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

mkdumprd: omit dracut modules in case of network dumping

Browse Source 
In case of only network target, we can clearly and safely
remove more unnecessary modules to reduce initramfs size,
and to enhance stability.

Signed-off-by: Xunlei Pang <xlpang@redhat.com>
Acked-by: Dave Young <dyoung@redhat.com>
This commit is contained in:
Xunlei Pang 2017-07-07 15:48:58 +08:00 committed by Dave Young
parent 821d1af080
commit fb522e972c
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
mkdumprd
View File

@ -385,12 +385,13 @@ crypt_exists=0
omit_dracut_modules()
{
local target majmin
local dm_exists
local dm_exists network_only
# Skip fadump case
is_fadump_capable && return
dm_exists=0
network_only=1
for target in $(get_kdump_targets); do
if [ -b "$target" ]; then
@ -398,6 +399,9 @@ omit_dracut_modules()
# Check "dm"
check_block_and_slaves is_dm $majmin && dm_exists=1
fi
# Check nfs/ssh dumping
[[ "$target" != "nfs" && "$target" != "ssh" ]] && network_only=0
done
# Omit "crypt", BZ1451717
@ -410,6 +414,12 @@ omit_dracut_modules()
# "dm_exists=0" implies "crypt_exists=0"
add_dracut_arg "--omit" "lvm dm multipath dmraid"
fi
# Further omit more modules in case of nfs/ssh dumping
if [ "$network_only" == "1" ]; then
# "network_only=1" implies "dm_exists=0"
add_dracut_arg "--omit" "iscsi fcoe fcoe-uefi"
fi
}
if ! check_resettable; then