NBU 6.5在线备份MS EXCHANGE 2003报code 1 的错误

stornewer

定制了一个备份策略，每天自动备份，备份报了一下错误：\r\n\r\n2008-12-6 19:55:06 - granted resource xxxnbu-hcart3-robot-tld-0\r\n2008-12-6 19:55:06 - estimated 133976948 kbytes needed\r\n2008-12-6 19:55:06 - started process bpbrm (9060)\r\n2008-12-6 19:55:07 - connecting\r\n2008-12-6 19:55:12 - Error bpbrm(pid=9060) from client xxxMAIL01: ERR - failure reading file: Microsoft Information Store:\\First Storage Group\\xxxx Mailbox Store(xxxMail01) (BEDS 0xE000FE7C: )\r\n2008-12-6 19:55:12 - Error bpbrm(pid=9060) from client xxxMAIL01: ERR - failure reading file: Microsoft Information Store:\\First Storage Group\\Mailbox Store (xxxMAIL01) (BEDS 0xE000FE7C: )\r\n2008-12-6 19:55:12 - Error bpbrm(pid=9060) from client xxxMAIL01: ERR - failure reading file: Microsoft Information Store:\\First Storage Group\\Public Folder Store (xxxMAIL01) (BEDS 0xE000FE7C: )\r\n2008-12-6 19:55:12 - Error bpbrm(pid=9060) from client xxxMAIL01: ERR - failure reading file: Microsoft Information Store:\\First Storage Group\\Log files (BEDS 0xE000FE7C: )\r\n2008-12-6 19:55:08 - connected; connect time: 00:00:01\r\n2008-12-6 19:55:12 - mounting 8190L3\r\n2008-12-6 19:56:04 - mounted; mount time: 00:00:52\r\n2008-12-6 19:56:06 - positioning 8190L3 to file 7\r\n2008-12-6 19:57:14 - positioned 8190L3; position time: 00:01:08\r\n2008-12-6 19:57:14 - begin writing\r\n2008-12-6 20:24:08 - end writing; write time: 00:26:54\r\nthe requested operation was partially successful(1)\r\n\r\nThe job was successfully completed, but some files may have been\r\nbusy or unaccessible. See the problems report or the client\'s logs for more details.\r\n\r\n\r\n其它备份任务都正常，这个错误不知道怎么排查，诚心求教；