Help Center> MapReduce Service> User Guide (ME-Abu Dhabi Region)> MRS Manager Operation Guide (Applicable to 2.x and Earlier Versions)> Alarm Reference (Applicable to Versions Earlier Than MRS 3.x)> ALM-12033 Slow Disk Fault
Updated on 2022-12-08 GMT+08:00
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ALM-12033 Slow Disk Fault

Description

The system runs the iostat command every second to monitor the disk I/O indicator. If there are more than 30 times that the svctm value is greater than 100 ms in 60 seconds, the disk is faulty and the alarm is generated.

This alarm is automatically cleared after the disk is replaced.

Attribute

Alarm ID

Alarm Severity

Auto Clear

12033

Major

Yes

Parameters

Parameter

Description

ServiceName

Specifies the service for which the alarm is generated.

RoleName

Specifies the role for which the alarm is generated.

HostName

Specifies the host for which the alarm is generated.

DiskName

Specifies the disk for which the alarm is generated.

Impact on the System

Service performance deteriorates and service processing capabilities become poor. For example, DBService active/standby synchronization is affected and even the service is unavailable.

Possible Causes

The disk is aged or has bad sectors.

Procedure

  1. Collect fault information.

    1. On MRS Manager, choose System > Export Log.
    2. Contact the O&M personnel and send the collected logs.

Reference

None