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HUAWEI CLOUD Stack 6.5.0 Alarm and Event Reference 04

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ALM-9215 System Disk Usage Exceeding the Threshold

ALM-9215 System Disk Usage Exceeding the Threshold

Description

The FusionSphere OpenStack OM alarm module checks disk partition usages every 15 minutes. If the usage of a partition exceeds 70%, a major alarm is generated. If the usage of a partition exceeds 90%, a critical alarm is generated.

Attribute

Alarm ID

Alarm Severity

Auto Clear

9215

Critical/Major

Yes

Parameters

Name

Meaning

Fault Location Info

None

Additional Info

The system has a disk with its usage exceeding the threshold [%s%%], detail info:%s (Note: [%s%%] indicates the directory that exceeds the alarm threshold, and %s indicates that the disk usage exceeds 70% or 90%.)

Impact on the System

The services running in the system may be adversely affected.

When the usage of the db partition in the /opt/goku/data/ directory is greater than or equal to 98%, the system will automatically stop.

Possible Causes

  • System and user processes have generated an excessive number of temporary files.
  • Large files are manually created in the system.

Procedure

  1. Use PuTTY to log in to Service OM.

    Ensure that the Service OM management floating IP address and username galaxmanager are used to establish the connection.

    Default username: galaxmanager ; default password: IaaS@OS-CLOUD9!

    NOTE:

    Log in to the FusionSphere OpenStack web client. For details, see Logging In to the FusionSphere OpenStack Web Client (ManageOne Mode). Choose Cloud Service > FusionSphere OpenStack OM and view VM List to obtain the management floating IP address.

  2. Run the following command and enter the password of user root to switch to user root:

    su - root

    The default password is IaaS@OS-CLOUD8!.

  3. Run the following command to disable user logout upon system timeout:

    TMOUT=0

  4. Run the following command to view the usage of disk partitions:

    df -h

    Filesystem                     Size  Used Avail Use% Mounted on
    /dev/vda1                      6.0G  1.3G  4.7G  22% /
    devtmpfs                       4.8G     0  4.8G   0% /dev
    tmpfs                          4.8G     0  4.8G   0% /dev/shm
    tmpfs                          4.8G  505M  4.4G  11% /run
    tmpfs                          4.8G     0  4.8G   0% /sys/fs/cgroup
    /dev/mapper/vg_om-lv_home      5.0G   33M  5.0G   1% /home
    /dev/mapper/vg_om-lv_sysback  1014M   33M  982M   4% /sysback
    /dev/mapper/vg_om-lv_var       4.0G   98M  3.9G   3% /var
    /dev/mapper/vg_om-lv_tmp       3.0G   33M  3.0G   2% /tmp
    /dev/mapper/vg_om-lv_log       6.0G   87M  6.0G   2% /var/log
    /dev/mapper/vg_om-lv_goku      8.0G   81M  8.0G   1% /var/log/goku
    /dev/mapper/vg_om-lv_opt        10G  2.0G  8.0G  20% /opt
    /dev/mapper/vg_om-lv_gmbackup  6.0G   55M  6.0G   1% /opt/gmbackup
    /dev/mapper/vg_om-lv_data       21G   43M   21G   1% /opt/goku/data
    /dev/mapper/vg_om-lv_db        6.0G  418M  5.6G   7% /opt/goku/data/db
    tmpfs                          983M     0  983M   0% /run/user/0
    tmpfs                          983M     0  983M   0% /run/user/2000   

    Usage information about each partition is displayed. The Mounted on column shows the partition names and the Use% column shows the partition usage.

  5. Process the partitions whose usage exceeds 70% based on the operations provided in Table 3-8.
  6. Run the following command to view the usage of disk partitions: Check whether the usage of any other disk partition exceeds 70%.

    df -h

    • If yes, go to 5.
    • If no, go to 7.

  7. Click Monitoring. On the alarm list page, locate the row that contains the alarm and click clear to clear the alarm.
  8. Check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, contact technical support for assistance.

Related Information

NOTE:

If the system displays a message indicating that you do not have the permission to delete the file, switch to the engineering mode and then delete the file.

If you encounter any issue during the operation, contact technical support for assistance.

If the usage of Service OM disk partitions has exceeded 70%, use different methods to reduce the partition usage based on various partition types. For details, see Table 3-8.

Table 3-8 Methods for reducing the usage of different Service OM disk partitions

Partition Name

Impact of Fully Occupied Disk Partition

Method of Reducing the Partition Usage

/opt/goku/data/db

The database fails to run properly, and Service OM cannot provide services properly.

  • Switch to the disk partition and manually delete unnecessary files.
  • If the disk partition usage has exceeded 90%, contact technical support for assistance.

/opt/goku/data

Service OM services fail to run properly.

Switch to the disk partition and manually delete unnecessary files.

Others

The OS and Service OM fail to run properly.

Switch to the disk partition and manually delete unnecessary files.

NOTE:

Unnecessary files are manually uploaded by users or engineers or generated after a certain operation is performed. If a file is not uploaded or generated in the preceding two situations and cannot be determined whether it is an unnecessary file, contact technical support for assistance.

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Updated: 2019-08-30

Document ID: EDOC1100062365

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