Here is the bpbkar log on the client:
Why is it excluding /gluster_volume/ only?
15:21:26.174 [52766] <4> bpbkar main: real locales <C>
15:21:26.174 [52766] <4> bpbkar main: standardized locales - mnt_lc_messages <C> mnt_lc_ctype <C> mnt_lc_time <C> mnt_lc_collate <C> mnt_lc_numeric <C>
15:21:26.200 [52766] <2> logparams: bpbkar -r 5356800 -ru root -dt 0 -to 0 -bpstart_time 1412364383 -clnt VL-MD-TVMOAM002-BK -class AUTO_UNIX_BK005_MO -sched FULL -st FULL -bpstart_to 300 -bpend_to 300 -read_to 1800 -blks_per_buffer 512 -use_otm -throttle -throttle_kbytes 12500 -b VL-MD-TVMOAM002-BK_1412364083 -kl 30 -use_ofb
15:21:26.200 [52766] <2> bpbkar main: hole_granularity = 256.
15:21:26.203 [52766] <4> bpbkar: INF - setenv KEYWORD=NONE
15:21:26.203 [52766] <4> bpbkar: INF - setenv STREAM_PID=52766
15:21:26.203 [52766] <4> bpbkar: INF - setenv STREAM_NUMBER=0
15:21:26.203 [52766] <4> bpbkar: INF - setenv STREAM_COUNT=0
15:21:26.203 [52766] <4> bpbkar: INF - setenv STREAMS=0
15:21:26.203 [52766] <4> bpbkar: INF - setenv BPSTART_TIMEOUT=300
15:21:26.203 [52766] <4> bpbkar: INF - setenv BPEND_TIMEOUT=300
15:21:26.203 [52766] <4> bpbkar: INF - setenv RESTARTED=0
15:21:26.203 [52766] <4> bpbkar: INF - setenv BACKUPID=VL-MD-TVMOAM002-BK_1412364083
15:21:26.203 [52766] <4> bpbkar: INF - setenv UNIXBACKUPTIME=1412364083
15:21:26.203 [52766] <4> bpbkar: INF - setenv BACKUPTIME=Fri Oct 3 15:21:23 2014
15:21:26.204 [52766] <4> bpbkar: INF - BACKUP START 52766
15:21:26.204 [52766] <4> bpbkar: INF - Estimate:-1 -1
15:21:26.208 [52766] <2> bpbkar add_to_filelist: starting sizeof(filelistrec) <128>
15:21:26.208 [52766] <4> bpbkar: INF - Throttle duration required = 40960 usec.
15:21:26.208 [52766] <4> bpbkar: start to backup filelist / ,nb_fscp_enabled is 0
15:21:26.208 [52766] <4> bpbkar: INF - Processing /
15:21:26.220 [52766] <4> bpbkar: Device changing from 0 to 64768
15:21:26.220 [52766] <4> check_file_sparseness: File </core> is probably sparse. Size = 32808960 st_blocks = 1400 block_size = 512, fstype = 37
15:21:26.254 [52766] <2> fscp_is_tracked: disabled tla_init
15:21:26.255 [52766] <8> bpbkar: WRN - [/proc] is on file system type PROC. Skipping
15:21:26.255 [52766] <4> bpbkar: Device changing from 64768 to 2049
15:21:33.243 [52766] <4> bpbkar: Device changing from 2049 to 64768
15:21:33.857 [52766] <4> is_excluded: Excluded /gluster_volume by exclude_list entry /gluster_volume/
15:21:35.188 [52766] <4> check_file_sparseness: File </etc/mail/mailertable.db> is probably sparse. Size = 12288 st_blocks = 16 block_size = 512, fstype = 37
15:21:35.188 [52766] <4> check_file_sparseness: File </etc/mail/virtusertable.db> is probably sparse. Size = 12288 st_blocks = 16 block_size = 512, fstype = 37
15:21:35.209 [52766] <4> check_file_sparseness: File </etc/mail/domaintable.db> is probably sparse. Size = 12288 st_blocks = 16 block_size = 512, fstype = 37
15:26:10.840 [45027] <16> bpbkar: ERR - bpbkar killed by SIGPIPE
15:26:10.840 [45027] <16> bpbkar: ERR - bpbkar FATAL exit status = 40: network connection broken
15:26:10.840 [45027] <4> bpbkar: INF - EXIT STATUS 40: network connection broken
15:26:10.840 [45027] <4> bpbkar: INF - setenv FINISHED=0