power Management

To enable remote power management, perform these steps:

1. Log in to the network terminal concentrator (NTC) using the following login name and password:


login: rss
password: sun1rss

2. Switch to the system's Storage Service Processor.


ntc0: connect local port_2

3. Press Return several times until the login prompt is displayed.


new_sp console login: 

4. Log in to the console using the following login name and password:


new_sp console login: setup
Password: !setup

When you log in as setup, the initial configuration utility script automatically runs.

5. Select Enable SW support for Lights Out Operation from the list of options by entering 4.


***********************************************
* StorEdge 6920 Initial Configuration Utility *
***********************************************
 
1. Initial configuration
2. Restore previously defined configuration
3. Unconfigure
4. Enable SW support for Lights Out Operation
5. Upgrade System
Your Choice: 4

6. Confirm the operation by entering y.

The script logs you out and returns you to the Solaris prompt. The system is now operating and supports the remote power-off and power-on procedures.

7. If you are installing the system for the first time, return to Installing the USB Flash Disk.


Performing a Partial System Shutdown

Before you power off the system, you must halt any I/O between host systems and the Sun StorEdge 6920 system.

Depending on the data host's operating system, you might need to:

Refer to the host operating system documentation for specific instructions.



caution icon

Caution - Failure to stop I/O between host systems and the system can result in the loss of data.



When you partially power off the system, the system components in the base cabinet and expansion cabinets (if applicable) are in the following state:

Follow these steps to partially power off the system:

1. Connect to the configuration management software with a web browser by entering:


https://ipaddress:6789/

where ipaddress is the IP address of the Storage Service Processor or external host where the software is installed.

The Java Web Console login page is displayed.

2. Log in as a storage or admin user.

User name: storage password: !storage

User name: admin password: !admin

3. Click Sun StorEdge 6920 Configuration Service.

4. Click Administration > General Setup.

The General Settings page is displayed.


Screen capture of the General Settings page showing the System Shutdown and the System Partial Shutdown buttons.

5. Click the System Partial Shutdown button.

6. Click OK to confirm the partial shutdown.

The system is now partially shut down. Refer to Performing a Partial System Shutdown for the state of each system component.


Performing a Full System Shutdown

When you perform a full system shutdown, you must go to the location of the system to manually restore power.

Before you power off the system, you must halt any I/O between host systems and the Sun StorEdge 6920 system.



caution icon

Caution - Failure to stop I/O between host systems and the system can result in the loss of data.



When you power off the system from the browser interface, the system components in the base cabinet and expansion cabinets (if applicable) are in the following state:

To completely power off the system, do the following:

1. Connect to the configuration management software with a web browser by entering:


https://ipaddress:6789/

where ipaddress is the IP address of the Storage Service Processor or external host where the software is installed.

2. Log in as a storage or admin user.

User name: storage password: !storage

User name: admin password: !admin

3. Click Sun StorEdge 6920 Configuration Service.

4. Click Administration > General Setup.

The General Settings page is displayed.

5. Click the System Shutdown button.


Screen capture of the General Settings page showing the System Shutdown and the System Partial Shutdown buttons.

6. Click OK to confirm the full system shutdown.

The system displays the following message:

The session was closed because system was shutdown.

7. To remove the main power from the system, at the bottom front and bottom back of the base cabinet, press both AC power sequencer circuit breakers up to the Power Off position (FIGURE B-12).


Illustration showing the circuit breaker in the power off position.

FIGURE B-12 AC Power Sequencer Control Panel: Power Off

8. At the bottom front and bottom back of the expansion cabinets (if applicable), press the AC power sequencer circuit breakers down to the Power Off position.

The main power LEDs are shut off.

The system is now completely shut down.


Restoring Power to the System

This section provides procedures for restoring the system after you power off the system. It includes the following sections:

Restoring Power to the System After a Partial System Shutdown

If the system has been powered off using the remote partial shutdown procedure, use the following procedure to restore power to the system.

1. Connect to the configuration management software with a web browser by entering:


https://ipaddress:6789/

where ipaddress is the IP address of the Storage Service Processor or external host where the software is installed.

2. Log in as a storage or admin user.

User name: storage password: !storage

User name: admin password: !admin

3. Click Sun StorEdge 6920 Configuration Service.

4. Click Administration > General Setup.

The General Settings page is displayed.

5. Click the System Power Up button.


Screen capture showing the Ssytem Power Up button on the General Settings page.

This selection activates the power sequencers in the base cabinet and any expansion cabines and causes the storage components to power on. The Switched Outlet LEDs are lit.

The system is now ready for operation.

Restoring Power to the System After a Full System Shutdown

If the system has been completely powered off using the full shutdown procedure, you must go to the system location to restore power.

1. Open the front door and back door if they are not already open.

2. Verify that the key switches, located at the bottom front of the base cabinet and any expansion cabinets, are in the Standby position.

3. Remove the front trim panel from the base cabinet and set it aside if you have not already done so.

4. At the bottom front and bottom back of the base cabinet and any expansion cabinets, press the AC power sequencer circuit breakers up to the Power Off position.

5. Verify that the AC power cables of the base cabinet and any expansion cabinets are connected to the correct AC outlets.

6. At the bottom front and bottom back of the base cabinet and any expansion cabinets, verify that the Local/Off/Remote switch is in the Remote position.

7. If an expansion cabinet is connected to the base cabinet, press the AC power sequencer circuit breakers in the expansion cabinet down to the On position.

Wait until the expansion cabinet completes its power-on sequence and all array component LEDs are in the green steady state.

8. At the bottom front and bottom back of the base cabinet, press the AC power sequencer circuit breakers to the On position.



Note - The front-panel power sequencer bottom LED is lit only when the AC power sequencer circuit breakers for the front power supply are on.





Note - To check the status of the rear power sequencer, open the back door of the expansion cabinet and look for the three green LEDs.



9. Wait approximately one minute after pressing the AC power sequencer circuit breakers on. At the back of the system, locate the power switch for the Storage Service Processor and press the switch off, and then on.

All components of the system power on in an optimal state.

10. Verify that all the components have only green LEDs lit.

If LEDs other than green ones are lit, or if no LEDs are lit, see Troubleshooting the Installation to troubleshoot any component that is not powered on.

11. Replace the front trim panel and close the front and back doors.

The system is now powered on and operational.