NetApp AFF A300 Bedienungsanleitung

Chassis

ONTAP Systems

NetApp

May 13, 2022

This PDF was generated from https://docs.netapp.com/us-en/ontap-systems/a300/chassis-replace-

overview.html on May 13, 2022. Always check docs.netapp.com for the latest.

Table of Contents

Chassis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ê1

Overview of chassis replacement - AFF A300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ê1

Shut down the controllers - - AFF A300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ê1

Replace hardware - AFF A300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ê4

Restore and verify the configuration - AFF A300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ê10

Chassis

Overview of chassis replacement - AFF A300

To replace the chassis, you must move the power supplies, fans, and controller modules

from the impaired chassis to the new chassis, and swap out the impaired chassis from

the equipment rack or system cabinet with the new chassis of the same model as the

impaired chassis.

All other components in the system must be functioning properly; if not, you must contact technical support.

•You can use this procedure with all versions of ONTAP supported by your system.

•This procedure is written with the assumption that you are moving the controller module or modules to the

new chassis, and that the chassis is a new component from NetApp.

•This procedure is disruptive. For a two-node cluster, you will have a complete service outage and a partial

outage in a multi-node cluster.

Shut down the controllers - - AFF A300

To replace the chassis, you must shutdown the controllers.

Option 1: Shut down the controller

You must shut down the controller or controller in the chassis prior to moving them to the new chassis.

About this task

•If you have a cluster with more than two controllers, it must be in quorum. If the cluster is not in quorum or

a healthy controller shows false for eligibility and health, you must correct the issue before shutting down

the impaired controller; see the Administration overview with the CLI.

•If AutoSupport is enabled, suppress automatic case creation by invoking an AutoSupport message:

system node autosupport invoke -node * -type all -message

MAINT=number_of_hours_downh

The following AutoSupport message suppresses automatic case creation for two hours: cluster1:*>

system node autosupport invoke -node * -type all -message MAINT=2h

Steps

1. If your system has two controller modules, disable the HA pair.

If your system is running

clustered ONTAP with…

Then…

Two controllers in the cluster cluster ha modify -configured false storage failover

modify -node node0 -enabled false

More than two controllers in the

cluster

storage failover modify -node node0 -enabled false

2. Halt the controller, pressing ywhen you are prompted to confirm the halt: system node halt -node

node_name

The confirmation message looks like the following:

Warning: This operation will cause controller "node-name" to be marked

as unhealthy. Unhealthy nodes do not participate in quorum voting. If

the controller goes out of service and one more controller goes out of

service there will be a data serving failure for the entire cluster.

This will cause a client disruption. Use "cluster show" to verify

cluster state. If possible bring other nodes online to improve the

resiliency of this cluster.

Do you want to continue? {y|n}:

You must perform a clean system shutdown before replacing the chassis to avoid losing

unwritten data in the nonvolatile memory (NVMEM/NVRAM). Depending on your system, if

the NVMEM/NVRAM LED is flashing, there is content in the NVMEM/NVRAM that has not

been saved to disk. You need to reboot the controller and start from the beginning of this

procedure. If repeated attempts to cleanly shut down the controller fail, be aware that you

might lose any data that was not saved to disk.

3. Where applicable, halt the second controller to avoid a possible quorum error message in an HA pair

configuration: system node halt -node second_node_name -ignore-quorum-warnings true

-skip-lif-migration-before-shutdown true

Answer ywhen prompted.

Option 2: Controllers are in a two-node MetroCluster configuration

To shut down the impaired controller, you must determine the status of the controller and, if necessary, switch

over the controller so that the healthy controller continues to serve data from the impaired controller storage.

About this task

•If you are using NetApp Storage Encryption, you must have reset the MSID using the instructions in the

"Return a FIPS drive or SED to unprotected mode" section of NetApp Encryption overview with the CLI.

•You must leave the power supplies turned on at the end of this procedure to provide power to the healthy

controller.

Steps

1. Check the MetroCluster status to determine whether the impaired controller has automatically switched

over to the healthy controller: metrocluster show

2. Depending on whether an automatic switchover has occurred, proceed according to the following table:

If the impaired controller… Then…

Has automatically switched over Proceed to the next step.

If the impaired controller… Then…

Has not automatically switched

over

Perform a planned switchover operation from the healthy controller:

metrocluster switchover

Has not automatically switched

over, you attempted switchover

with the metrocluster

switchover command, and the

switchover was vetoed

Review the veto messages and, if possible, resolve the issue and try

again. If you are unable to resolve the issue, contact technical

support.

3. Resynchronize the data aggregates by running the metrocluster heal -phase aggregates

command from the surviving cluster.

controller_A_1::> metrocluster heal -phase aggregates

[Job 130] Job succeeded: Heal Aggregates is successful.

If the healing is vetoed, you have the option of reissuing the metrocluster heal command with the

-override-vetoes parameter. If you use this optional parameter, the system overrides any soft vetoes

that prevent the healing operation.

4. Verify that the operation has been completed by using the metrocluster operation show command.

controller_A_1::> metrocluster operation show

Ê Operation: heal-aggregates

Ê State: successful

Start Time: 7/25/2016 18:45:55

Ê End Time: 7/25/2016 18:45:56

Ê Errors: -

5. Check the state of the aggregates by using the storage aggregate show command.

controller_A_1::> storage aggregate show

Aggregate Size Available Used% State #Vols Nodes RAID

Status

--------- -------- --------- ----- ------- ------ ----------------

------------

...

aggr_b2 227.1GB 227.1GB 0% online 0 mcc1-a2

raid_dp, mirrored, normal...

6. Heal the root aggregates by using the metrocluster heal -phase root-aggregates command.

mcc1A::> metrocluster heal -phase root-aggregates

[Job 137] Job succeeded: Heal Root Aggregates is successful

If the healing is vetoed, you have the option of reissuing the metrocluster heal command with the

-override-vetoes parameter. If you use this optional parameter, the system overrides any soft vetoes that

prevent the healing operation.

7. Verify that the heal operation is complete by using the metrocluster operation show command on

the destination cluster:

mcc1A::> metrocluster operation show

Ê Operation: heal-root-aggregates

Ê State: successful

ÊStart Time: 7/29/2016 20:54:41

Ê End Time: 7/29/2016 20:54:42

Ê Errors: -

8. On the impaired controller module, disconnect the power supplies.

Replace hardware - AFF A300

Move the power supplies, fans, and controller modules from the impaired chassis to the

new chassis, and swap out the impaired chassis from the equipment rack or system

cabinet with the new chassis of the same model as the impaired chassis.

Step 1: Move a power supply

Moving out a power supply when replacing a chassis involves turning off, disconnecting, and removing the

power supply from the old chassis and installing and connecting it on the replacement chassis.

1. If you are not already grounded, properly ground yourself.

2. Turn off the power supply and disconnect the power cables:

a. Turn off the power switch on the power supply.

b. Open the power cable retainer, and then unplug the power cable from the power supply.

c. Unplug the power cable from the power source.

3. Press down the release latch on the power supply cam handle, and then lower the cam handle to the fully

open position to release the power supply from the mid plane.

Power supply

Cam handle release latch

Power and Fault LEDs

Cam handle

Power cable locking mechanism

4. Use the cam handle to slide the power supply out of the system.

When removing a power supply, always use two hands to support its weight.

5. Repeat the preceding steps for any remaining power supplies.

6. Using both hands, support and align the edges of the power supply with the opening in the system chassis,

and then gently push the power supply into the chassis using the cam handle.

The power supplies are keyed and can only be installed one way.

Do not use excessive force when sliding the power supply into the system. You can damage

the connector.

7. Push firmly on the power supply cam handle to seat it all the way into the chassis, and then push the cam

handle to the closed position, making sure that the cam handle release latch clicks into its locked position.

8. Reconnect the power cable and secure it to the power supply using the power cable locking mechanism.

Only connect the power cable to the power supply. Do not connect the power cable to a

power source at this time.

Step 2: Move a fan

Moving out a fan module when replacing the chassis involves a specific sequence of tasks.

1. Remove the bezel (if necessary) with two hands, by grasping the openings on each side of the bezel, and

then pulling it toward you until the bezel releases from the ball studs on the chassis frame.

2. Press down the release latch on the fan module cam handle, and then pull the cam handle downward.

The fan module moves a little bit away from the chassis.

Cam handle

Fan module

Cam handle release latch

Fan module Attention LED

3. Pull the fan module straight out from the chassis, making sure that you support it with your free hand so

that it does not swing out of the chassis.

The fan modules are short. Always support the bottom of the fan module with your free hand

so that it does not suddenly drop free from the chassis and injure you.

4. Set the fan module aside.

5. Repeat the preceding steps for any remaining fan modules.

6. Insert the fan module into the replacement chassis by aligning it with the opening, and then sliding it into

the chassis.

7. Push firmly on the fan module cam handle so that it is seated all the way into the chassis.

The cam handle raises slightly when the fan module is completely seated.

8. Swing the cam handle up to its closed position, making sure that the cam handle release latch clicks into

the locked position.

The fan LED should be green after the fan is seated and has spun up to operational speed.

9. Repeat these steps for the remaining fan modules.

10. Align the bezel with the ball studs, and then gently push the bezel onto the ball studs.

Step 3: Remove the controller module

To replace the chassis, you must remove the controller module or modules from the old chassis.

1. If you are not already grounded, properly ground yourself.

2. Loosen the hook and loop strap binding the cables to the cable management device, and then unplug the

system cables and SFPs (if needed) from the controller module, keeping track of where the cables were

connected.

Leave the cables in the cable management device so that when you reinstall the cable management

device, the cables are organized.

3. Remove and set aside the cable management devices from the left and right sides of the controller module.

4. Loosen the thumbscrew on the cam handle on the controller module.

Thumbscrew

Cam handle

5. Pull the cam handle downward and begin to slide the controller module out of the chassis.

Make sure that you support the bottom of the controller module as you slide it out of the chassis.

6. Set the controller module aside in a safe place, and repeat these steps if you have another controller

module in the chassis.

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