Kdump hangs waiting for 3rd party storage device

Solution In Progress - Updated 2014-08-26T19:49:03+00:00 -

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Environment

• Red Hat Enterprise Linux 5

Issue

• Kdump hangs waiting for 3rd party storage device

Resolution

• Check for /etc/critical-disks to validate if a 3rd party kernel module is required to access that drive.
• Move /etc/critical-disks to a temporary file with a different name, touch /etc/kdump.conf, and restart the kdump service with service kdump restart

Root Cause

• The devices in file /etc/critical-disks need to become available before the kdump process can continue. This is an issue if you have blacklisted kernel modules within /etc/kdump.conf.

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