rpms/kexec-tools
7
0
Fork 0
Code Issues Pull Requests Releases Activity

Add --force option to step 2 in early-kdump-howto.txt

Browse Source 
For step2 in early-kdump-howto.txt, --force option of dracut
is necessary to rebuild system initramfs. Without --force option,
executing step2 fails because system initramfs already exists.

Signed-off-by: Shigeki Morishima <s.morishima@jp.fujitsu.com>
Acked-by: Kairui Song <kasong@redhat.com>
This commit is contained in:
s.morishima@fujitsu.com 2020-02-06 02:52:24 +00:00 committed by Kairui Song
parent 2af3537dfa
commit a878ad0100
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
early-kdump-howto.txt
View File

@ -34,14 +34,16 @@ You can rebuild the initramfs with earlykdump support with below steps:
For the failure_action, you can choose anything other than "reboot". For the failure_action, you can choose anything other than "reboot".
2. rebuild system initramfs with earlykdump support. 2. rebuild system initramfs with earlykdump support.
# dracut --add earlykdump # dracut --force --add earlykdump
NOTE: Recommend to backup the original system initramfs before performing
this step to put it back if something happens during boot-up.
3. add rd.earlykdump in grub kernel command line. 3. add rd.earlykdump in grub kernel command line.
Note: Note:
[1]. Early kdump initramfs size will be large because it includes vmlinuz and [1]. Early kdump initramfs size will be large because it includes vmlinuz and
kdump initramfs. And for step 2 if you are sure to overwrite system initramfs kdump initramfs.
you can backup the original initramfs and use "--force" option.
[2]. Early kdump inherits the settings of normal kdump, so any changes that [2]. Early kdump inherits the settings of normal kdump, so any changes that
caused normal kdump rebuilding also require rebuilding the system initramfs caused normal kdump rebuilding also require rebuilding the system initramfs