NBU系統(tǒng)，磁帶機UP不起來了，求教~~~

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環(huán)境：
NBU6.0
低端的此帶庫

故障：剛換了批磁帶，然后就發(fā)現(xiàn)備份全部失敗，磁帶機全部變?yōu)閐own的狀態(tài)。手工UP，發(fā)起備份，又變?yōu)閐own了，并且發(fā)現(xiàn)備份請求的磁帶不在此帶庫中（已經做inventory了）。
重啟了此帶庫和主機，故障依舊。
大家有什么好的解決方法嗎？

job日志：
2011-3-31 10:29:38 - requesting resource veritas-srv-hcart2-robot-tld-0
2011-3-31 10:29:38 - requesting resource veritas-srv.NBU_CLIENT.MAXJOBS.financeserv02
2011-3-31 10:29:38 - requesting resource veritas-srv.NBU_POLICY.MAXJOBS.finsrv_sql_logs
2011-3-31 10:29:38 - awaiting resource veritas-srv-hcart2-robot-tld-0 - will retry physical later
2011-3-31 10:34:30 - granted resource veritas-srv.NBU_CLIENT.MAXJOBS.financeserv02
2011-3-31 10:34:30 - granted resource veritas-srv.NBU_POLICY.MAXJOBS.finsrv_sql_logs
2011-3-31 10:34:30 - granted resource A00007
2011-3-31 10:34:30 - granted resource HP.ULTRIUM2-SCSI.001
2011-3-31 10:34:30 - granted resource veritas-srv-hcart2-robot-tld-0
2011-3-31 10:34:31 - started process bpbrm (1996)
2011-3-31 10:34:31 - connecting
2011-3-31 10:34:47 - connected; connect time: 00:00:16
2011-3-31 10:34:56 - mounting A00007
2011-3-31 10:43:38 - Error bptm(pid=562 error requesting media, TpErrno = Robot operation failed     
2011-3-31 10:43:38 - Warning bptm(pid=562 media id A00007 load operation reported an error     
2011-3-31 10:43:38 - current media A00007 complete, requesting next media Any
2011-3-31 10:43:46 - Error bptm(pid=562 NBJM returned an extended error status: resource request failed (800)   
2011-3-31 10:43:48 - end writing
extended error status has been encountered, check logs(252)

無牙

新加的磁帶上LTO2的嗎》