GlusterFS / add-brick fault ...

[root@lpr-nas01 patta]# gluster volume status pegasos_saving
Status of volume: pegasos_saving
Gluster process						Port	Online	Pid
------------------------------------------------------------------------------
Brick lpr-nas01:/brick-xiv1/pegasos_saving		49287	Y	44088
NFS Server on localhost					2049	Y	61479

Task Status of Volume pegasos_saving
------------------------------------------------------------------------------
There are no active volume tasks

[root@lpr-nas01 patta]# gluster volume add-brick pegasos_saving lpr-nas01:/brick-xiv2/pegasos_saving
volume add-brick: failed: /brick-xiv2/pegasos_saving is already part of a volume