[Pacemaker] What's wrong with pg_lvm_start_0

[hj]

I install drbd + lvm + postgresql + pacemaker on debian 6.
What's wrong with pg_lvm_start_0?

root at node1:/home/hj# crm_mon -1
============
Last updated: Wed Jan 23 16:36:34 2013
Stack: openais
Current DC: node1 - partition with quorum
Version: 1.0.9-74392a28b7f31d7ddc86689598bd23114f58978b
2 Nodes configured, 2 expected votes
3 Resources configured.
============

Online: [ node2 node1 ]

 Master/Slave Set: ms_drbd_pg
     Masters: [ node2 ]
     Slaves: [ node1 ]

Failed actions:
    pg_lvm_start_0 (node=node1, call=7, rc=1, status=complete): unknown error
    pg_fs_start_0 (node=node1, call=21, rc=5, status=complete): not installed
    pg_fs_start_0 (node=node2, call=14, rc=5, status=complete): not installed
    pg_lvm_start_0 (node=node2, call=7, rc=1, status=complete): unknown error
root at node1:/home/hj# crm configure show
node node1
node node2 \
	attributes standby="off"
primitive drbd_pg ocf:linbit:drbd \
	params drbd_resource="pg" \
	op monitor interval="15" \
	op start interval="0" timeout="240" \
	op stop interval="0" timeout="120"
primitive pg_fs ocf:heartbeat:Filesystem \
	params device="/dev/vgpg/lvdata" directory="/db/pgdata" options="" \
	fstype="ext3" \
	op start interval="0" timeout="60" \
	op stop interval="0" timeout="120"
primitive pg_lsb lsb:postgresql \
	op monitor interval="30" timeout="60" \
	op start interval="0" timeout="60" \
	op stop interval="0" timeout="60"
primitive pg_lvm ocf:heartbeat:LVM \
	params volgrpname="vgpg" \
	op start interval="0" timeout="30" \
	op stop interval="0" timeout="30"
primitive pg_vip ocf:heartbeat:IPaddr2 \
	params ip="192.168.1.200" iflabel="pgvip" \
	op monitor interval="5"
group PGServer pg_fs pg_lsb pg_vip
ms ms_drbd_pg drbd_pg \
	meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" \
	notify="true"
location cli-prefer-PGServer PGServer \
	rule $id="cli-prefer-rule-PGServer" inf: #uname eq node2
colocation col_pg_drbd inf: PGServer ms_drbd_pg:Master
order ord_pg inf: ms_drbd_pg:promote PGServer:start
property $id="cib-bootstrap-options" \
	dc-version="1.0.9-74392a28b7f31d7ddc86689598bd23114f58978b" \
	cluster-infrastructure="openais" \
	expected-quorum-votes="2" \
	stonith-enabled="false" \
	no-quorum-policy="ignore" \
	default-resource-stickiness="100"