kexec-tools/kdump.conf

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# Configures where to put the kdump /proc/vmcore files
#
# This file contains a series of commands to perform (in order) when a
# kernel crash has happened and the kdump kernel has been loaded
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#
# Currently only one dump target and path may be configured at once
# if the configured dump target fails, the default action will be preformed
# the default action may be configured with the default directive below
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#
# Basics commands supported are:
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# raw <partition> - Will dd /proc/vmcore into <partition>.
#
# net <nfs mount> - Will mount fs and copy /proc/vmcore to
# <mnt>/var/crash/%HOST-%DATE/, supports DNS.
#
# net <user@server> - Will scp /proc/vmcore to
# <user@server>:/var/crash/%HOST-%DATE/, supports DNS
# NOTE: make sure user has necessary write
# permissions on server
#
# <fs type> <partition> - Will mount -t <fs type> <partition> /mnt and copy
# /proc/vmcore to /mnt/var/crash/%DATE/.
# NOTE: <partition> can be a device node, label or uuid.
#
# path <path> - Append path to the filesystem device which you are
# dumping to. Ignored for raw device dumps.
# If unset, will default to /var/crash.
#
# core_collector makedumpfile <options>
# This directive allows you to use the dump filtering
# program makedumpfile to retrieve your core, which on
# some arches can drastically reduce core file size.
# See /sbin/makedumpfile --help for a list of options.
# Note that the -i and -g options are not needed here,
# as the initrd will automatically be populated with
# a config file appropriate for the running kernel.
#
# link_delay <seconds>
# Some network cards take a long time to initialize, and
# some spanning tree enabled networks do not transmit
# user traffic for long periods after a link state
# changes. This optional parameter defines a wait
# period after a link is activated in which the
# initramfs will wait before attempting to transmit
# user data.
# default <reboot | shell>
# if all of the above fail, do the default action.
# reboot: If the default action is reboot simply reboot
# the system and loose the core that you are
# trying to retrieve.
# shell: If the default action is shell, then drop to
# an msh session inside the initramfs from
# where you can try to record the core manually.
# Exiting this shell reboots the system.
# NOTE: If no default action is specified, the initramfs
# will mount the root file system and run init.
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#raw /dev/sda5
#ext3 /dev/sda3
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#ext3 LABEL=/boot
#ext3 UUID=03138356-5e61-4ab3-b58e-27507ac41937
#net my.server.com:/export/tmp
#net user@my.server.com
#path /var/crash
#core_collector makedumpfile -c
#link_delay 60
#default shell