1.验证备份是否可以被成功还原,完全还原确定需应用哪些备份集和归档日志。
RMAN> restore database preview;
Starting restore at 07-OCT-15
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=202 device type=DISK
allocated channel: ORA_DISK_2
channel ORA_DISK_2: SID=138 device type=DISK
List of Backup Sets
===================
BS Key Type LV Size Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
57 Incr 0 363.33M DISK 00:01:26 05-OCT-15
List of Datafiles in backup set 57
File LV Type Ckp SCN Ckp Time Name
---- -- ---- ---------- --------- ----
1 0 Incr 3687271 05-OCT-15 +DATA/phub/datafile/system.271.891340857
2 0 Incr 3687271 05-OCT-15 +DATA/phub/datafile/sysaux.272.891340857
4 0 Incr 3687271 05-OCT-15 +DATA/phub/datafile/users.269.891340843
7 0 Incr 3687271 05-OCT-15 +DATA/phub/datafile/idx01.dbf
Backup Set Copy #1 of backup set 57
Device Type Elapsed Time Completion Time Compressed Tag
----------- ------------ --------------- ---------- ---
DISK 00:01:26 05-OCT-15 YES DB0
List of Backup Pieces for backup set 57 Copy #1
BP Key Pc# Status Piece Name
------- --- ----------- ----------
64 1 AVAILABLE /home/oracle/backup/data_51qiv187_1_1.bak
65 2 AVAILABLE /home/oracle/backup/data_51qiv187_2_1.bak
66 3 AVAILABLE /home/oracle/backup/data_51qiv187_3_1.bak
67 4 AVAILABLE /home/oracle/backup/data_51qiv187_4_1.bak
BS Key Type LV Size Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
55 Incr 0 215.65M DISK 00:01:06 05-OCT-15
List of Datafiles in backup set 55
File LV Type Ckp SCN Ckp Time Name
---- -- ---- ---------- --------- ----
3 0 Incr 3687269 05-OCT-15 +DATA/phub/datafile/undotbs1.260.891340857
5 0 Incr 3687269 05-OCT-15 +DATA/phub/datafile/example.287.891340843
6 0 Incr 3687269 05-OCT-15 +DATA/phub/datafile/llc01.dbf
Backup Set Copy #1 of backup set 55
Device Type Elapsed Time Completion Time Compressed Tag
----------- ------------ --------------- ---------- ---
DISK 00:01:06 05-OCT-15 YES DB0
List of Backup Pieces for backup set 55 Copy #1
BP Key Pc# Status Piece Name
------- --- ----------- ----------
60 1 AVAILABLE /home/oracle/backup/data_50qiv187_1_1.bak
61 2 AVAILABLE /home/oracle/backup/data_50qiv187_2_1.bak
62 3 AVAILABLE /home/oracle/backup/data_50qiv187_3_1.bak
using channel ORA_DISK_1
using channel ORA_DISK_2
List of Archived Log Copies for database with db_unique_name PHUB
=====================================================================
Key Thrd Seq S Low Time
------- ---- ------- - ---------
552 1 276 A 05-OCT-15
Name: +DATA/phub/archivelog/2015_10_05/thread_1_seq_276.374.892332021
554 1 277 A 05-OCT-15
Name: +DATA/phub/archivelog/2015_10_06/thread_1_seq_277.372.892352657
556 1 278 A 06-OCT-15
Name: +DATA/phub/archivelog/2015_10_06/thread_1_seq_278.370.892370685
557 1 279 A 06-OCT-15
Name: +DATA/phub/archivelog/2015_10_06/thread_1_seq_279.368.892385187
559 1 280 A 06-OCT-15
Name: +DATA/phub/archivelog/2015_10_06/thread_1_seq_280.365.892385193
562 1 281 A 06-OCT-15
Name: +DATA/phub/archivelog/2015_10_06/thread_1_seq_281.285.892411985
564 1 282 A 06-OCT-15
Name: +DATA/phub/archivelog/2015_10_07/thread_1_seq_282.290.892428501
566 1 283 A 07-OCT-15
Name: +DATA/phub/archivelog/2015_10_07/thread_1_seq_283.300.892458049
Media recovery start SCN is 3687269
Recovery must be done beyond SCN 3687271 to clear datafile fuzziness
Finished restore at 07-OCT-15
2.检查用于恢复数据库的的最新备份集,以确认备份是否完整,检查恢复所需要的数据文件副本和归档日志备份集。
RMAN> restore database validate;
Starting restore at 07-OCT-15
using channel ORA_DISK_1
using channel ORA_DISK_2
channel ORA_DISK_1: starting validation of datafile backup set
channel ORA_DISK_2: starting validation of datafile backup set
channel ORA_DISK_1: reading from backup piece /home/oracle/backup/data_50qiv187_1_1.bak
channel ORA_DISK_2: reading from backup piece /home/oracle/backup/data_51qiv187_1_1.bak
channel ORA_DISK_1: piece handle=/home/oracle/backup/data_50qiv187_1_1.bak tag=DB0
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: reading from backup piece /home/oracle/backup/data_50qiv187_2_1.bak
channel ORA_DISK_2: piece handle=/home/oracle/backup/data_51qiv187_1_1.bak tag=DB0
channel ORA_DISK_2: restored backup piece 1
channel ORA_DISK_2: reading from backup piece /home/oracle/backup/data_51qiv187_2_1.bak
channel ORA_DISK_2: piece handle=/home/oracle/backup/data_51qiv187_2_1.bak tag=DB0
channel ORA_DISK_2: restored backup piece 2
channel ORA_DISK_2: reading from backup piece /home/oracle/backup/data_51qiv187_3_1.bak
channel ORA_DISK_1: piece handle=/home/oracle/backup/data_50qiv187_2_1.bak tag=DB0
channel ORA_DISK_1: restored backup piece 2
channel ORA_DISK_1: reading from backup piece /home/oracle/backup/data_50qiv187_3_1.bak
channel ORA_DISK_2: piece handle=/home/oracle/backup/data_51qiv187_3_1.bak tag=DB0
channel ORA_DISK_2: restored backup piece 3
channel ORA_DISK_2: reading from backup piece /home/oracle/backup/data_51qiv187_4_1.bak
channel ORA_DISK_1: piece handle=/home/oracle/backup/data_50qiv187_3_1.bak tag=DB0
channel ORA_DISK_1: restored backup piece 3
channel ORA_DISK_1: validation complete, elapsed time: 00:01:03
channel ORA_DISK_2: piece handle=/home/oracle/backup/data_51qiv187_4_1.bak tag=DB0
channel ORA_DISK_2: restored backup piece 4
channel ORA_DISK_2: validation complete, elapsed time: 00:01:12
Finished restore at 07-OCT-15
3.校验数据文件的是否存在坏块:
RMAN> backup check logical validate database;
Starting backup at 07-OCT-15
using channel ORA_DISK_1
using channel ORA_DISK_2
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00006 name=+DATA/phub/datafile/llc01.dbf
input datafile file number=00005 name=+DATA/phub/datafile/example.287.891340843
input datafile file number=00003 name=+DATA/phub/datafile/undotbs1.260.891340857
channel ORA_DISK_2: starting full datafile backup set
channel ORA_DISK_2: specifying datafile(s) in backup set
input datafile file number=00007 name=+DATA/phub/datafile/idx01.dbf
input datafile file number=00002 name=+DATA/phub/datafile/sysaux.272.891340857
input datafile file number=00001 name=+DATA/phub/datafile/system.271.891340857
input datafile file number=00004 name=+DATA/phub/datafile/users.269.891340843
channel ORA_DISK_2: backup set complete, elapsed time: 00:00:55
List of Datafiles
=================
File Status Marked Corrupt Empty Blocks Blocks Examined High SCN
---- ------ -------------- ------------ --------------- ----------
1 OK 0 14660 98639 3880208
File Name: +DATA/phub/datafile/system.271.891340857
Block Type Blocks Failing Blocks Processed
---------- -------------- ----------------
Data 0 65879
Index 0 13480
Other 0 4541
File Status Marked Corrupt Empty Blocks Blocks Examined High SCN
---- ------ -------------- ------------ --------------- ----------
2 OK 0 23933 120381 3880206
File Name: +DATA/phub/datafile/sysaux.272.891340857
Block Type Blocks Failing Blocks Processed
---------- -------------- ----------------
Data 0 35531
Index 0 30258
Other 0 30598
File Status Marked Corrupt Empty Blocks Blocks Examined High SCN
---- ------ -------------- ------------ --------------- ----------
4 OK 0 4478 87390 3006034
File Name: +DATA/phub/datafile/users.269.891340843
Block Type Blocks Failing Blocks Processed
---------- -------------- ----------------
Data 0 81242
Index 0 730
Other 0 910
File Status Marked Corrupt Empty Blocks Blocks Examined High SCN
---- ------ -------------- ------------ --------------- ----------
7 OK 0 98073 131072 3010614
File Name: +DATA/phub/datafile/idx01.dbf
Block Type Blocks Failing Blocks Processed
---------- -------------- ----------------
Data 0 0
Index 0 32360
Other 0 639
channel ORA_DISK_2: starting full datafile backup set
channel ORA_DISK_2: specifying datafile(s) in backup set
including current control file in backup set
channel ORA_DISK_2: backup set complete, elapsed time: 00:00:01
List of Control File and SPFILE
===============================
File Type Status Blocks Failing Blocks Examined
------------ ------ -------------- ---------------
Control File OK 0 646
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:59
List of Datafiles
=================
File Status Marked Corrupt Empty Blocks Blocks Examined High SCN
---- ------ -------------- ------------ --------------- ----------
3 OK 0 1 18560 3880208
File Name: +DATA/phub/datafile/undotbs1.260.891340857
Block Type Blocks Failing Blocks Processed
---------- -------------- ----------------
Data 0 0
Index 0 0
Other 0 18559
File Status Marked Corrupt Empty Blocks Blocks Examined High SCN
---- ------ -------------- ------------ --------------- ----------
5 OK 2192 31371 44325 3819558
File Name: +DATA/phub/datafile/example.287.891340843
Block Type Blocks Failing Blocks Processed
---------- -------------- ----------------
Data 0 4394
Index 0 1149
Other 0 7406
File Status Marked Corrupt Empty Blocks Blocks Examined High SCN
---- ------ -------------- ------------ --------------- ----------
6 OK 0 166327 393216 3015852
File Name: +DATA/phub/datafile/llc01.dbf
Block Type Blocks Failing Blocks Processed
---------- -------------- ----------------
Data 0 192240
Index 0 32080
Other 0 2569
Finished backup at 07-OCT-15
4.校验单个数据文件:
RMAN> backup check logical validate datafile 1;
Starting backup at 07-OCT-15
using channel ORA_DISK_1
using channel ORA_DISK_2
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00001 name=+DATA/phub/datafile/system.271.891340857
channel ORA_DISK_2: starting full datafile backup set
channel ORA_DISK_2: specifying datafile(s) in backup set
including current control file in backup set
channel ORA_DISK_2: backup set complete, elapsed time: 00:00:01
List of Control File and SPFILE
===============================
File Type Status Blocks Failing Blocks Examined
------------ ------ -------------- ---------------
Control File OK 0 646
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:07
List of Datafiles
=================
File Status Marked Corrupt Empty Blocks Blocks Examined High SCN
---- ------ -------------- ------------ --------------- ----------
1 OK 0 14660 98639 3880343
File Name: +DATA/phub/datafile/system.271.891340857
Block Type Blocks Failing Blocks Processed
---------- -------------- ----------------
Data 0 65879
Index 0 13480
Other 0 4541
Finished backup at 07-OCT-15
5.备份进度查询:
select case
when opname like '%aggregate%' then
'total'
else
opname
end opname,
trunc(sofar * 100 / totalwork, 2) || '%' progress,
units
from v$session_longops
where opname like 'RMAN%'
and totalwork > sofar;
OPNAME PROGRESS UNITS
------------------------------------------------------------ ----------------------------------------- --------------------------------
RMAN: incremental datafile backup 62.28% Blocks
total 0% Blocks
RMAN: incremental datafile backup 75.47% Blocks
6.恢复进度查询:
SELECT sid,
serial#,
CONTEXT,
sofar,
totalwork,
round(sofar / totalwork * 100, 2) "% Complete"
FROM v$session_longops
WHERE opname LIKE 'RMAN:%'
AND opname NOT LIKE 'RMAN: aggregate%';
SID SERIAL# CONTEXT SOFAR TOTALWORK % Complete
---------- ---------- ---------- ---------- ---------- ----------
8 5 1 329181437312 75.27
192 31 1 281220456096 61.66
恢复完成:
SELECT sid,
serial#,
CONTEXT,
sofar,
totalwork,
round(sofar / totalwork * 100, 2) "% Complete"
FROM v$session_longops
WHERE opname LIKE 'RMAN:%'
9 AND opname NOT LIKE 'RMAN: aggregate%';
SID SERIAL# CONTEXT SOFAR TOTALWORK % Complete
---------- ---------- ---------- ---------- ---------- ----------
8 5 1 437312437312 100
192 31 1 456096456096 100
简单备份脚本:
run
{
allocate channel C1 device type disk maxpiecesize=51200M;
allocate channel C2 device type disk maxpiecesize=51200M;
sql 'alter system switch logfile';
crosscheck archivelog all;
delete noprompt expired archivelog all;
delete noprompt archivelog until time 'sysdate-15';
backup incremental level=0 tag='db0' as compressed backupset database include current
controlfile format '/back/level0/df_%U.bak';
release channel C1;
release channel C2;
crosscheck backup;
delete noprompt obsolete;
delete noprompt expired backup;
}