• MapReduce Service

mrs
  1. Help Center
  2. MapReduce Service
  3. User Guide
  4. MRS Manager Operation Guide
  5. Alarm Reference
  6. ALM-12042 Key File Configurations Are Abnormal

ALM-12042 Key File Configurations Are Abnormal

Description

The system checks key file configurations every hour. This alarm is generated when any key configuration is abnormal.

This alarm is cleared when the configuration becomes normal.

Attribute

Alarm ID

Alarm Severity

Automatically Cleared

12042

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.

PathName

Specifies the file path or file name.

Impact on the System

Functions related to the file are abnormal.

Possible Causes

The user has manually modified the file configurations or the system has experienced an unexpected power-off.

Procedure

  1. Check the file configurations.

    1. On MRS Manager, click Alarm.
    2. In the details of the alarm, query the HostName (name of the alarmed host) and PathName (path or name of the involved file).
    3. Log in to the alarm node.
    4. Manually check and modify the file configurations according to the criteria in Related Information.
    5. Wait until the next system check is complete and check whether the alarm is cleared.
      • If yes, no further action is required.
      • If no, go to Step 2.

  2. Collect fault information.

    1. On MRS Manager, choose System > Export Log.
    2. Contact technical support engineers for help, detail see technical support.

Related Information

  • Checking /etc/fstab

    Check whether partitions configured in /etc/fstab exist in /proc/mounts and whether swap partitions configured in /etc/fstab match those in /proc/swaps.

  • Checking /etc/hosts

    Run the cat /ect/hosts command. If any of the following situations exists, the file configurations are abnormal.

    • The /ect/hosts file does not exist.
    • The host name is not configured in the file.
    • The IP address of the host is duplicate.
    • The IP address of the host does not exist in the ipconfig list.
    • An IP address in the file is used by multiple hosts.