NetApp E Series Manuel utilisateur

Maintain systems

E-Series

NetApp

December 14, 2021

This PDF was generated from https://docs.netapp.com/us-en/e-series/maintenance-ef600/index.html on

December 14, 2021. Always check docs.netapp.com for the latest.

Table of Contents

Maintain systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ê1

EF300 and EF600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ê1

E2800. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ê100

E5700. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ê265

Maintain systems

EF300 and EF600

Maintain EF300 and EF600 hardware

For the EF300 and EF600 storage systems, you can perform maintenance procedures on

the following components.

Batteries

A battery is included with a controller and preserves cached data if the AC power fails.

Controllers

A controller consists of a board, firmware, and software. It controls the drives and implements the SANtricity

System Manager functions.

DIMMs

You must replace a DIMM (dual in-line memory module) when a memory mismatch is present, or you have a

failed DIMM.

Drives

A drive is a device that provides the physical storage media for data.

Fans

Each EF300 or EF600 controller shelf or drive shelf includes five fans for cooling the controller.

Host interface cards (HICs)

A host interface card (HIC) must be installed within a controller canister. The EF600 controller includes host

ports on the optional HIC. Host ports that are built into the HIC are called HIC ports.

Host port protocol

You can convert the protocol of a host to a different protocol so that compatibility and communication can be

established.

Power supplies

A power supply provides a redundant power source in a controller shelf.

SAS expansion cards

A SAS expansion card may be installed within a controller canister. The EF300 controller supports SAS

expansion.

Batteries

Requirements for EF300 or EF600 battery replacement

Before you replace an EF300 or EF600 battery, review the requirements and

considerations.

A battery is included with a controller and preserves cached data if the AC power fails.

Recovery Guru alerts

If the Recovery Guru in SANtricity System Manager reports one of following statuses, you must replace the

affected battery:

•Battery Failed

•Battery Replacement Required

From SANtricity System Manager, review the details in the Recovery Guru to confirm that there is an issue with

a battery and to ensure no other items must be addressed first.

Procedure overview

To protect your data, you must replace a failed battery as soon as possible.

The following is an overview of the steps to replace a battery in EF300 or EF600 controllers:

1. Take controller offline.

2. Remove the controller canister.

3. Replace the battery.

4. Replace the controller canister.

5. Bring the controller online.

Requirements

If you plan to replace a battery, you must have:

•A replacement battery.

•An ESD wristband, or you have taken other antistatic precautions.

•Labels to identify each cable that is connected to the controller canister.

•A management station with a browser that can access SANtricity System Manager for the controller. (To

open the System Manager interface, point the browser to the controller’s domain name or IP address.)

Optionally, you can use the command line interface (CLI) to perform some of the procedures. If you do not

have access to the CLI, you can do one of the following:

◦For SANtricity System Manager (version 11.60 and above) — Download the CLI package (zip file)

from System Manager. Go to Settings ›System ›Add-ons ›Command Line Interface. You can then

issue CLI commands from an operating system prompt, such as the DOS C: prompt.

◦For SANtricity Storage Manager/Enterprise Management Window (EMW) — Follow the instructions

in the express guide to download and install the software. You can run CLI commands from the EMW

by selecting Tools ›Execute Script.

Replace EF300 or EF600 battery

You can replace a battery in an EF300 or EF600 storage system.

About this task

Each controller canister includes a battery that preserves cached data if the AC power fails. If the Recovery

Guru in SANtricity System Manager reports either a Battery Failed status or a Battery Replacement Required

status, you must replace the affected battery.

Before you begin

•Verify that no volumes are in use or that you have a multipath driver installed on all hosts using these

volumes.

•Review the Requirements for EF300 or EF600 battery replacement.

What you’ll need

•The replacement battery.

•An ESD wristband, or you have taken other antistatic precautions.

•A flat, static free work area.

•Labels to identify each cable that is connected to the controller canister.

•A management station with a browser that can access SANtricity System Manager for the controller. (To

open the System Manager interface, point the browser to the controller’s domain name or IP address.)

Step 1: Place controller offline

Back up data and place the affected controller offline.

Steps

1. From SANtricity System Manager, review the details in the Recovery Guru to confirm that there is an issue

with a battery and to ensure no other items must be addressed first.

2. From the Details area of the Recovery Guru, determine which battery to replace.

3. Back up the storage array’s configuration database using SANtricity System Manager.

If a problem occurs when you remove a controller, you can use the saved file to restore your configuration.

The system will save the current state of the RAID configuration database, which includes all data for

volume groups and disk pools on the controller.

◦From System Manager:

a. Select Support ›Support Center ›Diagnostics.

b. Select Collect Configuration Data.

c. Click Collect.

The file is saved in the Downloads folder for your browser with the name, configurationData-

<arrayName>-<dateTime>.7z.

4. If the controller is not already offline, take it offline now using SANtricity System Manager.

a. Select Hardware.

b. If the graphic shows the drives, select Show back of shelf to show the controllers.

c. Select the controller that you want to place offline.

d. From the context menu, select Place offline, and confirm that you want to perform the operation.

If you are accessing SANtricity System Manager using the controller you are attempting

to take offline, a SANtricity System Manager Unavailable message is displayed. Select

Connect to an alternate network connection to automatically access SANtricity

System Manager using the other controller.

5. Wait for SANtricity System Manager to update the controller’s status to offline.

Do not begin any other operations until after the status has been updated.

6. Select Recheck from the Recovery Guru, and confirm that the OK to remove field in the Details area

displays Yes, indicating that it is safe to remove this component.

Step 2: Remove controller canister

Replace the failed battery with a new one.

Steps

1. Put on an ESD wristband or take other antistatic precautions.

2. Label each cable that is attached to the controller canister.

3. Disconnect all the cables from the controller canister.

To prevent degraded performance, do not twist, fold, pinch, or step on the cables.

4. Confirm that the Cache Active LED on the back of the controller is off.

5. Squeeze the handles on either side of the controller, and pull back until it releases from the shelf.

6. Using two hands and the handles, slide the controller canister out of the shelf. When the front of the

controller is free of the enclosure, use two hands to pull it out completely.

Always use two hands to support the weight of a controller canister.

7. Place the controller canister on a flat, static-free surface.

Step 3: Remove failed battery

Pull the failed battery out of the controller.

Steps

1. Remove the controller canister’s cover by unscrewing the single thumbscrew and lifting the lid open.

2. Confirm that the green LED inside the controller is off.

If this green LED is on, the controller is still using battery power. You must wait for this LED to go off before

removing any components.

3. Locate the 'press' tab on the side of the controller.

4. Unlatch the battery by pressing the tab and squeezing the battery casing.

5. Gently squeeze the connector housing the battery wiring. Pull up, disconnecting the battery from the board.

6. Lift the battery out of the controller and place on a flat, static-free surface.

7. Follow the appropriate procedures for your location to recycle or dispose of the failed battery.

To comply with International Air Transport Association (IATA) regulations, never ship a

lithium battery by air unless it is installed within the controller shelf.

Step 4: Install new battery

After you have removed the failed battery from the controller canister, follow this step to install the new battery.

Steps

1. Unpack the new battery, and set it on a flat, static-free surface.

To comply with IATA safely regulations, replacement batteries are shipped with a state of

charge (SoC) of 30 percent or less. When you reapply power, keep in mind that write

caching does not resume until the replacement battery is fully charged and it has completed

its initial learn cycle.

2. Insert the battery into the controller by lining up the battery casing with the metal latches on the side of the

controller.

The battery clicks into place.

3. Plug the battery connector back into the board.

Step 5: Reinstall controller canister

Reinstall the controller into the controller shelf.

Steps

1. Lower the cover on the controller canister and secure the thumbscrew.

2. While squeezing the controller handles, gently slide the controller canister all the way into the controller

shelf.

The controller audibly clicks when correctly installed into the shelf.

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