dm8 备份与恢复

文牧之2024-04-07 2:32

dm8 备份与恢复

sql 复制代码 
基础环境
操作系统：Red Hat Enterprise Linux Server release 7.9 (Maipo)
数据库版本：DM Database Server 64 V8
架构：单实例

1 设置bak_path路径

sql 复制代码 
--创建备份文件存放目录
su - dmdba
mkdir -p /dm8/backup

--修改dm.ini 文件
BAK_PATH                        = /dm8/backup                      #backup file path


[dmdba@test1 dm8]$ disql sysdba/Dameng123@localhost:5237

服务器[localhost:5237]:处于普通打开状态
登录使用时间 : 3.937(ms)
disql V8
SQL> select name,value,sys_value,file_value from v$parameter where name='BAK_PATH';

行号     NAME     VALUE              SYS_VALUE          FILE_VALUE 
---------- -------- ------------------ ------------------ -----------
1          BAK_PATH /dm8/data/PROD/bak /dm8/data/PROD/bak /dm8/backup

已用时间: 4.748(毫秒). 执行号:1000.
SQL> exit

--重启实例
[root@test1 arch]# systemctl restart DmServiceTEST.service 

[dmdba@test1 dm8]$ disql sysdba/Dameng123@localhost:5237

服务器[localhost:5237]:处于普通打开状态
登录使用时间 : 3.611(ms)
disql V8
SQL> select name,value,sys_value,file_value from v$parameter where name='BAK_PATH';

行号     NAME     VALUE       SYS_VALUE   FILE_VALUE 
---------- -------- ----------- ----------- -----------
1          BAK_PATH /dm8/backup /dm8/backup /dm8/backup

已用时间: 5.328(毫秒). 执行号:500.
SQL>

2 全库备份

2.1 文本方式

sql 复制代码 
[dmdba@test1 ~]$ disql sysdba/Dameng123@localhost:5237

服务器[localhost:5237]:处于普通打开状态
登录使用时间 : 3.724(ms)
disql V8
SQL> backup database full to "20230729_bak" backupset '20230729_bak';
操作已执行
已用时间: 00:00:03.084. 执行号:600.
SQL> select backup_name,backup_path from v$backupset;

行号     BACKUP_NAME  BACKUP_PATH             
---------- ------------ ------------------------
1          20230729_bak /dm8/backup/20230729_bak

已用时间: 16.554(毫秒). 执行号:601.

2.2 图形界面

sql 复制代码 
[dmdba@test1 ~]$ manager

3 数据文件恢复

3.1 模拟报错

sql 复制代码 
模拟报错
2023-07-28 19:04:38.204 [INFO] database P0000074443 T0000000000000074443  hlog_sys_destroy, n_logs[1], adjust_sta[0]
2023-07-28 19:04:38.206 [INFO] database P0000074443 T0000000000000074443  file lsn: 43705
2023-07-28 19:04:38.206 [INFO] database P0000074443 T0000000000000074443  ndct_load_ex_idcls_map load 0 ex_idcls.
2023-07-28 19:04:38.207 [INFO] database P0000074443 T0000000000000074443  ndct db load finished
2023-07-28 19:04:38.211 [ERROR] database P0000074443 T0000000000000074443  os_file_open_low_real error! desc: No such file or directory, path: /dm8/data/PROD/TBS01.dbf, code: 2
2023-07-28 19:04:38.211 [ERROR] database P0000074443 T0000000000000074443  os_file_open_low_real error! desc: No such file or directory, path: /dm8/data/PROD/TBS01.dbf, code: 2
2023-07-28 19:04:38.211 [INFO] database P0000074443 T0000000000000074443  ndct second level fill fast pool finished
2023-07-28 19:04:38.211 [INFO] database P0000074443 T0000000000000074443  ndct third level fill fast pool finished
2023-07-28 19:04:38.227 [INFO] database P0000074443 T0000000000000074443  ndct second level fill fast pool finished
2023-07-28 19:04:38.227 [INFO] database P0000074443 T0000000000000074443  ndct third level fill fast pool finished
2023-07-28 19:04:38.227 [INFO] database P0000074443 T0000000000000074443  ndct fill fast pool finished
2023-07-28 19:04:38.228 [ERROR] database P0000074443 T0000000000000074443  os_file_open_low_real error! desc: No such file or directory, path: /dm8/data/PROD/TBS01.dbf, code: 2
2023-07-28 19:04:38.228 [ERROR] database P0000074443 T0000000000000074443  os_file_open_low_real error! desc: No such file or directory, path: /dm8/data/PROD/TBS01.dbf, code: 2
2023-07-28 19:04:38.229 [INFO] database P0000074443 T0000000000000074443  sess4 aux tsksys init success
2023-07-28 19:04:38.238 [WARNING] database P0000074443 T0000000000000074443  fail to load libgssapi_krb5.so, libgssapi_krb5.so: cannot open shared object file: No such file or directory
2023-07-28 19:04:38.247 [INFO] database P0000074443 T0000000000000074443  nsvr_startup end.
2023-07-28 19:04:38.349 [INFO] database P0000074443 T0000000000000074443  aud sys init success.
2023-07-28 19:04:38.349 [INFO] database P0000074443 T0000000000000074443  aud rt sys init success.
2023-07-28 19:04:38.350 [INFO] database P0000074443 T0000000000000074443  systables desc init success.
2023-07-28 19:04:38.350 [INFO] database P0000074443 T0000000000000074443  ndct_db_load_info success.
2023-07-28 19:04:38.351 [INFO] database P0000074443 T0000000000000074516  nsvr_lsnr_thread successfully created.
2023-07-28 19:04:38.351 [INFO] database P0000074443 T0000000000000074443  backup control file /dm8/data/PROD/dm.ctl to file /dm8/data/PROD/dm_20230728190438_351399.ctl
2023-07-28 19:04:38.353 [INFO] database P0000074443 T0000000000000074443  backup control file /dm8/data/PROD/dm.ctl to file /dm8/data/PROD/ctl_bak/dm_20230728190438_352275.ctl succeed
2023-07-28 19:04:38.353 [INFO] database P0000074443 T0000000000000074443  local instance name is TEST, mode is NORMAL, status is MOUNT.
2023-07-28 19:04:38.353 [INFO] database P0000074443 T0000000000000074443  SYSTEM IS READY.
2023-07-28 19:04:38.353 [INFO] database P0000074443 T0000000000000074443  set g_dw_stat from UNDEFINED to NONE success, g_dw_recover_stop is 0
2023-07-28 19:04:39.351 [INFO] database P0000074443 T0000000000000074479  iid_set_new_next_trxid_if_necessary, next_trxid: 11035

3.2 恢复

3.2.1 文本方式
sql 复制代码 
--关闭实例
[root@test1 arch]# systemctl stop DmServiceTEST.service 

--恢复
[dmdba@test1 PROD]$ dmrman
dmrman V8
RMAN> check backupset '/dm8/backup/20230729_bak';
check backupset '/dm8/backup/20230729_bak';
[Percent:100.00%][Speed:0.00M/s][Cost:00:00:00][Remaining:00:00:00]                                 
check backupset successfully.
time used: 136.189(ms)
RMAN> RESTORE DATABASE '/dm8/data/PROD/dm.ini' tablespace "TBS" FROM BACKUPSET '/dm8/backup/20230729_bak' DEVICE TYPE disk;
RESTORE DATABASE '/dm8/data/PROD/dm.ini' tablespace "TBS" FROM BACKUPSET '/dm8/backup/20230729_bak' DEVICE TYPE disk;
Database mode = 0, oguid = 0
Normal of FAST
Normal of DEFAULT
Normal of RECYCLE
Normal of KEEP
Normal of ROLL
begin redo pwr log collect, last ckpt lsn: 43705 ...
redo pwr log collect finished
EP[0]'s cur_lsn[43705], file_lsn[43705]
[Percent:100.00%][Speed:0.00M/s][Cost:00:00:02][Remaining:00:00:00]                                 
restore successfully.
time used: 00:00:02.418
RMAN> RECOVER DATABASE '/dm8/data/PROD/dm.ini' TABLESPACE TBS WITH ARCHIVEDIR '/dm8/arch';
RECOVER DATABASE '/dm8/data/PROD/dm.ini' TABLESPACE TBS WITH ARCHIVEDIR '/dm8/arch';
Database mode = 0, oguid = 0
Normal of FAST
Normal of DEFAULT
Normal of RECYCLE
Normal of KEEP
Normal of ROLL
begin redo pwr log collect, last ckpt lsn: 43705 ...
redo pwr log collect finished
EP[0]'s cur_lsn[43705], file_lsn[43705]
[Percent:100.00%][Speed:0.00PKG/s][Cost:00:00:00][Remaining:00:00:00]                               
recover successfully.
time used: 428.573(ms)

--开启实例
[root@test1 arch]# systemctl start DmServiceTEST.service 

[dmdba@test1 PROD]$ disql sysdba/Dameng123@localhost:5237

服务器[localhost:5237]:处于普通打开状态
登录使用时间 : 3.691(ms)
disql V8
SQL> select status$ from v$instance;

行号     STATUS$
---------- -------
1          OPEN

已用时间: 1.736(毫秒). 执行号:500.
3.2.2 图形界面
sql 复制代码 
[dmdba@test1 ~]$ console


sql 复制代码 
[dmdba@test1 PROD]$ DmServiceTEST start
Starting DmServiceTEST:                                    [ OK ]
[dmdba@test1 PROD]$ disql sysdba/Dameng123@localhost:5237

服务器[localhost:5237]:处于普通打开状态
登录使用时间 : 3.502(ms)
disql V8
SQL> select status$ from v$instance;

行号     STATUS$
---------- -------
1          OPEN

已用时间: 9.941(毫秒). 执行号:500.
SQL> select file_name from dba_data_files;

行号     FILE_NAME                
---------- -------------------------
1          /dm8/data/PROD/SYSTEM.DBF
2          /dm8/data/PROD/TBS02.dbf
3          /dm8/data/PROD/TBS01.dbf
4          /dm8/data/PROD/MAIN.DBF
5          /dm8/data/PROD/TEMP.DBF
6          /dm8/data/PROD/ROLL.DBF

6 rows got

已用时间: 18.857(毫秒). 执行号:501.
SQL>

4 数据库全库恢复

4.1 模拟报错

sql 复制代码 
2023-07-31 05:34:41.856 [INFO] database P0000026050 T0000000000000026050  INI parameter DPC_2PC changed, the original value 1, new value 0
2023-07-31 05:34:41.863 [INFO] database P0000026050 T0000000000000026050  version info: develop
2023-07-31 05:34:41.864 [INFO] database P0000026050 T0000000000000026050  os_sema2_create_low, create and inc sema success, key:151595369, sem_id:65539, sem_value:1!
2023-07-31 05:34:41.864 [ERROR] database P0000026050 T0000000000000026050  /dm8/data/PROD/SYSTEM.DBF not exist

[dmdba@test1 PROD]$ DmServiceTEST start
Starting DmServiceTEST:                                    [ FAILED ]

4.2 恢复

4.2.1 文本方式
sql 复制代码 
[dmdba@test1 dm8]$ dmrman
dmrman V8
RMAN> check backupset '/dm8/backup/20230801_bak';
check backupset '/dm8/backup/20230801_bak';
[Percent:100.00%][Speed:0.00M/s][Cost:00:00:00][Remaining:00:00:00]                                 
check backupset successfully.
time used: 138.700(ms)
RMAN> RESTORE DATABASE '/dm8/data/PROD/dm.ini' FROM BACKUPSET '/dm8/backup/20230801_bak' DEVICE TYPE disk;
RESTORE DATABASE '/dm8/data/PROD/dm.ini' FROM BACKUPSET '/dm8/backup/20230801_bak' DEVICE TYPE disk;
file dm.key not found, use default license!
Normal of FAST
Normal of DEFAULT
Normal of RECYCLE
Normal of KEEP
Normal of ROLL
[Percent:100.00%][Speed:0.00M/s][Cost:00:00:02][Remaining:00:00:00]                                 
restore successfully.
time used: 00:00:02.403
RMAN> RECOVER DATABASE '/dm8/data/PROD/dm.ini' WITH ARCHIVEDIR '/dm8/arch';
RECOVER DATABASE '/dm8/data/PROD/dm.ini' WITH ARCHIVEDIR '/dm8/arch';
Database mode = 0, oguid = 0
Normal of FAST
Normal of DEFAULT
Normal of RECYCLE
Normal of KEEP
Normal of ROLL
EP[0]'s cur_lsn[44962], file_lsn[44962]
[Percent:100.00%][Speed:0.00PKG/s][Cost:00:00:00][Remaining:00:00:00]                               
recover successfully!
time used: 410.957(ms)
RMAN> recover database '/dm8/data/PROD/dm.ini' update db_magic;
recover database '/dm8/data/PROD/dm.ini' update db_magic;
Database mode = 0, oguid = 0
Normal of FAST
Normal of DEFAULT
Normal of RECYCLE
Normal of KEEP
Normal of ROLL
EP[0]'s cur_lsn[46614], file_lsn[46614]
recover successfully!
time used: 00:00:01.001
RMAN>


确认
[dmdba@test1 PROD]$ DmServiceTEST start
Starting DmServiceTEST:                                    [ OK ]
[dmdba@test1 PROD]$ disql sysdba/Dameng123@localhost:5237

服务器[localhost:5237]:处于普通打开状态
登录使用时间 : 3.070(ms)
disql V8
SQL> select status$ from v$instance;

行号     STATUS$
---------- -------
1          OPEN

已用时间: 1.994(毫秒). 执行号:500.
SQL> select file_name from dba_data_files;

行号     FILE_NAME                
---------- -------------------------
1          /dm8/data/PROD/SYSTEM.DBF
2          /dm8/data/PROD/TBS02.dbf
3          /dm8/data/PROD/TBS01.dbf
4          /dm8/data/PROD/MAIN.DBF
5          /dm8/data/PROD/TEMP.DBF
6          /dm8/data/PROD/ROLL.DBF

6 rows got

已用时间: 7.471(毫秒). 执行号:501.
SQL>
4.2.2 图形界面
sql 复制代码 
[dmdba@test1 ~]$ console

sql 复制代码 
[dmdba@test1 PROD]$ DmServiceTEST start
Starting DmServiceTEST:                                    [ OK ]
[dmdba@test1 PROD]$ disql sysdba/Dameng123@localhost:5237

服务器[localhost:5237]:处于普通打开状态
登录使用时间 : 3.766(ms)
disql V8
SQL> select status$ from v$instance;

行号     STATUS$
---------- -------
1          OPEN

已用时间: 2.323(毫秒). 执行号:500.
SQL> select file_name from dba_data_files;

行号     FILE_NAME                
---------- -------------------------
1          /dm8/data/PROD/SYSTEM.DBF
2          /dm8/data/PROD/TBS02.dbf
3          /dm8/data/PROD/TBS01.dbf
4          /dm8/data/PROD/MAIN.DBF
5          /dm8/data/PROD/TEMP.DBF
6          /dm8/data/PROD/ROLL.DBF

6 rows got

已用时间: 9.022(毫秒). 执行号:501.
SQL>

5 归档日志备份与恢复

5.1 归档日志备份

5.1.1 文本方式
sql 复制代码 
[dmdba@test1 backup]$ disql sysdba/Dameng123@localhost:5239

Server[localhost:5239]:mode is normal, state is open
login used time : 2.420(ms)
disql V8
SQL> backup archivelog all not backed up to "ARCH_20230806" backupset 'ARCH_20230806';
executed successfully
used time: 00:00:03.536. Execute id is 900.
SQL> select backup_name,backup_path,object_name from v$backupset;

LINEID     BACKUP_NAME   BACKUP_PATH           OBJECT_NAME
---------- ------------- --------------------- -----------
1          DB_BAK        /backup/DB_BAK        PROD
2          ARCH_20230806 /backup/ARCH_20230806 ARCHIVE

used time: 17.186(ms). Execute id is 901.
SQL>
5.1.2 图形界面



5.2 恢复

5.2.1 文本方式
sql 复制代码 
[dmdba@test1 arch]$ dmrman
dmrman V8
RMAN> restore archive log from backupset '/backup/ARCH_20230806' TO  archivedir '/dm/arch' overwrite 2;
restore archive log from backupset '/backup/ARCH_20230806' TO archivedir '/dm/arch' overwrite 2;
[Percent:100.00%][Speed:0.00M/s][Cost:00:00:00][Remaining:00:00:00]                                 
restore successfully.
time used: 150.999(ms)
5.2.2 图形界面

dmdba@test1 tool\]$ ![在这里插入图片描述](https://file.jishuzhan.net/article/1776679461886889985/7be045e9dfc5f5452b1c43fa47f3e29c.webp) ![在这里插入图片描述](https://file.jishuzhan.net/article/1776679461886889985/1959bcd7c8f53860ad56909790a44af8.webp) ![在这里插入图片描述](https://file.jishuzhan.net/article/1776679461886889985/e6b72e5845c47edb303877cc34b4304c.webp) ![在这里插入图片描述](https://file.jishuzhan.net/article/1776679461886889985/92a89234d2cfa009dac1c4ffd8ee3939.webp) ![在这里插入图片描述](https://file.jishuzhan.net/article/1776679461886889985/aef57c7e3d5d06f6df8debff5dffd93f.webp) 谨记：心存敬畏，行有所止。

相关推荐
有一个好名字37 分钟前
MyBatis-Plus 三种数据库操作方式详解 + 常用方法大全
数据库·mybatis
-Xie-1 小时前
Redis（八）——多线程与单线程
java·数据库·redis
wanhengidc1 小时前
云手机的软件核心是什么
运维·服务器·web安全·游戏·智能手机
G探险者1 小时前
为什么 VARCHAR(1000) 存不了 1000 个汉字？ —— 详解主流数据库“字段长度”的底层差异
数据库·后端·mysql
芬加达1 小时前
jvm八股
运维·服务器·jvm
小兔薯了2 小时前
11. Linux firewall 防火墙管理
linux·运维·服务器
Albert Tan2 小时前
Oracle EBS R12.2.14 清理FND_LOBS并释放磁盘空间
数据库·oracle
L.EscaRC2 小时前
图数据库Neo4j原理与运用
数据库·oracle·neo4j
知己80802 小时前
docker搭建图数据库neo4j
数据库·docker·neo4j
TDengine （老段）3 小时前
什么是 TDengine IDMP？
大数据·数据库·物联网·时序数据库·tdengine·涛思数据
热门推荐
01GitHub 镜像站点02今天 Cloudflare 全球事故，连 GPT 和你的网站都一起“掉线”了03UV安装并设置国内源04BongoCat - 跨平台键盘猫动画工具05安娜的档案(Anna’s Archive) 镜像网站/国内最新可访问入口（持续更新）06Linux下V2Ray安装配置指南07全球最强模型Grok4，国内已可免费使用！（附教程）08Google Antigravity：无法登录？早期错误、登录修复和用户反馈指南09Valdi：Snapchat 开源的新一代跨平台 UI 框架10Labelme从安装到标注：零基础完整指南