From: Hannes Reinecke <hare@xxxxxxx>
If a device-mapper device is not created by LVM it's pointless
to call any 'lvm' programs got extract details; they'll be
failing anyway. So check the UUID before calling 'lvm'.
This speeds up initrd creation and avoids I/O errors on
multipath devices.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
Signed-off-by: Thomas Renninger <trenn@xxxxxxx>
---
dracut-functions.sh | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/dracut-functions.sh b/dracut-functions.sh
index 17a71f0..edd8ea9 100755
--- a/dracut-functions.sh
+++ b/dracut-functions.sh
@@ -698,10 +698,12 @@ for_each_host_dev_and_slaves()
# but you cannot create the logical volume without the volume group.
# And the volume group might be bigger than the devices the LV needs.
check_vol_slaves() {
- local _lv _vg _pv
+ local _lv _vg _pv _dm
for i in /dev/mapper/*; do
[[ $i == /dev/mapper/control ]] && continue
_lv=$(get_maj_min $i)
+ _dm=/sys/dev/block/$_lv/dm
+ [[ -f $_dm/uuid && $(<$_dm/uuid) =~ LVM-* ]] || continue
if [[ $_lv = $2 ]]; then
_vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null)
# strip space
--
1.8.5.2
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