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introduce the auto_reset_crashkernel option to kdump.conf

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This option will determine whether to reset kernel crashkernel
to new default value or not when kexec-tools updates the default
crashkernel value and existing kernels using the old default kernel
crashkernel value. Default to yes.

Reviewed-by: Pingfan Liu <piliu@redhat.com>
Reviewed-by: Philipp Rudo <prudo@redhat.com>
Signed-off-by: Coiby Xu <coxu@redhat.com>
This commit is contained in:
Coiby Xu 2021-11-15 15:45:59 +08:00
parent 140da74a34
commit 73ced7f451
2 changed files with 13 additions and 0 deletions
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7
kdump.conf
View File

@ -11,6 +11,12 @@
#
# Supported options:
#
# auto_reset_crashkernel <yes|no>
# - whether to reset kernel crashkernel to new default value
# or not when kexec-tools updates the default crashkernel value and
# existing kernels using the old default kernel crashkernel value.
# The default value is yes.
#
# raw <partition>
# - Will dd /proc/vmcore into <partition>.
# Use persistent device names for partition devices,
@ -170,6 +176,7 @@
#ssh user@my.server.com
#ssh user@2001:db8::1:2:3:4
#sshkey /root/.ssh/kdump_id_rsa
auto_reset_crashkernel yes
path /var/crash
core_collector makedumpfile -l --message-level 7 -d 31
#core_collector scp

6
kdump.conf.5
View File

@ -26,6 +26,12 @@ understand how this configuration file affects the behavior of kdump.
.SH OPTIONS
.B auto_reset_crashkernel <yes|no>
.RS
determine whether to reset kernel crashkernel to new default value
or not when kexec-tools updates the default crashkernel value and
existing kernels using the old default kernel crashkernel value
.B raw <partition>
.RS
Will dd /proc/vmcore into <partition>. Use persistent device names for