nbu6.5做oracle全备父进程报13号错误

heln2000

client端做oracle的全备，每到2个小时父进程就结束，13号错误，但是子进程还可以备份，我看备了8个小时。
server端调整了timeout时间，client断也设的3000，都不行。out输出日志里没有报错。
CLIENT_READ_TIMEOUT = 32767
CLIENT_CONNECT_TIMEOUT = 3000

还有detail里显示我明明10:45发起的备份，但是job里面start time却显示12:55PM

Jul 23, 2014 10:45:07 AM - requesting resource tjtbs1-hcart3-robot-tld-1
Jul 23, 2014 10:45:07 AM - requesting resource tjtbs1.NBU_CLIENT.MAXJOBS.tjispp1
Jul 23, 2014 10:45:07 AM - requesting resource tjtbs1.NBU_POLICY.MAXJOBS.bss_tjossapp_full
Jul 23, 2014 10:45:07 AM - granted resource  tjtbs1.NBU_CLIENT.MAXJOBS.tjispp1
Jul 23, 2014 10:45:07 AM - granted resource  tjtbs1.NBU_POLICY.MAXJOBS.bss_tjossapp_full
Jul 23, 2014 10:45:07 AM - granted resource  tjtbs1-hcart3-robot-tld-1
Jul 23, 2014 10:45:08 AM - estimated 0 kbytes needed
Jul 23, 2014 10:45:08 AM - started process bpbrm (pid=25335)
Jul 23, 2014 10:45:09 AM - connecting
Jul 23, 2014 10:45:10 AM - connected; connect time: 0:00:00
Jul 23, 2014 12:45:10 PM - Error bpbrm (pid=25335) socket read failed: errno = 52 - Stream ioctl timeout
Jul 23, 2014 12:45:11 PM - end writing
file read failed  (13)