Upgrading NBU Master Server from RHEL 8.6 to 8.8 Causes VCS CVM to be Faulted

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Article ID: 100065580

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Updated On:

Description

Error Message

VxVM vxdisk ERROR V-5-1-684 IPC failure: Configuration daemon is not accessible

 

Cause

The root cause of this issue is a compatibility problem between the upgraded RHEL version and the Cluster Server. The upgrade to RHEL 8.8 has introduced changes that are not fully compatible with the current version of the Cluster Server.

 

Resolution

To resolve this issue, follow the steps below:

  1. Apply the required patch:

    • For kernel version 4.18.0-477.43.1, apply the necessary patch to ensure compatibility with the upgraded RHEL version.

  2. Restart the Cluster Server:

    • After applying the patch, restart the Cluster Server to ensure that the changes take effect.

  3. Verify the CVM status:

    • Check the status of the CVM after the restart to ensure that it is now online and functioning properly.

 

Issue/Introduction

After upgrading the Netbackup (NBU) master server from RHEL 8.6 to 8.8, the Cluster Volume Manager (CVM) shows as OFFLINE FAULTED.
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