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lvm2/scripts/lvm2_cluster_activation_red_hat.sh.in

71 lines
1.5 KiB
Bash

#!/bin/bash
sbindir=@sbindir@
lvm_vgchange=${sbindir}/vgchange
lvm_vgscan=${sbindir}/vgscan
lvm_vgs=${sbindir}/vgs
lvm_lvm=${sbindir}/lvm
parse_clustered_vgs() {
while read -r name attrs;
do
test "${attrs:5:1}" == 'c' && echo -n "$name "
done
}
# NOTE: replace this with vgs, once display filter per attr is implemented.
clustered_vgs() {
${lvm_vgs} -o vg_name,vg_attr --noheadings | parse_clustered_vgs
}
activate() {
eval local $(${lvm_lvm} dumpconfig devices/obtain_device_list_from_udev 2>/dev/null) 2>/dev/null
if [ $? -ne 0 ]; then
echo "Warning: expected single couple of key=value in output of dumpconfig"
fi
if [ -z $obtain_device_list_from_udev -o $obtain_device_list_from_udev -ne 1 ]; then
echo -n "lvm.conf option obtain_device_list_from_udev!=1: Executing vgscan"
${lvm_vgscan} > /dev/null 2>&1
fi
echo -n "Activating ${LVM_VGS:-"all VG(s)"}: "
# Respect activation/auto_activation_volume_list!
# Call "-aay" which is equal to "-aly" but respects this list.
${lvm_vgchange} -aay $LVM_VGS || return 1
return 0
}
deactivate()
{
# NOTE: following section will be replaced by blkdeactivate script
# with option supporting request to deactivate all clustered volume
# groups in the system
[ -z $LVM_VGS ] && LVM_VGS="$(clustered_vgs)"
if [ -n "$LVM_VGS" ]; then
echo -n "Deactivating clustered VG(s): "
${lvm_vgchange} -anl $LVM_VGS || return 1
fi
return 0
}
case "$1" in
deactivate)
deactivate
rtrn=$?
;;
activate)
activate
rtrn=$?
;;
*)
echo $"Usage: $0 {activate|deactivate}"
rtrn=3
;;
esac
exit $rtrn