备份是大事,有的时候睡觉都惊醒,忘备份了
如果备份不细检查备份环节就更可怕了
RMAN> list archivelog all;
List of Archived Log Copies
Key Thrd Seq S Low Time Name
------- ---- ------- - --------- ----
1224 2 107 X 25-DEC-07 /home/oracle/archive/2_107_640546001.arc
1225 2 108 X 25-DEC-07 /home/oracle/archive/2_108_640546001.arc
1226 2 109 X 26-DEC-07 /home/oracle/archive/2_109_640546001.arc
1228 2 110 X 26-DEC-07 /home/oracle/archive/2_110_640546001.arc
1229 2 111 X 26-DEC-07 /home/oracle/archive/2_111_640546001.arc
1231 2 112 X 26-DEC-07 /home/oracle/archive/2_112_640546001.arc
1232 2 113 X 26-DEC-07 /home/oracle/archive/2_113_640546001.arc
1234 2 114 X 26-DEC-07 /home/oracle/archive/2_114_640546001.arc
1235 2 115 X 26-DEC-07 /home/oracle/archive/2_115_640546001.arc
1236 2 116 X 26-DEC-07 /home/oracle/archive/2_116_640546001.arc
查看系统的归档,看到status为X,并没有在意,直接备份
但备份以后,发现RMAN不识别状态为X的归档,
RMAN> run
2> {
3> allocate channel c1 device type disk connect ;
4> allocate channel c2 device type disk connect ;
5> backup archivelog all delete all input;
6> }
released channel: ORA_DISK_1
released channel: ORA_DISK_2
allocated channel: c1
channel c1: sid=918 instance=baan1 devtype=DISK
allocated channel: c2
channel c2: sid=1080 instance=baan2 devtype=DISK
Starting backup at 21-MAR-08
current log archived
channel c1: starting archive log backupset
channel c1: specifying archive log(s) in backup set
input archive log thread=1 sequence=385 recid=1808 stamp=649954597
input archive log thread=1 sequence=386 recid=1811 stamp=649954670
channel c1: starting piece 1 at 21-MAR-08
根本没有去读第2个节点的归档,crosscheck archivelog all;以后,状态为available,
rman才重新识别,太可怕了,如果没有注意的话,一旦出现介质故障,就毁了
channel c2: starting piece 1 at 21-MAR-08
channel c1: finished piece 1 at 21-MAR-08
piece handle=+BACKUP/baan/backupset/2008_03_21/annnf0_tag20080321t145751_0.271.649954675 tag=TAG20080321T145751 comment=NONE
channel c1: backup set complete, elapsed time: 00:00:03
channel c1: deleting archive log(s)
archive log filename=/home/oracle/archive/1_385_640546001.arc recid=1808 stamp=649954597
archive log filename=/home/oracle/archive/1_386_640546001.arc recid=1811 stamp=649954670
channel c2: finished piece 1 at 21-MAR-08
piece handle=+BACKUP/baan/backupset/2008_03_21/annnf0_tag20080321t145751_0.273.649954675 tag=TAG20080321T145751 comment=NONE
channel c2: backup set complete, elapsed time: 00:05:19
channel c2: deleting archive log(s)
archive log filename=/home/oracle/archive/2_212_640546001.arc recid=1388 stamp=643726675
archive log filename=/home/oracle/archive/2_213_640546001.arc recid=1389 stamp=643727323
archive log filename=/home/oracle/archive/2_214_640546001.arc recid=1391 stamp=643727824
archive log filename=/home/oracle/archive/2_215_640546001.arc recid=1392 stamp=643728326
archive log filename=/home/oracle/archive/2_216_640546001.arc recid=1393 stamp=643728836
archive log filename=/home/oracle/archive/2_217_640546001.arc recid=1395 stamp=643729304
archive log filename=/home/oracle/archive/2_218_640546001.arc recid=1396 stamp=643729580
archive log filename=/home/oracle/archive/2_219_640546001.arc recid=1397 stamp=643730043
archive log filename=/home/oracle/archive/2_220_640546001.arc recid=1399 stamp=643730527
archive log filename=/home/oracle/archive/2_221_640546001.arc recid=1400 stamp=643730960
archive log filename=/home/oracle/archive/2_222_640546001.arc recid=1401 stamp=643731342
)
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