dmrman错误总结

使用drman备份时[-7109],DESC:[管道连接失败]，信息如下

[dmdba@dm94 dmdb]$ dmrman
dmrman V7.6.1.108-Build(2021.06.30-142705-10017)ENT
RMAN> BACKUP DATABASE '/dm/dmdata/dmdb/dm.ini' FULL TO BACKUP_FILE2 BACKUPSET '/dm/dmback/bakfull';
BACKUP DATABASE '/dm/dmdata/dmdb/dm.ini' FULL TO BACKUP_FILE2 BACKUPSET '/dm/dmback/bakfull';
file dm.key not found, use default license!
checking if the database under system path [/dm/dmdata/dmdb] is running...[4].
checking if the database under system path [/dm/dmdata/dmdb] is running...[3].
checking if the database under system path [/dm/dmdata/dmdb] is running...[2].
checking if the database under system path [/dm/dmdata/dmdb] is running...[1].
checking if the database under system path [/dm/dmdata/dmdb] is running...[0].
checking if the database under system path [/dm/dmdata/dmdb] is running, write dmrman info.
EP[0] max_lsn: 56837
BACKUP DATABASE [dmdb],execute......
os_pipe2_conn_server open failed, name:[/dm/dmdata/dmdb/DM_PIPE_DMAP_LSNR_WR], errno:2
CMD END.CODE:[-7109],DESC:[管道连接失败]
[-7109]:管道连接失败

解决办法
使用dmrman use_ap=2登录正常

 [dmdba@dm94 dmdb]$ dmrman use_ap=2
dmrman V7.6.1.108-Build(2021.06.30-142705-10017)ENT
RMAN> BACKUP DATABASE '/dm/dmdata/dmdb/dm.ini' FULL TO BACKUP_FILE2 BACKUPSET '/dm/dmback/bakfull';
BACKUP DATABASE '/dm/dmdata/dmdb/dm.ini' FULL TO BACKUP_FILE2 BACKUPSET '/dm/dmback/bakfull';
file dm.key not found, use default license!
checking if the database under system path [/dm/dmdata/dmdb] is running...[4].
checking if the database under system path [/dm/dmdata/dmdb] is running...[3].
checking if the database under system path [/dm/dmdata/dmdb] is running...[2].
checking if the database under system path [/dm/dmdata/dmdb] is running...[1].
checking if the database under system path [/dm/dmdata/dmdb] is running...[0].
checking if the database under system path [/dm/dmdata/dmdb] is running, write dmrman info.
EP[0] max_lsn: 56837
BACKUP DATABASE [dmdb],execute......
CMD CHECK LSN......
BACKUP DATABASE [dmdb],collect dbf......
CMD CHECK ......
DBF BACKUP SUBS......
total 3 packages processed...
total 12 packages processed...
total 13 packages processed...
DBF BACKUP MAIN......
BACKUPSET [/dm/dmback/bakfull] END, CODE [0]......
META GENERATING......
file [bakfull.bak] finished, name:[bakfull.bak],created time:[2022-01-23 09:58:18],expirated time:[2105-12-31 23:59:59],label:[],comment:[]file [bakfull.meta] finished, name:[bakfull.meta],created time:[2022-01-23 09:58:18],expirated time:[2105-12-31 23:59:59],label:[],comment:[]total 14 packages processed...
total 14 packages processed!
CMD END.CODE:[0]
backup successfully!
time used: 7013.961(ms)
RMAN> check backupset '/dm/dmback/bakfull';
check backupset '/dm/dmback/bakfull';
CMD END.CODE:[0]
check backupset successfully.
time used: 5.072(ms)
RMAN>

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