my ENV:
master:solaris 8 nbu5.1 lan media server:solaris9 nbu5.1 san
when I backup my oracle database,sometimes it has a timed out between bpsched
and bpcd's communication

log:
master bpsched
01:12:31.652 [3579] <2> nb_getsockconnected: Connect to oraha on port 922

01:12:31.653 [3579] <2> logconnections: BPCD CONNECT FROM xxx.xxx.xxx.173.922
TO xxx.xxx.xxx.166.13782
01:12:39.900 [3557] <2> set_job_details: Done
01:12:50.712 [3595] <2> fork_unmount_all_tapes: forking unmount_all
01:13:14.900 [3557] <2> set_job_details: Done
01:13:20.732 [3596] <2> fork_unmount_all_tapes: forking unmount_all

01:13:20.763 [3598] <2> nb_getsockconnected: Connect to oraha on port 535

01:13:20.765 [3598] <2> logconnections: BPCD CONNECT FROM xxx.xxx.xxx.173.535
TO xxx.xxx.xxx.166.13782

01:13:31.660 [3579] <2> bpcr_connect: bpcr_connect timeout during select
after 60 seconds on port 699
01:13:31.661 [3579] <2> append_to_client_log: cannot connect to bpcd on client
oraha, Connection timed out
01:13:31.661 [3579] <8> update_proglog: failure logging message to client
oraha in log /usr/openv/netbackup/logs/user_ops/dbext/logs/16569.0.1115572292:
can't connect to client (5
01:13:31.661 [3579] <16> log_in_errorDB: failure logging message to client
oraha in log /usr/openv/netbackup/logs/user_ops/dbext/logs/16569.0.1115572292:
can't connect to client (5
01:13:50.782 [3599] <2> fork_unmount_all_tapes: forking unmount_all
01:13:52.900 [3557] <2> set_job_details: Done
01:14:20.802 [3600] <2> fork_unmount_all_tapes: forking unmount_all
01:14:26.900 [3557] <2> set_job_details: Done
01:14:50.822 [3601] <2> fork_unmount_all_tapes: forking unmount_all
01:14:59.900 [3557] <2> set_job_details: Done


media server:
01:14:05.249 [16716] <2> bpcd main: offset to GMT -28800
01:14:05.249 [16716] <2> logconnections: BPCD ACCEPT FROM xxx.xxx.xxx.173.922
TO xxx.xxx.xxx.166.13782
01:14:05.250 [16716] <2> bpcd main: setup_sockopts complete
01:14:05.256 [16716] <2> bpcd peer_hostname: Connection from host Fj163-Backup-Aws
(xxx.xxx.xxx.173) port 922
01:14:05.258 [16716] <2> bpcd valid_server: comparing Fj163-Backup-Aws and
Fj163-Backup-Aws
01:14:05.258 [16716] <4> bpcd valid_server: hostname comparison succeeded

01:14:05.259 [16716] <2> bpcd main: output socket port number = 699
01:14:05.259 [16716] <2> bpcd peer_hostname: Connection from host Fj163-Backup-Aws
(xxx.xxx.xxx.173) port 922
01:14:05.259 [16716] <2> bpcd main: Peer hostname is Fj163-Backup-Aws
01:14:05.259 [16716] <2> bpcd main: Got socket for output 5, lport = 59301:14:54.361
[16740] <2> bpcd main: offset to GMT -28800
01:14:54.361 [16740] <2> logconnections: BPCD ACCEPT FROM xxx.xxx.xxx.173.535
TO xxx.xxx.xxx.166.13782
01:14:54.362 [16740] <2> bpcd main: setup_sockopts complete
01:14:54.367 [16740] <2> bpcd peer_hostname: Connection from host Fj163-Backup-Aws
(xxx.xxx.xxx.173) port 535
01:14:54.370 [16740] <2> bpcd valid_server: comparing Fj163-Backup-Aws and
Fj163-Backup-Aws
01:14:54.370 [16740] <4> bpcd valid_server: hostname comparison succeeded

01:14:54.370 [16740] <2> bpcd main: output socket port number = 853
01:14:54.370 [16740] <2> bpcd peer_hostname: Connection from host Fj163-Backup-Aws
(xxx.xxx.xxx.173) port 535
01:14:54.370 [16740] <2> bpcd main: Peer hostname is Fj163-Backup-Aws
01:14:54.370 [16740] <2> bpcd main: Got socket for output 5, lport = 792

01:14:54.371 [16740] <2> bpcd main: Connected on output socket
01:14:54.371 [16740] <2> bpcd main: Duplicated socket on stderr
01:14:54.371 [16740] <2> bpcd main: <---- NetBackup 5.1 0 ------------initiated

01:14:54.371 [16740] <2> bpcd main: Not using VxSS authentication with Fj163-Backup-Aws

01:14:54.373 [16740] <2> bpcd main: BPCD_FORK_CMD_RQST
01:14:54.374 [16740] <2> bpcd main: fork cmd = /usr/openv/netbackup/bin/bptm
bptm -count -cmd -rt 8 -rn 0 -stunit oraha-sto-unit -de
n 14 -mt 2 -masterversion 510000
01:14:54.374 [16740] <2> bpcd main: filter type = -1
01:14:54.374 [16740] <2> bpcd main: backuptime before fork = 0
01:14:54.375 [16740] <2> bpcd exit_bpcd: exit status 0 ----------->exiting

01:14:54.375 [16741] <2> bpcd main: Converting args string into an argv
01:14:54.376 [16741] <2> bpcd main: Done converting args string into an argv

01:14:54.376 [16741] <2> bpcd main: child_args[0] = /usr/openv/netbackup/bin/bptm

01:14:54.376 [16741] <2> bpcd main: child_args[1] = bptm
01:14:54.376 [16741] <2> bpcd main: child_args[2] = -count
01:14:54.376 [16741] <2> bpcd main: child_args[3] = -cmd
01:14:54.377 [16741] <2> bpcd main: child_args[4] = -rt
01:14:54.377 [16741] <2> bpcd main: child_args[5] = 8
01:14:54.377 [16741] <2> bpcd main: child_args[6] = -rn
01:14:54.377 [16741] <2> bpcd main: child_args[7] = 0
01:14:54.377 [16741] <2> bpcd main: child_args[8] = -stunit
01:14:54.377 [16741] <2> bpcd main: child_args[9] = oraha-sto-unit
01:14:54.377 [16741] <2> bpcd main: child_args[10] = -den
01:14:54.377 [16741] <2> bpcd main: child_args[11] = 14
01:14:54.377 [16741] <2> bpcd main: child_args[12] = -mt
01:14:54.377 [16741] <2> bpcd main: child_args[13] = 2
01:14:54.377 [16741] <2> bpcd main: child_args[14] = -masterversion
01:14:54.377 [16741] <2> bpcd main: child_args[15] = 510000
01:14:54.377 [16741] <2> bpcd main: Before execvp of command
01:17:49.877 [16716] <16> bpcd main: Couldn't connect to address xxx.xxx.xxx.173
port 699: Connection timed out