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Exadata DB Node failing to boot with kernel panic after taking a Snapshot-based Backup (Doc ID 1536739.1)

Last updated on APRIL 21, 2020

Applies to:

Linux OS - Version Oracle Linux 5.1 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Linux x86

Symptoms

The Exadata DB node goes into kernel panic and reboots in a cycle.

The last message prior to rebooting from the ilom console session is kernel panic with mounting /dev/root failed like:

Mounting root file system.

mount: error mounting /dev/root on /sysroot as ext3: Device or resource busy

 

<snip>

switchroot: mount failed: No such file or directory

Kernel panic - not syncing: Attempted to kill init!

 

 

Changes

After creating a LVM snapshot of the /(root) as follow:

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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