基于RMAN的同机数据库克隆

欢迎进入Oracle社区论坛，与200万技术人员互动交流 >>进入 Starting restore at 2013/07/25 14:33:29 ---开始restore allocated channel: ORA_AUX_DISK_1 channel ORA_AUX_DISK_1: SID=134 device type=DISK channel ORA_AUX_DISK_1: starting datafile back

欢迎进入Oracle社区论坛，与200万技术人员互动交流 >>进入

 

　　Starting restore at 2013/07/25 14:33:29          --->开始restore

　　allocated channel: ORA_AUX_DISK_1

　　channel ORA_AUX_DISK_1: SID=134 device type=DISK

　　channel ORA_AUX_DISK_1: starting datafile backup set restore

　　channel ORA_AUX_DISK_1: restoring control file     --->首先restore controlfile

　　channel ORA_AUX_DISK_1: reading from backup piece /u01/database/sybo3/flash_recovery_area/SYBO3/autobackup/2013_07_25/

　　o1_mf_s_821695291_8z0x1vsf_.bkp

　　channel ORA_AUX_DISK_1: piece handle=/u01/database/sybo3/flash_recovery_area/SYBO3/autobackup/2013_07_25/

　　o1_mf_s_821695291_8z0x1vsf_.bkp tag=TAG20130725T084131

　　channel ORA_AUX_DISK_1: restored backup piece 1

　　channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01   -->controlfile restore完成

　　output file name=/u01/database/sybo5/controlf/control01.ctl        -->output到的位置

　　output file name=/u01/database/sybo5/controlf/control02.ctl        -->注意此时的控制文件中记录的信息依旧是sybo3的，即target db

　　Finished restore at 2013/07/25 14:33:30

　　database mounted                                                   -->数据库切换到mount状态，对应语句alter clone database mount

　　contents of Memory Script:                                         -->这些SQL语句用于设置auxiliary db 数据文件位置

　　{

　　set until scn  886687;                                          -->Oracle自动设定了相应的scn

　　set newname for datafile  1 to

　　"/u01/database/sybo5/oradata/system01.dbf";

　　set newname for datafile  2 to

　　"/u01/database/sybo5/oradata/sysaux01.dbf";

　　set newname for datafile  3 to

　　"/u01/database/sybo5/oradata/undotbs01.dbf";

　　set newname for datafile  4 to

　　"/u01/database/sybo5/oradata/users01.dbf";

　　set newname for datafile  5 to

　　"/u01/database/sybo5/oradata/example01.dbf";

　　restore                                                         --> 发布restore命令

　　clone database

　　;

　　}

　　executing Memory Script

　　executing command: SET until clause

　　executing command: SET NEWNAME

　　executing command: SET NEWNAME

　　executing command: SET NEWNAME

　　executing command: SET NEWNAME

　　executing command: SET NEWNAME

　　Starting restore at 2013/07/25 14:33:35                            -->开始数据文件的restore

　　using channel ORA_AUX_DISK_1                                       -->根据控制文件的信息读取备份集并还原到set newname位置

　　channel ORA_AUX_DISK_1: starting datafile backup set restore

　　channel ORA_AUX_DISK_1: specifying datafile（s） to restore from backup set

　　channel ORA_AUX_DISK_1: restoring datafile 00001 to /u01/database/sybo5/oradata/system01.dbf

　　channel ORA_AUX_DISK_1: restoring datafile 00002 to /u01/database/sybo5/oradata/sysaux01.dbf

　　channel ORA_AUX_DISK_1: restoring datafile 00003 to /u01/database/sybo5/oradata/undotbs01.dbf

　　channel ORA_AUX_DISK_1: restoring datafile 00004 to /u01/database/sybo5/oradata/users01.dbf

　　channel ORA_AUX_DISK_1: restoring datafile 00005 to /u01/database/sybo5/oradata/example01.dbf

　　channel ORA_AUX_DISK_1: reading from backup piece /u01/database/sybo3/flash_recovery_area/SYBO3/backupset/2013_07_25/

　　o1_mf_nnndf_TAG20130725T083959_8z0wz06c_.bkp

　　channel ORA_AUX_DISK_1: piece handle=/u01/database/sybo3/flash_recovery_area/SYBO3/backupset/2013_07_25/

　　o1_mf_nnndf_TAG20130725T083959_8z0wz06c_.bkp tag=TAG20130725T083959

　　channel ORA_AUX_DISK_1: restored backup piece 1

　　channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:01:15     -->完成数据文件restore

　　Finished restore at 2013/07/25 14:34:50

　　contents of Memory Script:                                           -->下面的脚本将新的数据文件全部更新到控制文件

　　{

　　switch clone datafile all;

　　}

　　executing Memory Script

　　datafile 1 switched to datafile copy

　　input datafile copy RECID=7 STAMP=821716490 file name=/u01/database/sybo5/oradata/system01.dbf

　　datafile 2 switched to datafile copy

　　input datafile copy RECID=8 STAMP=821716491 file name=/u01/database/sybo5/oradata/sysaux01.dbf

　　datafile 3 switched to datafile copy

　　input datafile copy RECID=9 STAMP=821716491 file name=/u01/database/sybo5/oradata/undotbs01.dbf

　　datafile 4 switched to datafile copy

　　input datafile copy RECID=10 STAMP=821716491 file name=/u01/database/sybo5/oradata/users01.dbf

　　datafile 5 switched to datafile copy

　　input datafile copy RECID=11 STAMP=821716491 file name=/u01/database/sybo5/oradata/example01.dbf

　　contents of Memory Script:                                          -->下面的脚本Oracle自动设置了scn后发布recover命令

　　{

　　set until scn  886687;

　　recover

　　clone database

　　delete archivelog

　　;

　　}

　　executing Memory Script

　　executing command: SET until clause

　　Starting recover at 2013/07/25 14:34:51    -->下面使用archivelog进行recover

　　using channel ORA_AUX_DISK_1

　　starting media recovery

　　archived log for thread 1 with sequence 16 is already on disk as file /u01/database/sybo3/flash_recovery_area/SYBO3/

　　archivelog/2013_07_25/o1_mf_1_16_8z16rk6o_.arc       -->此时运用到了一个sybo3已经存在的归档日志，sequence 为16

　　channel ORA_AUX_DISK_1: starting archived log restore to default destination  -->接下来还原归档日志到缺省位置

　　channel ORA_AUX_DISK_1: restoring archived log

　　archived log thread=1 sequence=15                      -->从备份的归档日志中读取 sequence为15 的

　　channel ORA_AUX_DISK_1: reading from backup piece /u01/database/sybo3/flash_recovery_area/SYBO3/backupset/2013_07_25/

　　o1_mf_annnn_TAG20130725T084129_8z0x1syh_.bkp

　　channel ORA_AUX_DISK_1: piece handle=/u01/database/sybo3/flash_recovery_area/SYBO3/backupset/2013_07_25/

　　o1_mf_annnn_TAG20130725T084129_8z0x1syh_.bkp tag=TAG20130725T084129

　　channel ORA_AUX_DISK_1: restored backup piece 1

　　channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01

　　archived log file name=/u01/database/sybo5/flash_recovery_area/SYBO5/archivelog/2013_07_25/o1_mf_1_15_8z1krh5x_.arc thread=1 sequence=15

　　channel clone_default: deleting archived log（s）      -->删除归档日志

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