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Monitor REC_UNSUPPORTED_CACHE_MEMORY_SIZE (223)

NetAppESeries.FailureID_0223_Monitor (UnitMonitor)

The controller is configured with an unsupported cache memory size.

Knowledge Base article:

Unsupported Cache Memory Size

What Caused the Problem?

A controller currently contains more total cache memory than the controller supports. The Recovery Guru Details area provides specific information you will need as you follow the recovery steps.

Important Notes

 

Recovery Steps

If...

Then...

Your storage array has one controller

Go to

Procedure for Storage Arrays with One Controller.

Your storage array has two controllers

Go to

Procedure for Storage Arrays with Two Controllers.

Procedure for Storage Arrays with One Controller

1

Stop all I/O from all hosts to this storage array. When the Cache Active LED on the controller is no longer blinking (may take several minutes), proceed to step 2.

 Caution: Risk of Data Loss. You must wait for the Cache Active LED to stop blinking to ensure that all cache has been written to disk.

2

Click the

Save As

button in the Recovery Guru dialog to save the remaining steps to file. The remaining recovery steps will no longer be accessible from the Recovery Guru dialog after you complete step 3.

3

Remove the controller canister that contains the affected cache backup device (listed in the

Component requiring service

field in the Details area).

4

Refer to the Enterprise Management Window (EMW) to view which management method you are using to manage this storage array.

If...

Then...

You are using In-Band management for ALL hosts attached to this storage array

Go to step 5.

You are using Out-of-Band management for ANY host attached to this storage array

Before you insert a new controller canister into the storage array, you must update the DHCP/BOOTP server so that it will associate the new controller's hardware Ethernet (MAC) address with the DNS/network name and IP address previously assigned to the removed controller.

To update the DHCP/BOOTP server, find the entry associated with the removed controller and replace its Ethernet (MAC) address with the new controller's Ethernet (MAC) address. The controller's Ethernet (MAC) address is located on an Ethernet ID label on the controller canister in the form xx.xx.xx.xx.xx.xx.

When you are finished, go to step 5.

5

Insert the controller canister securely into place. After the controller appears on the

Hardware

tab in the AMW, go to step 6.

Note: Write caching will be reinstated (if applicable for each volume) once the controller's battery is fully charged and has completed any required learn cycles (if applicable).

6

Click the

Recheck

button to rerun the Recovery Guru. The failure should no longer appear in the Summary area. If the failure appears again, contact your Technical Support Representative.

Procedure for Storage Arrays with Two Controllers

1

If there are any hosts connected to this storage array that are NOT running a host-based, multi-path failover driver, stop I/O to the storage array from each of these hosts.

2

Place the affected controller offline. The affected controller is listed in the

Component requiring service field

in the Details area.

a

Select the controller on the

Hardware

tab in the Array Management Window.

b

Select

Hardware > Controller > Advanced > Place > Offline

.

c

Complete the instructions in the dialog, then select

Yes

.

3

Read all of the following steps before taking any action. The remaining recovery steps will no longer be accessible from the Recovery Guru dialog after you complete step a.

a

Click the

Recheck

button to rerun the Recovery Guru.

b

Select the "Offline Controller" problem that is being reported in the Summary area.

c

Complete the recovery steps in the "Offline Controller" recovery procedure to replace the affected controller.

Element properties:

TargetNetAppESeries.StorageArray
Parent MonitorNetAppESeries.StorageArrayAvailability
CategoryCustom
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeNetAppESeries.FailureUnitMonitorType
RemotableTrue
AccessibilityInternal
Alert Message
Alert: REC_UNSUPPORTED_CACHE_MEMORY_SIZE
The controller is configured with an unsupported cache memory size. Alert Value: {0}
RunAsDefault
CommentMachine generated entity

Source Code:

<UnitMonitor ID="NetAppESeries.FailureID_0223_Monitor" Accessibility="Internal" Enabled="true" Target="NetAppESeries.StorageArray" ParentMonitorID="NetAppESeries.StorageArrayAvailability" Remotable="true" Priority="Normal" TypeID="NetAppESeries.FailureUnitMonitorType" ConfirmDelivery="true" Comment="Machine generated entity">

  <Category>Custom</Category>

  <AlertSettings AlertMessage="NetAppESeries.REC_UNSUPPORTED_CACHE_MEMORY_SIZE_AlertMessageResourceID">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Data/Context/Property[@Name='FailureDescription']$</AlertParameter1>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="NetAppESeries.StateId5DF9E171131338C1DAE650871D4FD57D" MonitorTypeStateID="NoIssue" HealthState="Success"/>

    <OperationalState ID="NetAppESeries.StateId8BB212F8BCF30CFA5FC28C8E4DA59E2D" MonitorTypeStateID="IssueFound" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

    <FailureID>223</FailureID>

    <IntervalSeconds>59</IntervalSeconds>

    <TimeoutSeconds>300</TimeoutSeconds>

    <Trace>0</Trace>

  </Configuration>

</UnitMonitor>