Kdump Starts Failed with "Rootfs device xxx is not resettable, can not be used as the default target, please specify a default action" (Doc ID 1354307.1)

Last updated on MARCH 08, 2017

Applies to:

Linux OS - Version: Oracle Linux 6.1 and later   [Release: OL6U1 and later ]
Information in this document applies to any platform.

Symptoms

When you try to start kdump service on OEL6(Oracle Enterprise Linux 6), it is possible on some hardware(say Proliant DL380 G5)you could get below error:

# service kdump start
No kdump initial ramdisk found. [WARNING]
Rebuilding /boot/initrd-2.6.32-131.2.1.el6.x86_64kdump.img
Rootfs device /dev/cciss/c0d0p3 is not resettable, can not be used as the default target, please specify a default action Failed to run mkdumprd

Changes

Setup kdump service on OEL6.

Cause

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