怎么理解RMAN backup database plus archivelog delete all input命令

本篇文章为大家展示了怎么理解RMAN backup database plus archivelog delete all input命令，内容简明扼要并且容易理解，绝对能使你眼前一亮，通过这篇文章的详细介绍希望你能有所收获。

RMAN> run {

2> backup as compressed backupset incremental level 1 database plus archivelog delete all input;

3> }//RMAN备份脚本

Starting backup at 28-APR-10

#切换在线日志(sql 'alter system archive log current';)

current log archived//发生日志切换

#备份之前所有的归档日志

using channel ORA_DISK_1

channel ORA_DISK_1: starting compressed archive log backupset

channel ORA_DISK_1: specifying archive log(s) in backup set

input archive log thread=1 sequence=33 recid=6 stamp=717527999 //这是刚刚归档的日志

channel ORA_DISK_1: starting piece 1 at 28-APR-10

channel ORA_DISK_1: finished piece 1 at 28-APR-10

piece handle=/u01/app/oracle/flash_recovery_area/YTHDB/backupset/2010_04_28/o1_mf_annnn_TAG20100428T172000_5xhvxkcy_.bkp tag=TAG20100428T172000 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02

channel ORA_DISK_1: deleting archive log(s)//删除输入的归档日志

archive log filename=/u01/app/oracle/flash_recovery_area/YTHDB/archivelog/2010_04_28/o1_mf_1_33_5xhvxhjl_.arc recid=6 stamp=717527999

Finished backup at 28-APR-10

#备份数据文件

Starting backup at 28-APR-10

using channel ORA_DISK_1

channel ORA_DISK_1: starting compressed incremental level 1 datafile backupset

channel ORA_DISK_1: specifying datafile(s) in backupset

input datafile fno=00005 name=/dev/rdcdb_data01

input datafile fno=00006 name=/dev/rdcdb_data02

input datafile fno=00007 name=/dev/rdcdb_data03

input datafile fno=00008 name=/dev/rdcdb_data04

input datafile fno=00009 name=/dev/rdcdb_data05

input datafile fno=00010 name=/dev/rdcdb_data06

input datafile fno=00011 name=/dev/rdcdb_data07

input datafile fno=00012 name=/dev/rdcdb_data08

input datafile fno=00013 name=/dev/rdcdb_data09

input datafile fno=00014 name=/dev/rdcdb_data10

input datafile fno=00015 name=/dev/rdcdb_data11

input datafile fno=00016 name=/dev/rdcdb_data12

input datafile fno=00017 name=/dev/rdcdb_data13

input datafile fno=00018 name=/dev/rdcdb_data14

input datafile fno=00019 name=/dev/rdcdb_data15

input datafile fno=00020 name=/dev/rdcdb_data16

input datafile fno=00021 name=/dev/rdcdb_data17

input datafile fno=00022 name=/dev/rdcdb_data18

input datafile fno=00001 name=/dev/rdcdb_system01

input datafile fno=00023 name=/dev/rdcdb_data19

input datafile fno=00003 name=/dev/rdcdb_sysaux01

input datafile fno=00002 name=/dev/rdcdb_undotbs01

input datafile fno=00004 name=/dev/rdcdb_user

channel ORA_DISK_1: starting piece 1 at 28-APR-10

channel ORA_DISK_1: finished piece 1 at 28-APR-10

piece handle=/u01/app/oracle/flash_recovery_area/YTHDB/backupset/2010_04_28/o1_mf_nnnd1_TAG20100428T172003_5xhvxqn1_.bkp tag=TAG20100428T172003 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:04

channel ORA_DISK_1: starting compressed incremental level 1 datafile backupset

channel ORA_DISK_1: specifying datafile(s) in backupset

#备份控制文件和SPFILE(AUTOBACKUP OFF)

including current control file in backupset

including current SPFILE in backupset

channel ORA_DISK_1: starting piece 1 at 28-APR-10

channel ORA_DISK_1: finished piece 1 at 28-APR-10

piece handle=/u01/app/oracle/flash_recovery_area/YTHDB/backupset/2010_04_28/o1_mf_ncsn1_TAG20100428T172003_5xhvxv6b_.bkp tag=TAG20100428T172003 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03

Finished backup at 28-APR-10

Starting backup at 28-APR-10

#再次切换在线日志(sql 'alter system archive log current';)

current log archived//发生日志切换

#备份执行备份命令期间产生的归档日志

using channel ORA_DISK_1

channel ORA_DISK_1: starting compressed archive log backupset

channel ORA_DISK_1: specifying archive log(s) in backup set

input archive log thread=1 sequence=34 recid=7 stamp=717528012//这是刚刚归档的日志

channel ORA_DISK_1: starting piece 1 at 28-APR-10

channel ORA_DISK_1: finished piece 1 at 28-APR-10

piece handle=/u01/app/oracle/flash_recovery_area/YTHDB/backupset/2010_04_28/o1_mf_annnn_TAG20100428T172012_5xhvxy7k_.bkp tag=TAG20100428T172012 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02

channel ORA_DISK_1: deleting archive log(s)//删除输入的归档日志

archive log filename=/u01/app/oracle/flash_recovery_area/YTHDB/archivelog/2010_04_28/o1_mf_1_34_5xhvxwgz_.arc recid=7 stamp=717528012

Finished backup at 28-APR-10

命令中的关键字all个人理解有2层含义：

1.表示当前归档日志之前的所有日志。所以我们在备份执行要先加入一句crosscheck archivelog all;以免在比对老的归档时发现没有而报错。

2.如果有多个归档的目的地，表示所有的归档目的地，在执行删除归档日志的时候才会在所有的目的地上全部删除。

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