pacemaker crmコマンドでcommitが効かない

pacemaker&corosyncを利用してHAを組んでますが、
crmでcommitするとエラーが発生します。
エラーになる原因がわかれば教えていただけますか。

エラーの文言は以下のとおりです。

crm(live)configure# commit
Call cib_apply_diff failed (-62): Timer expired
ERROR: could not patch cib (rc=62)

詳細の操作ログ

bash
1 crm status
2Last updated: Fri Jul 17 18:50:55 2015
3Last change: Fri Jul 17 13:25:36 2015 via crmd on drbd04
4Stack: corosync
5Current DC: NONE
62 Nodes configured
70 Resources configured
8
9
10Node drbd01 (2): UNCLEAN (offline)
11Node drbd04 (1): UNCLEAN (offline)
12

bash
1 crm configure
2crm(live)configure# edit
3全部消して保存
4crm(live)configure# commit
5INFO: apparently there is nothing to commit
6INFO: try changing something first
7crm(live)configure# edit
8crm(live)configure# commit
9Call cib_apply_diff failed (-62): Timer expired
10ERROR: could not patch cib (rc=62)
11INFO: offending xml diff: <diff crm_feature_set="3.0.7">
12  <diff-removed>
13    <cib epoch="3">
14      <configuration>
15        <crm_config>
16          <cluster_property_set id="cib-bootstrap-options" __crm_diff_marker__="removed:top">
17            <nvpair id="cib-bootstrap-options-dc-version" name="dc-version" value="1.1.10-42f2063"/>
18            <nvpair id="cib-bootstrap-options-cluster-infrastructure" name="cluster-infrastructure" value="corosync"/>
19          </cluster_property_set>
20        </crm_config>
21        <nodes>
22          <node id="2" uname="drbd01" __crm_diff_marker__="removed:top"/>
23          <node id="1" uname="drbd04" __crm_diff_marker__="removed:top"/>
24        </nodes>
25      </configuration>
26    </cib>
27  </diff-removed>
28  <diff-added>
29    <cib epoch="4" num_updates="0" admin_epoch="0" validate-with="pacemaker-1.2" cib-last-written="Fri Jul 17 13:25:36 2015" crm_feature_set="3.0.7" update-origin="drbd04" update-client="crmd"/>
30  </diff-added>
31</diff>