problemas al iniciar pgpool-II

Buenos dias, presento el siguiente problema al iniciar el pgpool-II

para iniciar yo ejecuto esto

/opt/pgpool2/etc/init.d/pgpool2 start
[ ok . Starting pgpool-II: pgpool

y el me dice que est'a iniciado, si localizo el log me dice lo siguiente
tail -f /var/log/syslog

Mar 25 07:23:59 master kernel: [ 31.836830] postgres (2091): /proc/2091/oom_adj is deprecated, please use /proc/2091/oom_score_adj instead.
Mar 25 07:28:44 master pgpool: /dev/null 2
Mar 25 07:29:53 master pgpool: /dev/null 2
Mar 25 07:32:08 master pgpool: 2014-03-25 07:32:08 ERROR: pid 2709: could not open pid file as /var/run/pgpool/pgpool.pid. reason: No such file or directory
Mar 25 07:34:32 master pgpool: 2014-03-25 07:34:32 ERROR: pid 2767: could not open pid file as /var/run/pgpool/pgpool.pid. reason: No such file or directory
Mar 25 07:41:02 master pgpool: 2014-03-25 07:41:02 ERROR: pid 2852: could not open pid file as /var/run/pgpool/pgpool.pid. reason: Permission denied
Mar 25 07:41:10 master pgpool: 2014-03-25 07:41:10 ERROR: pid 2882: could not open pid file as /var/run/pgpool/pgpool.pid. reason: Permission denied
Mar 25 07:42:21 master pgpool: 2014-03-25 07:42:21 LOG: pid 2946: Backend status file /var/run/postgresql/pgpool_status does not exist
Mar 25 07:42:21 master pgpool: 2014-03-25 07:42:21 LOG: pid 2946: pgpool-II successfully started. version 3.0.3 (umiyameboshi)
Mar 25 08:03:17 master pgpool: pid file found. is another pgpool(2946) is running?

alguien podría ayudarme a solucionar el problema?

Marcos M. Martínez Pérez
Universidad de las Ciencias Informáticas
------------------------
Una amistad verdadera no es ser inseparables,
es ser capaz de separarse y no cambiar.

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