rg_test reports "[: too many arguments" error message while activating HA-LVM resource.

Issue

• rg_test reports [: too many arguments error message while activating HA-LVM resource configured in cluster:

[root@machine1 ~]# rg_test test /etc/cluster/cluster.conf start service service1
Running in test mode.
[...]
Loading resource rule from /usr/share/cluster/fence_scsi_check.pl
Starting service1...
  volume_list=["vg_machine1", "@machine1"]
<notice> Activating vg1/ha_lv
[lvm] Activating vg1/ha_lv
  Logical volume "ha_lv" changed
<notice> Making resilient : lvchange -ay vg1/ha_lv
[lvm] Making resilient : lvchange -ay vg1/ha_lv
/usr/share/cluster/lvm_by_lv.sh: line 46: [: too many arguments             <<----------
<notice> Resilient command: lvchange -ay vg1/ha_lv --config devices{filter=["a|/dev/mapper/mpatha|","a|/dev/vda2|","r|.*|"]}
[lvm] Resilient command: lvchange -ay vg1/ha_lv --config devices{filter=["a|/dev/mapper/mpatha|","a|/dev/vda2|","r|.*|"]}
  Reading all physical volumes.  This may take a while...
  Found volume group "vg1" using metadata type lvm2
  Found volume group "vg_machine1" using metadata type lvm2
<info>   mounting /dev/dm-9 on /mnt/ext3_resource
[fs] mounting /dev/dm-9 on /mnt/ext3_resource
<err>    mount -t ext3  /dev/dm-9 /mnt/ext3_resource
[fs] mount -t ext3  /dev/dm-9 /mnt/ext3_resource
Start of service1 complete
[root@machine1 ~]#