DM7 DMRMAN备份管理
DMRMAN备份管理：查看（show）、检验(check)、删除(remove)、导入(load)
1.DMRMAN备份集查看 show
包括：备份集数据库信息（DB）、元信息（META）、备份文件信息（FILE）、表信息（仅对表备份集有效）
1.1.语法
区别：show backupset 查看单个备份集信息，show backupsets 查看多个备份集或某备份目录中多个备份集信息。
1.2.案例与实操
1.2.1.查看指定备份集的信息 show
//分别显示备份集的数据库信息
//语法：show backupset '备份集名' ;
[dmdba@DM04 bin]$ ./dmrman
RMAN> show backupset '/home/dmdba/dmdbms/data/DAMENG/bak/DBFULL2020';
system path: /home/dmdba/dmdbms/data/DAMENG
db magic: 3684671160
permanent magic: 1432632398
rac node: 1
page check: 0
rlog encrypt: 0
external cipher[id/name]: 0/
external hash[id/name]: 0/
length in char: 0
use new hash: 1
page size: 8 KB
extent size: 16
case sensitive: 1
log page size: 512 B
unicode_flag/charset: 0
data version: 0x7000A
sys version: V7.6.0.142-Build(2019.03.12-103811)ENT
enable policy: 0
archive flag: 1
blank_pad_mode: 0
crc_check: TRUE
backupset sig: BA
backupset version: 4009
database name: DAMENG
backup name: DB_FULL_DAMENG_20200506_092103_000460
backupset description:
backupset ID : 2736933120
parent backupset ID: 4294967295
META file size : 90624
compressed level: 0
encrypt type: 0
parallel num: 1
backup range: database
mpp_timestamp: 1588728063
ddl_clone: FALSE
mpp_flag: FALSE
backup level: online
backup type: full
without log: FALSE
START_LSN: 548093
START_SEQ: 44874
END_LSN: 548340
END_SEQ: 45162
base START_LSN: -1
base END_LSN: -1
base name:
base backupset:
backup time: 2020-05-06 09:21:07
min trx start lsn: 541889
min exec ver: 0x0701060C
pkg size: 0x02000000
backupset directory: /home/dmdba/dmdbms/data/DAMENG/bak/DBFULL2020
backupset name: DBFULL2020
backup data file num: 8
backup piece num: 2
$file_seq |$size(KB) |$pos_desc |$content_type
0 |64544 |DBFULL2020.bak |DATA
1 |149 |DBFULL2020_1.bak |LOG
$file_seq |$group_id |$group_name |$file_id |$file_path |$mirror_path |$file_len
1 |0 |SYSTEM |0 |/home/dmdba/dmdbms/data/DAMENG/SYSTEM.DBF| |23068672
2 |1 |ROLL |0 |/home/dmdba/dmdbms/data/DAMENG/ROLL.DBF| |134217728
3 |4 |MAIN |0 |/home/dmdba/dmdbms/data/DAMENG/MAIN.DBF| |134217728
4 |5 |DMHR |0 |/home/dmdba/dmdbms/data/DAMENG/DMHR.DBF| |134217728
5 |6 |TB40 |0 |/home/dmdba/tbs4_011.dbf | |53477376
6 |6 |TB40 |1 |/home/dmdba/tbs4_02.dbf | |52428800
7 |7 |SYSAUX |0 |/home/dmdba/dmdbms/data/DAMENG/SYSAWR.DBF| |134217728
$file_seq |$file_path |$file_len |$begin_lsn |$begin_seqno |$begin_rpag_off |$end_lsn |$end_seqno |$create_time |$close_time
8 | |147968 |548092 |44874 |8 |548340 |45162 |0000-00-00 00:00:00 |0000-00-00 00:00:00
show backupsets successfully.
time used: 530.757(ms)
RMAN>
1.2.2.批量显示备份集信息
//批量显示多个备份集或者某备份目录中多个备份集信息
//语法：show backupsets with backupdir ['备份集1','备份集2'...'备份集N'] ｜'备份目录' ;
RMAN> show backupsets with backupdir '/home/dmdba/dmdbms/data/DAMENG/bak';
show backupsets with backupdir '/home/dmdba/dmdbms/data/DAMENG/bak';
CMD END.CODE:[0]
system path: /home/dmdba/dmdbms/data/DAMENG
db magic: 1281614678
permanent magic: 1432632398
rac node: 1
page check: 0
rlog encrypt: 0
external cipher[id/name]: 0/
external hash[id/name]: 0/
length in char: 0
use new hash: 1
page size: 8 KB
extent size: 16
case sensitive: 1
log page size: 512 B
unicode_flag/charset: 0
data version: 0x7000A
sys version: V7.6.0.142-Build(2019.03.12-103811)ENT
enable policy: 0
archive flag: 1
blank_pad_mode: 0
crc_check: TRUE
backupset sig: BA
backupset version: 4009
database name: DAMENG
backup name: DB_FULL_DAMENG_20200505_033131_000477
backupset description:
backupset ID : 3191970236
parent backupset ID: 4294967295
META file size : 86528
compressed level: 0
encrypt type: 0
parallel num: 1
backup range: database
mpp_timestamp: 1588620686
ddl_clone: FALSE
mpp_flag: FALSE
backup level: offline
backup type: full
without log: FALSE
START_LSN: 457668
START_SEQ: 159254
END_LSN: 457667
END_SEQ: 159253
base START_LSN: -1
base END_LSN: -1
base name:
base backupset:
backup time: 2020-05-05 03:31:33
min trx start lsn: 457668
min exec ver: 0x0701060C
pkg size: 0x02000000
backupset directory: /home/dmdba/dmdbms/data/DAMENG/bak/DB_DAMENG_FULL_20200505_033131_000477
backupset name: DB_DAMENG_FULL_20200505_033131_000477
backup data file num: 7
backup piece num: 1
$file_seq |$size(KB) |$pos_desc |$content_type
0 |31168 |DB_DAMENG_FULL_20200505_033131_000477.bak |DATA
$file_seq |$group_id |$group_name |$file_id |$file_path |$mirror_path |$file_len
1 |0 |SYSTEM |0 |/home/dmdba/dmdbms/data/DAMENG/SYSTEM.DBF| |23068672
2 |1 |ROLL |0 |/home/dmdba/dmdbms/data/DAMENG/ROLL.DBF| |134217728
3 |4 |MAIN |0 |/home/dmdba/dmdbms/data/DAMENG/MAIN.DBF| |134217728
4 |5 |DMHR |0 |/home/dmdba/dmdbms/data/DAMENG/DMHR.DBF| |134217728
5 |6 |TB40 |0 |/home/dmdba/tbs4_011.dbf | |53477376
6 |6 |TB40 |1 |/home/dmdba/tbs4_02.dbf | |52428800
7 |7 |SYSAUX |0 |/home/dmdba/dmdbms/data/DAMENG/SYSAWR.DBF| |134217728
$file_seq |$file_path |$file_len |$begin_lsn |$begin_seqno |$begin_rpag_off |$end_lsn |$end_seqno |$create_time |$close_time
…………
show backupsets successfully.
time used: 920.301(ms)
RMAN> 1.2.3.查看指定数据库的所有备份信息
提示报错
[dmdba@DM04 ~]$ disql SYSDBA/SYSDBA@localhost:5236
服务器[localhost:5236]:处于普通打开状态
登录使用时间: 10.639(毫秒)
disql V7.6.0.142-Build(2019.03.12-103811)ENT
SQL> select db_magic ;
行号 DB_MAGIC
---------- --------------------
1 3684671160
已用时间: 2.149(毫秒). 执行号:16.
SQL>
1.2.4.查看备份集的元数据信息
//语法：show backupset '备份集名' info meta ;
或show backupsets with backupdir '备份目录' info meta ;
//还可以接 info db 、info file
RMAN> show backupset '/home/dmdba/dmdbms/data/DAMENG/bak/DB_DAMENG_FULL_20200505_043433_000506' info meta ;
show backupset '/home/dmdba/dmdbms/data/DAMENG/bak/DB_DAMENG_FULL_20200505_043433_000506' info meta;
backupset sig: BA
backupset version: 4009
database name: DAMENG
backup name: DB_FULL_DAMENG_20200505_043433_000506
backupset description:
backupset ID : 3763028402
parent backupset ID: 4294967295
META file size : 82432
compressed level: 0
encrypt type: 0
parallel num: 1
backup range: database
mpp_timestamp: 1588624468
ddl_clone: FALSE
mpp_flag: FALSE
backup level: offline
backup type: full
without log: FALSE
START_LSN: 376660
START_SEQ: 0
END_LSN: 376659
END_SEQ: -1
base START_LSN: -1
base END_LSN: -1
base name:
base backupset:
backup time: 2020-05-05 04:34:35
min trx start lsn: 376660
min exec ver: 0x0701060C
pkg size: 0x02000000
show backupsets successfully.
time used: 5.734(ms)
RMAN> 1.2.5.导出备份集信息
//导出备份集信息到TXT或xml，默认是TXT
//语法：show backupset '备份集' to '/home/dmdba/db0905.txt' ;
或 show backupsets with backupdir '备份目录' to '/home/dmdba/db090501.xml' format xml ;
RMAN> show backupset '/home/dmdba/dmdbms/data/DAMENG/bak/DB_DAMENG_FULL_20200505_043433_000506' to '/home/dmdba/db0509.txt' ;
[dmdba@DM04 ~]$ cd /home/dmdba/
[dmdba@DM04 ~]$ more db0509.txt
system path: /home/dmdba/dmdbms/data/DAMENG
db magic: 3684671160
permanent magic: 1432632398
rac node: 1
page check: 0
rlog encrypt: 0
external cipher[id/name]: 0/
external hash[id/name]: 0/
length in char: 0
use new hash: 1
page size: 8 KB
extent size: 16
case sensitive: 1
log page size: 512 B
unicode_flag/charset: 0
data version: 0x7000A
sys version: V7.6.0.142-Build(2019.03.12-103811)ENT
enable policy: 0
archive flag: 1
blank_pad_mode: 0
crc_check: TRUE
backupset sig: BA
backupset version: 4009
database name: DAMENG
backup name: DB_FULL_DAMENG_20200505_043433_000506
backupset description:
backupset ID : 3763028402
parent backupset ID: 4294967295
META file size : 82432
compressed level: 0
encrypt type: 0
parallel num: 1
backup range: database
mpp_timestamp: 1588624468
ddl_clone: FALSE
mpp_flag: FALSE
backup level: offline
backup type: full
without log: FALSE
START_LSN: 376660
START_SEQ: 0
END_LSN: 376659
END_SEQ: -1
base START_LSN: -1
base END_LSN: -1
base name:
base backupset:
backup time: 2020-05-05 04:34:35
min trx start lsn: 376660
min exec ver: 0x0701060C
pkg size: 0x02000000
backupset directory: /home/dmdba/dmdbms/data/DAMENG/bak/DB_DAMENG_FULL_20200505_043433_000506
backupset name: DB_DAMENG_FULL_20200505_043433_000506
backup data file num: 7
backup piece num: 1
$file_seq |$size(KB) |$pos_desc |$content_type
0 |68264 |DB_DAMENG_FULL_20200505_043433_000506.bak |DATA
$file_seq |$group_id |$group_name |$file_id |$file_path |$mirror_path |$file_len
1 |0 |SYSTEM |0 |/home/dmdba/dmdbms/data/DAMENG/SYSTEM.DBF| |23068672
2 |1 |ROLL |0 |/home/dmdba/dmdbms/data/DAMENG/ROLL.DBF| |134217728
3 |4 |MAIN |0 |/home/dmdba/dmdbms/data/DAMENG/MAIN.DBF| |134217728
4 |5 |DMHR |0 |/home/dmdba/dmdbms/data/DAMENG/DMHR.DBF| |134217728
5 |6 |TB40 |0 |/home/dmdba/tbs4_011.dbf | |53477376
6 |6 |TB40 |1 |/home/dmdba/tbs4_02.dbf | |52428800
7 |7 |SYSAUX |0 |/home/dmdba/dmdbms/data/DAMENG/SYSAWR.DBF| |134217728
$file_seq |$file_path |$file_len |$begin_lsn |$begin_seqno |$begin_rpag_off |$end_lsn |$end_seqno |$create_time
|$close_time
[dmdba@DM04 ~]$ 2.备份集校验 (check)
2.1.校验备份集语法
//只能校验一个备份集
2.2.案例及实操
//检验备份集是否存在及合法
//语法：check backupset '备份集';
RMAN> check backupset '/home/dmdba/dmdbms/data/DAMENG/bak/DBFULL2020' ;
check backupset '/home/dmdba/dmdbms/data/DAMENG/bak/DBFULL2020';
CMD END.CODE:[0]
check backupset successfully.
time used: 60.505(ms)
RMAN> 3.备份集删除 (remove)
3.1.语法
或
3.2.删除备份集
//删除特定的备份集、批量删除所有备份集、批量删除指定时间前的备份集
3.2.1.删除特定的备份集
//每次只能删除一个备份集，若该备份集被作为其它备份集的基备份，则 需要指定为CACASE删除
//语法：remove backupset '备份集';
RMAN> remove backupset '/home/dmdba/dmdbms/data/DAMENG/bak/DBFULL2020' ;
remove backupset '/home/dmdba/dmdbms/data/DAMENG/bak/DBFULL2020';
CMD END.CODE:[0]
remove backupset successfully.
time used: 63.624(ms)
RMAN> 3.2.2.批量删除指定时间之前的备份
//语法：remove backupsets with backupdir '备份目录' until time '2020-04-29 00:00:00' ;
RMAN> remove backupsets with backupdir '/home/dmdba/dmdbms/data/DAMENG/bak/' until time '2020-04-29 00:00:00' ;
remove backupsets with backupdir '/home/dmdba/dmdbms/data/DAMENG/bak/' until time '2020-04-29 00:00:00';
CMD END.CODE:[-10000],DESC:[备份恢复时MML层出错(-10000)]
CMD END.CODE:[0]
remove backupset successfully.
time used: 1122.085(ms)
RMAN> 3.2.3.批量删除距离当前时间前 n 天产生的备份集
//语法：remove backupsets with backupdir '备份目录' before n ; #n取值，0－365天
RMAN> remove backupsets with backupdir '/home/dmdba/dmdbms/data/DAMENG/bak/' before 5 ;
remove backupsets with backupdir '/home/dmdba/dmdbms/data/DAMENG/bak/' before 5;
CMD END.CODE:[-10000],DESC:[备份恢复时MML层出错(-10000)]
CMD END.CODE:[0]
remove backupset successfully.
time used: 1208.919(ms)
RMAN>
[dmdba@DM04 bak]$ pwd
/home/dmdba/dmdbms/data/DAMENG/bak
[dmdba@DM04 bak]$ ls -ltr
总用量 44
-rw-r--r-- 1 dmdba dinstall 61 4月 27 11:14 dmsql.buf1587957037824364.buf
-rw-r--r-- 1 dmdba dinstall 8 4月 27 15:19 dmsql.buf1587970312095088.buf
drwxr-xr-x 2 dmdba dinstall 4096 4月 29 07:41 TAB_DMHR_CITY_2020_04_30_14_36_41
drwxr-xr-x 2 dmdba dinstall 4096 4月 29 07:46 DB_DAMENG_FULL_2020_04_30_14_41_29
drwxr-xr-x 2 dmdba dinstall 4096 4月 29 07:57 DB_DAMENG_INCRE_2020_04_30_14_52_13
drwxr-xr-x 2 dmdba dinstall 4096 4月 29 08:42 TS_DMHR_FULL_2020_04_30_15_38_03
drwxr-xr-x 2 dmdba dinstall 4096 5月 5 03:05 DB_DAMENG_FULL_20200505_030555_000638
drwxr-xr-x 2 dmdba dinstall 4096 5月 5 03:36 DB_DAMENG_FULL_2020_04_30_15_32_34
drwxr-xr-x 2 dmdba dinstall 4096 5月 5 04:34 DB_DAMENG_FULL_20200505_043433_000506
drwxr-xr-x 2 dmdba dinstall 4096 5月 6 03:41 DB_DAMENG_FULL_20200505_033131_000477
-rw-r--r-- 1 dmdba dinstall 50 5月 6 10:00 dmsql.buf1588730372953070.buf
[dmdba@DM04 bak]$ date
2020年 05月 08日 星期五 08:51:46 CST
[dmdba@DM04 bak]$ ls -ltr
总用量 24
-rw-r--r-- 1 dmdba dinstall 61 4月 27 11:14 dmsql.buf1587957037824364.buf
-rw-r--r-- 1 dmdba dinstall 8 4月 27 15:19 dmsql.buf1587970312095088.buf
drwxr-xr-x 2 dmdba dinstall 4096 5月 5 03:05 DB_DAMENG_FULL_20200505_030555_000638
drwxr-xr-x 2 dmdba dinstall 4096 5月 5 04:34 DB_DAMENG_FULL_20200505_043433_000506
drwxr-xr-x 2 dmdba dinstall 4096 5月 6 03:41 DB_DAMENG_FULL_20200505_033131_000477
-rw-r--r-- 1 dmdba dinstall 50 5月 6 10:00 dmsql.buf1588730372953070.buf
[dmdba@DM04 bak]$ 3.2.4批量删除所有备份集
//语法：remove backupsets with backupdir '备份目录' ;
RMAN> remove backupsets with backupdir '/home/dmdba/dmdbms/data/DAMENG/bak/' ;
remove backupsets with backupdir '/home/dmdba/dmdbms/data/DAMENG/bak/';
CMD END.CODE:[-10000],DESC:[备份恢复时MML层出错(-10000)]
CMD END.CODE:[0]
remove backupset successfully.
time used: 1212.461(ms)
RMAN>