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To resolve the problem, fix the Logical Volume Management (LVM) setting:

Enter the root password on the "Give root password for maintenance" prompt.

Click image to enlarge.
Run "# fsck /dev/mapper/IWSVA-app_data" and answer the prompt with “yes”. Wait for the process to complete.

Click image to enlarge.

Keywords: unexpected inconsistency,power failure,power outage causes internet access problem,unexpected inconsistency error,fix logical volume management,fsck /dev/mapper/IWSVA-app_data

“/dev/mapper/IWSVA-app_data: UNEXPECTED INCONSISTENCY” error occurs after a power failure

Product / Version includes:

Interscan Web Security Virtual Appliance 6.0

Last updated: 2025/05/08

Solution ID: KA-0004369

Category: Configure , Troubleshoot

Summary

After a power failure, you experience the following scenarios in InterScan Web Security Virtual Appliance (IWSVA):

You are unable to log in to the web console
The proxy is not working properly
The following error appears in the CLI:
/dev/mapper/IWSVA-app_data: UNEXPECTED INCONSISTENCY: RUN fsck MANUALLY.

Click image to enlarge.

When you run "vgdisplay" and "lvdisplay" commands, this error appears:

File-based locking initialisation failed.

To resolve the problem, fix the Logical Volume Management (LVM) setting:

Enter the root password on the "Give root password for maintenance" prompt.

Click image to enlarge.
Run "# fsck /dev/mapper/IWSVA-app_data" and answer the prompt with “yes”. Wait for the process to complete.

Click image to enlarge.

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