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Dell EMC NX4 Series Manual

Replacing a standby power supply
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This document describes how to replace a standby power supply (SPS) in the storage system in
an NX4 system.
Note: The storage system in an NX4 system is an AX4-5F8.
Summary of tasks for replacing an SPS................................................................................................................2
Handling field replaceable units (FRUs)..............................................................................................................3
Disabling CallHome or ConnectHome and Email notifications......................................................................5
Shutting down power and removing the cables.................................................................................................7
Unlocking and removing the SPS front bezel.....................................................................................................8
Removing the front plate........................................................................................................................................9
Removing a standby power supply....................................................................................................................10
Installing a standby power supply.....................................................................................................................11
Reconnecting Cables and Powering up the SPS................................................................................................12
Installing the front plate.......................................................................................................................................13
Installing and locking the SPS front bezel.........................................................................................................14
Verifying the operation of a new or replacement part.....................................................................................15
Restoring trespassed virtual disks or LUNs using the CLI ............................................................................17
Checking system status........................................................................................................................................18
Enabling CallHome or ConnectHome and Email notifications......................................................................19
Returning the failed part......................................................................................................................................23
®
EMC
AX4-5F8 Architecture for NX4 Series
Replacing a Standby Power Supply

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  Summary of Contents for Dell EMC NX4 Series

  • Page 1: Table Of Contents

    ® AX4-5F8 Architecture for NX4 Series Replacing a Standby Power Supply This document describes how to replace a standby power supply (SPS) in the storage system in an NX4 system. Note: The storage system in an NX4 system is an AX4-5F8. Summary of tasks for replacing an SPS........................2 Handling field replaceable units (FRUs)......................3 Disabling CallHome or ConnectHome and Email notifications..............5...
  • Page 2: Summary Of Tasks For Replacing An Sps

    Summary of tasks for replacing an SPS Summary of tasks for replacing an SPS To replace an SPS you must complete the tasks below in the order in which they appear. This document provides instructions for completing each task. 1. Disable CallHome or ConnectHome. 2.
  • Page 3: Handling Field Replaceable Units (Frus)

    Handling field replaceable units (FRUs) Handling field replaceable units (FRUs) This section describes the precautions that you must take and the general procedures that you must follow when removing, installing, and storing any field replaceable unit (FRU). Power issues and FRUs Your storage system is designed to be powered on continuously.
  • Page 4 Handling field replaceable units (FRUs) Before touching any FRU, touch a bare (unpainted) metal surface of the cabinet or storage system. Before removing any FRU from its antistatic bag, place one hand firmly on a bare metal surface of the storage system, and at the same time, pick up the FRU while it is still sealed in the antistatic bac.
  • Page 5: Disabling Callhome Or Connecthome And Email Notifications

    Disabling CallHome or ConnectHome and Email notifications Disabling CallHome or ConnectHome and Email notifications Open a HyperTerminal session with the Celerra system and then use procedure in the section that follows for your EMCNAS version to disable CallHome or ConnectHome and Email notification.
  • Page 6 Disabling CallHome or ConnectHome and Email notifications For EMCNAS 5.6 or later Use a HyperTerminal session to disable ConnectHome: 1. From the root directory, disable CallHome: /nas/sbin/nas_connecthome stop 2. Disable the Email notification service: /nas/bin/nas_emailuser -modify -enabled Sample output: 3. Verify that the Email notification service has stopped (is not enabled): /nas/bin/nas_emailuser-info Sample output: Service Enabled = No...
  • Page 7: Shutting Down Power And Removing The Cables

    Shutting down power and removing the cables Shutting down power and removing the cables 1. Shut down power on the SPS that you are replacing by pressing the left side of the SPS power switch (Figure 2 on page Figure 2. Off position for the SPS power switch (SPS A shown) 2.
  • Page 8: Unlocking And Removing The Sps Front Bezel

    Unlocking and removing the SPS front bezel Unlocking and removing the SPS front bezel 1. Unlock the front bezel by turning the key at the front of the enclosure counterclockwise. 2. Press the buttons on the front of the bezel and pull the bezel toward you to release it. 3.
  • Page 9: Removing The Front Plate

    Removing the front plate Removing the front plate The front plate covers the front of the SPS tray. You must remove it to replace either SPS. 1. Remove the four or six screws on the front plate and remove the front plate (Figure 4 on page Figure 4.
  • Page 10: Removing A Standby Power Supply

    Removing a standby power supply Removing a standby power supply 1. From the rear, remove the four screws that secure the SPS. 2. From the front of the cabinet, slide the SPS off the tray (Figure 5 on page 10). Figure 5.
  • Page 11: Installing A Standby Power Supply

    Installing a standby power supply Installing a standby power supply 1. Remove the SPS from its packaging. 2. From the front, slide the SPS onto the tray and into position (Figure 6 on page 11). 3. From the rear, secure the SPS with four screws that you saved either from removing the back plate (if you are adding a second SPS) or from removing from a failed SPS (if you are replacing an SPS).
  • Page 12: Reconnecting Cables And Powering Up The Sps

    Reconnecting Cables and Powering up the SPS Reconnecting Cables and Powering up the SPS 1. Reconnect the sense cable from the SPS serial port (marked with a battery symbol) on management module to the SPS (detailed in reconnecting the sense cable and power cords).
  • Page 13: Installing The Front Plate

    Installing the front plate Installing the front plate 1. Reposition the front plate and secure it with the screws that you saved when you removed the plate (Figure 8 on page 13). 2. If you are adding a second SPS, secure that SPS to the front plate with two additional screws that came with the SPS upgrade kit (Figure 8 on page 13).
  • Page 14: Installing And Locking The Sps Front Bezel

    Installing and locking the SPS front bezel Installing and locking the SPS front bezel 1. While holding the front SPS bezel by its edges, attach it to the latch brackets on the front of the enclosure (Figure 9 on page 14).
  • Page 15: Verifying The Operation Of A New Or Replacement Part

    Verifying the operation of a new or replacement part Verifying the operation of a new or replacement part ® ® Use Navisphere Express or Navisphere Manager to verify the operation of a new or replacement part. If the storage system is running Navisphere Express, use Navisphere Express to verify the operation of a new or replacement part.
  • Page 16 Verifying the operation of a new or replacement part If fault lights on storage system are still lit, go to the page on the Celerra Tools http://Powerlink.EMC.com website for more information. Replacing a Standby Power Supply...
  • Page 17: Restoring Trespassed Virtual Disks Or Luns Using The Cli

    Restoring trespassed virtual disks or LUNs using the CLI Restoring trespassed virtual disks or LUNs using the CLI When a backend FRU/CRU component fails, the virtual disks or LUNs assigned to that storage processor trespass to the other storage processor. This keeps the data available to the clients.
  • Page 18: Checking System Status

    Checking system status Checking system status Before you begin You should still be in your HyperTerminal session. Procedure To view the system state: 1. Enter the following command to verify the system state: # /nas/bin/nas_checkup Example: # /nas/bin/nas_checkup ]# /nas/bin/nas_checkup Check Version: <NAS_version>...
  • Page 19: Enabling Callhome Or Connecthome And Email Notifications

    Enabling CallHome or ConnectHome and Email notifications Enabling CallHome or ConnectHome and Email notifications Use the procedure in the section that follows for your EMCNAS version to enable CallHome or ConnectHome and Email notification. For EMCNAS 5.6 or later Use a HyperTerminal session to enable ConnectHome and Email notification: 1.
  • Page 20 Enabling CallHome or ConnectHome and Email notifications ConnectHome Configuration: Encryption Enabled = yes Dial In: Enabled = yes Modem phone number = Site ID = Serial number = HK192201084 Email: Priority = 1 Sender Address = connectemc@emc.com Recipient Address(es) = szg30@hosts.pvt.dns Subject = CallHome Alert Primary: Email Server = sun1.hosts.pvt.dns...
  • Page 21 Enabling CallHome or ConnectHome and Email notifications Sample returns for disabled connections: /nas/sbin/nas_connecthome -t -email_2 Error 14504231218: Secondary Email is not currently enabled. /nas/sbin/nas_connecthome -t -modem_1 Error 14504231218: Primary Modem is not currently enabled. /nas/sbin/nas_connecthome -t -modem_2 Error 14504231218: Secondary Modem is not currently enabled. 4.
  • Page 22 Enabling CallHome or ConnectHome and Email notifications c. Test the configuration and verify that the configured Recipient Address(es) received the test email: /nas/bin/nas_emailuser -test Sample output: Replacing a Standby Power Supply...
  • Page 23: Returning The Failed Part

    Returning the failed part Returning the failed part Ship the failed part to your service provider as described in the instructions that were included with the replacement part. Returning the failed part...
  • Page 24 Copyright © 2009 - 2010 EMC Corporation. All rights reserved. Published September 2010 EMC believes the information in this publication is accurate as of its publication date. The information is subject to change without notice. THE INFORMATION IN THIS PUBLICATION IS PROVIDED "AS IS." EMC CORPORATION MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WITH RESPECT TO THE INFORMATION IN THIS PUBLICATION, AND SPECIFICALLY DISCLAIMS IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

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