lvm2/mkinitrd-setup.sh

45 lines
1.1 KiB
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#!/bin/bash
#
#%stage: volumemanager
#%depends: evms
#
# get information about the current blockdev
update_blockdev
# Check whether we are using LVM2 (only available when not using EVMS)
if [ -z "$root_evms" ] && [ -x /sbin/lvdisplay ] ; then
lvm_blockdev=
for bd in $blockdev; do
update_blockdev $bd
vg_name=$(lvdisplay -c 2> /dev/null | sed -n "/.*:$blockmajor:$blockminor/p")
vg_dev=${vg_name%%:*}
vg_name=${vg_name#*:}
vg_root=${vg_name%%:*}
if [ "$vg_root" ] ; then
local vg_blockdev
root_lvm2=1
realrootdev=${vg_dev## }
vg_blockdev=$(vgs --noheadings --options pv_name $vg_root 2> /dev/null | sed "s@,@\n@g" | sed "s@([0-9]*)@@g;s@ @@g" | sort | uniq)
lvm_blockdev="$lvm_blockdev $vg_blockdev"
[ $? -eq 0 ] || return 1
vg_roots="$vg_roots $vg_root"
else
lvm_blockdev="$lvm_blockdev $bd"
fi
done
blockdev="$lvm_blockdev"
fi
if use_script lvm2; then
tmp_root_dm=1 # lvm needs dm
mkdir -p $tmp_mnt/etc/lvm
mkdir -p $tmp_mnt/var/lock/lvm
cp -a /etc/lvm/lvm.conf $tmp_mnt/etc/lvm
fi
save_var root_lvm2
save_var vg_roots