CriticalCECountMemErrAlertが原因でコントローラのステータスがデグレードになります

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環境

FAS9000
FAS8300

問題

コントローラのステータスがデグレードと表示される状況は次のとおり

cluster::> system controller show

Controller Name System ID Serial Number Model Status

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

cluster-01 512345785 701234567892 FAS9000 degraded

cluster-02 512345787 701234567893 FAS9000 ok

2entries were displayed.

次のヘルスアラートがログに記録されます。

cluster::> system health alert show

Node: cluster-01

Resource: DIMM-15

Severity: Critical

Indication Time: Thu Aug 26 04:20:47 2021

Suppress: false

Acknowledge: false

Probable Cause: The DIMM has degraded, leading to memory errors.

Possible Effect: Memory issues can lead to a catastrophic system panic,

which can lead to data downtime on the node.

Corrective Actions: 1. Contact technical support to obtain a new DIMM of the same specification.

2. If possible, perform a takeover of this node and bring the node down for maintenance.

3. Refer to the DIMM replacement guide for your given hardware platform to replace the DIMM.

4. Bring the storage system online.

cluster::> system health alert show -instance

Node: cluster-01

Monitor: controller

Alert ID: CriticalCECCCountMemErrAlert

Alerting Resource: DIMM-15

Subsystem: Memory

Indication Time: Thu Aug 26 04:20:47 2021

Perceived Severity: Critical

Probable Cause: DIMM_Degraded

Description: The DIMM has degraded, leading to memory errors.

Corrective Actions: 1. Contact technical support to obtain a new DIMM of the same specification.

2. If possible, perform a takeover of this node and bring the node down for maintenance.

3. Refer to the DIMM replacement guide for your given hardware platform to replace the DIMM.

4. Bring the storage system online.

Possible Effect: Memory issues can lead to a catastrophic system panic, which can lead to data downtime on the node.

Acknowledge: false

Suppress: false

Policy: CriticalCECCCountMemErrAlertPolicy

Acknowledger: -

Suppressor: -

Additional Information: Slot Name: DIMM-15

CPU Socket: 0

Channel: 0

Slot number on a channel: 1

Correctable ECC error count: 1075

Uncorrectable ECC error count: 0

Correctable ECC error Limit: 500

Node Serial Number: 701234567892

Node Model: FAS9000

Alerting Resource Name: DIMM-15

Additional Alert Tags: device