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man: improve description about /etc/kdump/{pre.d,post.d}interface 

The description is identical to the notes in kdump.conf

Signed-off-by: Pingfan Liu <piliu@redhat.com>
Acked-by: Kairui Song <kasong@redhat.com>
This commit is contained in:
Pingfan Liu 2020-06-19 11:37:02 +08:00 committed by Kairui Song
parent 61d4fa72b5
commit 6dd2b9fb41
2 changed files with 20 additions and 0 deletions
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12
kdump.conf.5
View File

@ -109,6 +109,11 @@ status of the current dump process is fed to the kdump_post
executable as its first argument($1). Executable can modify
it to indicate the new exit status of succeeding dump process,
.PP
If /etc/kdump/post.d directory exists, All files in
the directory are collectively sorted and executed in
lexical order, before binary or script specified
kdump_post parameter is executed.
.PP
Note that scripts written for use with this directive must use
the /bin/bash interpreter.
.RE
@ -124,6 +129,13 @@ as follows:
.PP
non 0 - reboot the system
.PP
If /etc/kdump/pre.d directory exists, all files in
the directory are collectively sorted and executed in
lexical order, after binary or script specified
kdump_pre parameter is executed.
Even if the binary or script in /etc/kdump/pre.d directory
returns non 0 exit status, the processing is continued.
.PP
Note that scripts written for this directive must use
the /bin/bash interpreter.
.RE

8
kexec-kdump-howto.txt
View File

@ -543,6 +543,9 @@ It is possible to specify a custom script or binary you wish to run following
an attempt to capture a vmcore. The executable is passed an exit code from
the capture process, which can be used to trigger different actions from
within your post-capture executable.
If /etc/kdump/post.d directory exist, All files in the directory are
collectively sorted and executed in lexical order, before binary or script
specified kdump_post parameter is executed.
Kdump Pre-Capture Executable
----------------------------
@ -551,6 +554,11 @@ It is possible to specify a custom script or binary you wish to run before
capturing a vmcore. Exit status of this binary is interpreted:
0 - continue with dump process as usual
non 0 - reboot the system
If /etc/kdump/pre.d directory exists, all files in the directory are collectively
sorted and executed in lexical order, after binary or script specified
kdump_pre parameter is executed.
Even if the binary or script in /etc/kdump/pre.d directory returns non 0
exit status, the processing is continued.
Extra Binaries
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