Contents

1   Introduction

This instruction concerns alarm handling for the Storage Engine, DS Cluster in Maintenance Mode alarm.

1.1   Alarm Description

This alarm is raised when a Data Store (DS) Storage Engine is in maintenance mode.

The possible alarm causes and the corresponding fault reasons, fault locations, and impacts are described in Table 1.

Table 1    Alarm Causes

Alarm Cause	Description	Fault Reason	Fault Location	Impact
DS Storage Engine in maintenance mode.	A DS cluster has entered maintenance mode.	The DS was manually set to maintenance mode. Failed restore of the DS. Failed restart of the DS,	Affected DS.	Affected DS cluster cannot provide service.

The alarm attributes are listed and explained in Table 2.

Table 2    Alarm Attributes

Attribute Name	Attribute Value
Auto Cease	Yes
Module	STORAGE-ENGINE
Error Code	13
Timestamp First	Date and time when the alarm was raised for the first time.
Repeated Counter	Number which indicates how many times the alarm was raised.
Timestamp Last	Date and time of the most recent alarm raise.
Resource ID	.1.3.6.1.4.1.193.169.1.2.13.<DG>
Alarm Model Description	Cluster in maintenance mode, Storage Engine.
Alarm Active Description	Storage Engine (DS-group #<DG>): Storage Engine is in maintenance mode.
ITU Alarm Event Type	processingErrorAlarm (4)
ITU Alarm Probable Cause	softwareProgramError (546)
ITU Alarm Perceived Severity	(6) – Warning
Originating source IP	Node IP where the alarm was raised.
Sequence Number	Number which indicates the order in which the alarms are raised.

In Table 2, the indicated variables are as follows:

• <DG> is the DSG (DS Unit Group) this cluster belongs to.

For further information about field description, refer to CUDB Node Fault Management Configuration Guide, Reference [1].

1.2   Prerequisites

This section provides information on the documents, tools, and conditions that apply to the procedure.

1.2.1   Documents

Before starting this procedure, ensure that you have read the following documents:

• CUDB Node Fault Management Configuration Guide, Reference [1], regarding alarm configuration.
• System Safety Information, Reference [4]
• Personal Health and Safety Information, Reference [5]

1.2.2   Tools

Not applicable.

1.2.3   Conditions

Not applicable.

2   Procedure

Do the following:

1. Check if the cluster was ordered to enter maintenance mode. Refer to CUDB Node Logging Events, Reference [2] for more information on the logs to check.
2. If the cluster was not ordered to enter maintenance mode, and the alarm does not cease automatically, then contact the next level of maintenance support. Further actions are outside the scope of this Operating Instruction.

Glossary

For the terms, definitions, acronyms and abbreviations used in this document, refer to CUDB Glossary of Terms and Acronyms, Reference [3].

Reference List

CUDB Documents
[1] CUDB Node Fault Management Configuration Guide.
[2] CUDB Node Logging Events.
[3] CUDB Glossary of Terms and Acronyms.

Other Ericsson Documents
[4] System Safety Information.
[5] Personal Health and Safety Information.