Oracle12c Data Guard搭建手册

注：本文来源： 红黑联盟 《 Oracle12c Data Guard搭建手册 》

Oracle 12c 的DataGuard 是在CDB 级别进行的，所以我们的配置都是从CDB角度出发。

测试里主备库的数据库CDB名称相同。

1 环境说明

  1 OS Version：

  2

  3 [root@dave etc]# cat /etc/oracle-release

  4

  5 Oracle Linux Server release 6.3

  6

  7 [root@dave etc]# uname -r

  8

  9 2.6.39-200.29.3.el6uek.x86_64

 10

 11 DB Version:

 12

 13 SQL> select * from v$version;

 14

 15 BANNER CON_ID

 16

 17 ------------------------------------------------------------------------------------------

 18

 19 Oracle Database 12c Enterprise EditionRelease 12.1.0.1.0 - 64bit Production 0

 20

 21 PL/SQL Release 12.1.0.1.0 - Production 0

 22

 23 CORE 12.1.0.1.0 Production 0

 24

 25 TNS for Linux: Version 12.1.0.1.0 -Production 0

 26

 27 NLSRTL Version 12.1.0.1.0 - Production 0

 28

 29

 30

 31 SQL> show pdbs

 32

 33

 34

 35 CON_ID CON_NAME OPEN MODE RESTRICTED

 36

 37 ---------- ---------------------------------------- ----------

 38

 39 2 PDB$SEED READ ONLY NO

 40

 41 3 PCNDBA READ WRITE NO

 42

 43 SQL>

实例名：

Database

DB_UNIQUE_NAME

Oracle Net Service Name

Primary

PCNDBA_P

PCNDBA_P

Physical standby

PCNDBA_S

PCNDBA_S

IP 地址：

  1 [root@dave network-scripts]# cat /etc/hosts

  2

  3 127.0.0.1 localhost dave

  4

  5 192.168.56.3 dg1

  6

  7 192.168.56.4 dg2

  8

  9 [root@dave network-scripts]#

这里用主库上的PDB：PCNDBA 做我们的主库。

2 主库启动FORCE LOGGING

  1 SQL> select name,open_mode from v$pdbs;

  2

  3

  4

  5 NAME OPEN_MODE

  6

  7 ------------------------------ ----------

  8

  9 PDB$SEED READ ONLY

 10

 11 PCNDBA READ WRITE

 12

 13

 14

 15 SQL> alter database force logging;

 16

 17 Database altered.

 18

 19

 20

 21 SQL> select force_logging fromv$database;

 22

 23 FORCE_LOGGING

 24

 25 ---------------------------------------

 26

 27 YES

3 启动归档模式

  1 SQL> show con_name

  2

  3

  4

  5 CON_NAME

  6

  7 ------------------------------

  8

  9 CDB$ROOT

 10

 11 SQL> archive log list;

 12

 13 Database log mode No Archive Mode

 14

 15 Automatic archival Disabled

 16

 17 Archive destination USE_DB_RECOVERY_FILE_DEST

 18

 19 Oldest online log sequence 14

 20

 21 Current log sequence 16

 22

 23 SQL> shutdown immediate

 24

 25 Database closed.

 26

 27 Database dismounted.

 28

 29 ORACLE instance shut down.

 30

 31 SQL> startup mount

 32

 33 ORACLE instance started.

 34

 35

 36

 37 Total System Global Area 1620115456 bytes

 38

 39 Fixed Size 2288920 bytes

 40

 41 Variable Size 1040188136 bytes

 42

 43 Database Buffers 570425344 bytes

 44

 45 Redo Buffers 7213056 bytes

 46

 47 Database mounted.

 48

 49 SQL> alter database archivelog;

 50

 51

 52

 53 Database altered.

 54

 55

 56

 57 SQL>

这里归档直接放在FRA里了：

  1 SQL> show parameter recovery

  2

  3

  4

  5 NAME TYPE VALUE

  6

  7 ------------------------------------ -----------------------------------------

  8

  9 db_recovery_file_dest string /home/ora12c/app/oracle/fast_recovery_area

 10

 11 db_recovery_file_dest_size big integer 4800M

 12

 13 recovery_parallelism integer 0

 14

 15

 16

 17 SQL> alter system setdb_recovery_file_dest_size=10G;

 18

 19 System altered.

 20

 21

 22

 23 SQL> show parameter recovery

 24

 25 NAME TYPE VALUE

 26

 27 ----------------------------------------------- ------------------------------

 28

 29 db_recovery_file_dest string /home/ora12c/app/oracle/fast_recovery_area

 30

 31 db_recovery_file_dest_size biginteger 10G

 32

 33 recovery_parallelism integer 0

 34

 35 SQL>

 36

 37

 38

 39 SQL> alter database open;

 40

 41

 42

 43 Database altered.

 44

 45

 46

 47 SQL> select name,open_mode from v$pdbs;

 48

 49

 50

 51 NAME OPEN_MODE

 52

 53 ------------------------------ ----------

 54

 55 PDB$SEED READ ONLY

 56

 57 PCNDBA MOUNTED

 58

 59

 60

 61 SQL> alter pluggable database pcndbaopen;

 62

 63 Pluggable database altered.

 64

 65

 66

 67 SQL> select name,open_mode from v$pdbs;

 68

 69 NAME OPEN_MODE

 70

 71 ------------------------------ ----------

 72

 73 PDB$SEED READ ONLY

 74

 75 PCNDBA READ WRITE

4 在主库添加 standby redo logfile

在Oracle 12c的架构里，online redo log 和控制文件是保存在CDB中的，PDB中只有运行需要的数据文件，所以我们这里加standby redo log，也是在CDB中加。

查看 Primary 库的 REDO 相关信息： 

  1 SQL> show con_name

  2

  3

  4

  5 CON_NAME

  6

  7 ------------------------------

  8

  9 CDB$ROOT

 10

 11 SQL> select group#, members, bytes from v$log;

 12

 13

 14

 15 GROUP# MEMBERS BYTES

 16

 17 ---------- ---------- ----------

 18

 19 1 2 52428800

 20

 21 2 2 52428800

 22

 23 3 2 52428800

 24

 25

 26

 27 SQL> select member from v$logfile;

 28

 29

 30

 31 MEMBER

 32

 33 -----------------------------------------------------------------------------------------

 34

 35 /home/ora12c/app/oracle/oradata/CNDBA/onlinelog/o1_mf_3_9y3rrb3v_.log

 36

 37 /home/ora12c/app/oracle/fast_recovery_area/CNDBA/onlinelog/o1_mf_3_9y3rrb9n_.log

 38

 39 /home/ora12c/app/oracle/oradata/CNDBA/onlinelog/o1_mf_2_9y3rr54v_.log

 40

 41 /home/ora12c/app/oracle/fast_recovery_area/CNDBA/onlinelog/o1_mf_2_9y3rr5b2_.log

 42

 43 /home/ora12c/app/oracle/oradata/CNDBA/onlinelog/o1_mf_1_9y3rqznr_.log

 44

 45 /home/ora12c/app/oracle/fast_recovery_area/CNDBA/onlinelog/o1_mf_1_9y3rr09s_

添加 4(3+1)个standby logfile：

  1 SQL> alter database add standby logfile '/home/ora12c/app/oracle/oradata/CNDBA/onlinelog/stdredo01.log' size 50M;

  2

  3 Database altered.

  4

  5

  6

  7 SQL> alter database add standby logfile '/home/ora12c/app/oracle/oradata/CNDBA/onlinelog/stdredo02.log' size 50M;

  8

  9 Database altered.

 10

 11

 12

 13 SQL> alter database add standby logfile '/home/ora12c/app/oracle/oradata/CNDBA/onlinelog/stdredo03.log' size 50M;

 14

 15 Database altered.

 16

 17

 18

 19 SQL> alter database add standby logfile '/home/ora12c/app/oracle/oradata/CNDBA/onlinelog/stdredo04.log' size 50M;

 20

 21 Database altered.

5 分别在主备库配置监听并启动

  1 --这里直接使用netmgr工具生成：注意静态监听注册中配置的pdb。

  2

  3 [ora12c@dave admin]$ cat listener.ora

  4

  5 # listener.ora Network Configuration File:/home/ora12c/app/oracle/product/12.1.0/db_1/network/admin/listener.ora

  6

  7 # Generated by Oracle configuration tools.

  8

  9

 10

 11 SID_LIST_LISTENER =

 12

 13 (SID_LIST =

 14

 15 (SID_DESC =

 16

 17 (GLOBAL_DBNAME = cndba)

 18

 19 (ORACLE_HOME = /home/ora12c/app/oracle/product/12.1.0/db_1)

 20

 21 (SID_NAME = cndba)

 22

 23 )

 24

 25 )

 26

 27

 28

 29 LISTENER =

 30

 31 (DESCRIPTION_LIST =

 32

 33 (DESCRIPTION =

 34

 35 (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))

 36

 37 )

 38

 39 (DESCRIPTION =

 40

 41 (ADDRESS = (PROTOCOL = TCP)(HOST = dave)(PORT = 1521))

 42

 43 )

 44

 45 )

 46

 47

 48

 49 ADR_BASE_LISTENER = /home/ora12c/app/oracle

 50

 51

 52

 53 [ora12c@dave admin]$ lsnrctl reload

 54

 55

 56

 57 LSNRCTL for Linux: Version 12.1.0.1.0 -Production on 06-AUG-2014 19:26:50

 58

 59

 60

 61 Copyright (c) 1991, 2013, Oracle. All rights reserved.

 62

 63

 64

 65 Connecting to(DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))

 66

 67 The command completed successfully

6 分别在主备库配置tnsnames.ora

  1 [ora12c@dave admin]$ cat tnsnames.ora

  2

  3 # tnsnames.ora Network Configuration File: /home/ora12c/app/oracle/product/12.1.0/db_1/network/admin/tnsnames.ora

  4

  5 # Generated by Oracle configuration tools.

  6

  7

  8

  9 CNDBA_S =

 10

 11 (DESCRIPTION =

 12

 13 (ADDRESS_LIST =

 14

 15 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.56.4)(PORT = 1521))

 16

 17 )

 18

 19 (CONNECT_DATA =

 20

 21 (SERVICE_NAME = cndba)

 22

 23 )

 24

 25 )

 26

 27

 28

 29 CNDBA_P =

 30

 31 (DESCRIPTION =

 32

 33 (ADDRESS_LIST =

 34

 35 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.56.3)(PORT = 1521))

 36

 37 )

 38

 39 (CONNECT_DATA =

 40

 41 (SERVICE_NAME = cndba)

 42

 43 )

 44

 45 )

 46

 47

 48

 49 [ora12c@dave admin]$ tnsping cndba_s

 50

 51 [ora12c@dave admin]$ tnsping cndba_p

7 在备库创建必要的目录

可以参考主库的pfile中的路径：

  1 [ora12c@dave admin]$ mkdir -p /home/ora12c/app/oracle/fast_recovery_area

  2

  3 [ora12c@dave admin]$ mkdir -p/home/ora12c/app/oracle/oradata

  4

  5 [ora12c@dave admin]$ mkdir -p/home/ora12c/app/oracle/admin/cndba/adump

8 在主库创建pfile 文件并修改pfile 内容

  1 SQL> create pfile from spfile;

  2

  3 File created.

在pfile中添加如下内容：

  1 #add for primary dg

  2

  3 *.db_name='cndba'

  4

  5 *.db_unique_name='cndba_p'

  6

  7 *.log_archive_config='dg_config=(cndba_p,cndba_s)'

  8

  9 *.log_archive_dest_1='location=USE_DB_RECOVERY_FILE_DESTvalid_for=(all_logfiles,all_roles) db_unique_name=cndba_p'

 10

 11 *.log_archive_dest_2='service=cndba_s valid_for=(online_logfiles,primary_role) lgwr affirmsync db_unique_name=cndba_s'

 12

 13 *.log_archive_dest_state_1=enable

 14

 15 *.log_archive_dest_state_2=enable

 16

 17 *.standby_file_management='auto'

 18

 19 *.fal_server='cndba_s'

如果主备库CDB名称不同，还需要加如下参数：

  1 *.DB_FILE_NAME_CONVERT='cndba','dave'

  2

  3 *.LOG_FILE_NAME_CONVERT='cndba','dave'

用新参数重启数据库：

  1 SQL> shutdown immediate

  2

  3 Database closed.

  4

  5 Database dismounted.

  6

  7 ORACLE instance shut down.

  8

  9

 10

 11 SQL> create spfile from pfile;

 12

 13 File created.

 14

 15

 16

 17 SQL> startup

 18

 19 ORACLE instance started.

 20

 21

 22

 23 Total System Global Area 1620115456 bytes

 24

 25 Fixed Size 2288920 bytes

 26

 27 Variable Size 1040188136 bytes

 28

 29 Database Buffers 570425344 bytes

 30

 31 Redo Buffers 7213056 bytes

 32

 33 Database mounted.

 34

 35 Database opened.

 36

 37 SQL>

 38 9 将主库的口

9 将主库的口令文件copy到备库

我这里主备库的CDB实例相同，如果不同，可以使用orapwd命令重建。 

  1 [ora12c@dave dbs]$ scp orapwcndba192.168.56.4:`pwd`

  2

  3 ora12c@192.168.56.4's password:

  4

  5 orapwcndba 100% 7680 7.5KB/s 00:00

  6

  7 [ora12c@dave dbs]$

10 将主库的参数文件copy到备库并修改

  1 [ora12c@dave dbs]$ scp initcndba.ora192.168.56.4:`pwd`

  2

  3 ora12c@192.168.56.4's password:

  4

  5 initcndba.ora 100% 1593 1.6KB/s 00:00

  6

  7 [ora12c@dave dbs]$

  8

  9

 10

 11 修改如下内容，在重新生成spfile：

 12

 13 #add for standby dg

 14

 15 *.db_unique_name='cndba_s'

 16

 17 *.log_archive_config='dg_config=(cndba_p,cndba_s)'

 18

 19 *.log_archive_dest_1='location=USE_DB_RECOVERY_FILE_DESTvalid_for=(all_logfiles,all_roles) db_unique_name=cndba_s'

 20

 21 *.log_archive_dest_2='service=cndba_pvalid_for=(online_logfiles,primary_role) lgwr affirm sync db_unique_name=cndba_p'

 22

 23 *.log_archive_dest_state_1=enable

 24

 25 *.log_archive_dest_state_2=enable

 26

 27 *.standby_file_management='auto'

 28

 29 *.fal_server='cndba_p'

注意修改控制文件的路径，也使用新路径。

  1 SQL> create spfile from pfile;

  2

  3 File created.

11 用spfile 将备库启动到nomount 状态

  1 SQL> startup nomount

  2

  3 ORACLE instance started.

  4

  5

  6

  7 Total System Global Area 1620115456 bytes

  8

  9 Fixed Size 2288920 bytes

 10

 11 Variable Size 1040188136 bytes

 12

 13 Database Buffers 570425344 bytes

 14

 15 Redo Buffers 7213056 bytes

 16

 17 SQL>

12 开始进行Active duplicate

  1 [ora12c@dave network-scripts]$ rman targetsys/oracle@cndba_p auxiliary sys/oracle@cndba_s;

  2

  3

  4

  5 Recovery Manager: Release 12.1.0.1.0 -Production on Wed Aug 6 20:41:02 2014

  6

  7

  8

  9 Copyright (c) 1982, 2013, Oracle and/or itsaffiliates. All rights reserved.

 10

 11

 12

 13 connected to target database: CNDBA(DBID=119362621)

 14

 15 connected to auxiliary database: CNDBA (notmounted)

 16

 17

 18

 19

 20

 21 RMAN>duplicatetarget database for standby from active database nofilenamecheck dorecover;

 22

 23

 24

 25 [ora12c@dave network-scripts]$ rman targetsys/oracle@cndba_p auxiliary sys/oracle@cndba_s;

 26

 27

 28

 29 Recovery Manager: Release 12.1.0.1.0 -Production on Wed Aug 6 20:41:02 2014

 30

 31

 32

 33 Copyright (c) 1982, 2013, Oracle and/or itsaffiliates. All rights reserved.

 34

 35

 36

 37 connected to target database: CNDBA(DBID=119362621)

 38

 39 connected to auxiliary database: CNDBA (notmounted)

 40

 41

 42

 43 RMAN> duplicate target database forstandby from active database nofilenamecheck dorecover;

 44

 45

 46

 47 Starting Duplicate Db at 06-AUG-14

 48

 49 using target database control file insteadof recovery catalog

 50

 51 allocated channel: ORA_AUX_DISK_1

 52

 53 channel ORA_AUX_DISK_1: SID=21 devicetype=DISK

 54

 55 current log archived

 56

 57

 58

 59 contents of Memory Script:

 60

 61 {

 62

 63 backup as copy reuse

 64

 65 targetfile '/home/ora12c/app/oracle/product/12.1.0/db_1/dbs/orapwcndba' auxiliaryformat

 66

 67 '/home/ora12c/app/oracle/product/12.1.0/db_1/dbs/orapwcndba' ;

 68

 69 }

 70

 71 executing Memory Script

 72

 73

 74

 75 Starting backup at 06-AUG-14

 76

 77 allocated channel: ORA_DISK_1

 78

 79 channel ORA_DISK_1: SID=48 device type=DISK

 80

 81 Finished backup at 06-AUG-14

 82

 83

 84

 85 contents of Memory Script:

 86

 87 {

 88

 89 sql clone "alter system set control_files =

 90

 91 ''/home/ora12c/app/oracle/oradata/CNDBA/controlfile/o1_mf_9y3rqtn9_.ctl'',''/home/ora12c/app/oracle/fast_recovery_area/CNDBA/controlfile/o1_mf_9y3rqvky_.ctl''comment=

 92

 93 ''Set by RMAN'' scope=spfile";

 94

 95 restore clone from service 'cndba_p' standby controlfile;

 96

 97 }

 98

 99 executing Memory Script

100

101

102

103 sql statement: alter system set control_files = ''/home/ora12c/app/oracle/oradata/CNDBA/controlfile/o1_mf_9y3rqtn9_.ctl'',''/home/ora12c/app/oracle/fast_recovery_area/CNDBA/controlfile/o1_mf_9y3rqvky_.ctl''comment= ''Set by RMAN'' scope=spfile

104

105

106

107 Starting restore at 06-AUG-14

108

109 using channel ORA_AUX_DISK_1

110

111

112

113 channel ORA_AUX_DISK_1: starting datafilebackup set restore

114

115 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

116

117 channel ORA_AUX_DISK_1: restoring controlfile

118

119 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:00:07

120

121 output file name=/home/ora12c/app/oracle/oradata/CNDBA/controlfile/o1_mf_9y3rqtn9_.ctl

122

123 output filename=/home/ora12c/app/oracle/fast_recovery_area/CNDBA/controlfile/o1_mf_9y3rqvky_.ctl

124

125 Finished restore at 06-AUG-14

126

127

128

129 contents of Memory Script:

130

131 {

132

133 sql clone 'alter database mount standby database';

134

135 }

136

137 executing Memory Script

138

139

140

141 sql statement: alter database mount standbydatabase

142

143

144

145 contents of Memory Script:

146

147 {

148

149 set newname for clone tempfile 1to new;

150

151 set newname for clone tempfile 2to new;

152

153 set newname for clone tempfile 3to new;

154

155 switchclone tempfile all;

156

157 set newname for clone datafile 1to new;

158

159 set newname for clone datafile 3to new;

160

161 set newname for clone datafile 4to new;

162

163 set newname for clone datafile 5to new;

164

165 set newname for clone datafile 6to new;

166

167 set newname for clone datafile 7to new;

168

169 set newname for clone datafile 8to new;

170

171 set newname for clone datafile 9to new;

172

173 set newname for clone datafile 10to new;

174

175 restore

176

177 from service 'cndba_p' clone database

178

179 ;

180

181 sql 'alter system archive log current';

182

183 }

184

185 executing Memory Script

186

187

188

189 executing command: SET NEWNAME

190

191

192

193 executing command: SET NEWNAME

194

195

196

197 executing command: SET NEWNAME

198

199

200

201 renamed tempfile 1 to/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_temp_%u_.tmp in controlfile

202

203 renamed tempfile 2 to/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_temp_%u_.tmp in controlfile

204

205 renamed tempfile 3 to/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_temp_%u_.tmp in controlfile

206

207

208

209 executing command: SET NEWNAME

210

211

212

213 executing command: SET NEWNAME

214

215

216

217 executing command: SET NEWNAME

218

219

220

221 executing command: SET NEWNAME

222

223

224

225 executing command: SET NEWNAME

226

227

228

229 executing command: SET NEWNAME

230

231

232

233 executing command: SET NEWNAME

234

235

236

237 executing command: SET NEWNAME

238

239

240

241 executing command: SET NEWNAME

242

243

244

245 Starting restore at 06-AUG-14

246

247 using channel ORA_AUX_DISK_1

248

249

250

251 channel ORA_AUX_DISK_1: starting datafilebackup set restore

252

253 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

254

255 channel ORA_AUX_DISK_1: specifyingdatafile(s) to restore from backup set

256

257 channel ORA_AUX_DISK_1: restoring datafile00001 to /home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_system_%u_.dbf

258

259 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:01:37

260

261 channel ORA_AUX_DISK_1: starting datafilebackup set restore

262

263 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

264

265 channel ORA_AUX_DISK_1: specifyingdatafile(s) to restore from backup set

266

267 channel ORA_AUX_DISK_1: restoring datafile00003 to /home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_sysaux_%u_.dbf

268

269 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:01:25

270

271 channel ORA_AUX_DISK_1: starting datafilebackup set restore

272

273 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

274

275 channel ORA_AUX_DISK_1: specifying datafile(s)to restore from backup set

276

277 channel ORA_AUX_DISK_1: restoring datafile00004 to/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_undotbs1_%u_.dbf

278

279 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:00:25

280

281 channel ORA_AUX_DISK_1: starting datafilebackup set restore

282

283 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

284

285 channel ORA_AUX_DISK_1: specifyingdatafile(s) to restore from backup set

286

287 channel ORA_AUX_DISK_1: restoring datafile00005 to /home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_system_%u_.dbf

288

289 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:00:35

290

291 channel ORA_AUX_DISK_1: starting datafilebackup set restore

292

293 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

294

295 channel ORA_AUX_DISK_1: specifyingdatafile(s) to restore from backup set

296

297 channel ORA_AUX_DISK_1: restoring datafile00006 to /home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_users_%u_.dbf

298

299 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:00:01

300

301 channel ORA_AUX_DISK_1: starting datafilebackup set restore

302

303 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

304

305 channel ORA_AUX_DISK_1: specifyingdatafile(s) to restore from backup set

306

307 channel ORA_AUX_DISK_1: restoring datafile00007 to /home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_sysaux_%u_.dbf

308

309 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:01:15

310

311 channel ORA_AUX_DISK_1: starting datafilebackup set restore

312

313 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

314

315 channel ORA_AUX_DISK_1: specifyingdatafile(s) to restore from backup set

316

317 channel ORA_AUX_DISK_1: restoring datafile00008 to /home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_system_%u_.dbf

318

319 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:00:35

320

321 channel ORA_AUX_DISK_1: starting datafilebackup set restore

322

323 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

324

325 channel ORA_AUX_DISK_1: specifyingdatafile(s) to restore from backup set

326

327 channel ORA_AUX_DISK_1: restoring datafile00009 to /home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_sysaux_%u_.dbf

328

329 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:01:15

330

331 channel ORA_AUX_DISK_1: starting datafilebackup set restore

332

333 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

334

335 channel ORA_AUX_DISK_1: specifyingdatafile(s) to restore from backup set

336

337 channel ORA_AUX_DISK_1: restoring datafile00010 to /home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_users_%u_.dbf

338

339 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:00:03

340

341 Finished restore at 06-AUG-14

342

343

344

345 sql statement: alter system archive logcurrent

346

347 current log archived

348

349

350

351 contents of Memory Script:

352

353 {

354

355 restore clone force from service 'cndba_p'

356

357 archivelog from scn 1922781;

358

359 switch clone datafile all;

360

361 }

362

363 executing Memory Script

364

365

366

367 Starting restore at 06-AUG-14

368

369 using channel ORA_AUX_DISK_1

370

371

372

373 channel ORA_AUX_DISK_1: starting archivedlog restore to default destination

374

375 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

376

377 channel ORA_AUX_DISK_1: restoring archivedlog

378

379 archived log thread=1 sequence=18

380

381 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:00:01

382

383 channel ORA_AUX_DISK_1: starting archivedlog restore to default destination

384

385 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

386

387 channel ORA_AUX_DISK_1: restoring archivedlog

388

389 archived log thread=1 sequence=19

390

391 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:00:02

392

393 channel ORA_AUX_DISK_1: starting archivedlog restore to default destination

394

395 channel ORA_AUX_DISK_1: using networkbackup set from service cndba_p

396

397 channel ORA_AUX_DISK_1: restoring archivedlog

398

399 archived log thread=1 sequence=20

400

401 channel ORA_AUX_DISK_1: restore complete,elapsed time: 00:00:01

402

403 Finished restore at 06-AUG-14

404

405

406

407 datafile 1 switched to datafile copy

408

409 input datafile copy RECID=12STAMP=854916586 filename=/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_system_9y48opp7_.dbf

410

411 datafile 3 switched to datafile copy

412

413 input datafile copy RECID=13STAMP=854916586 filename=/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_sysaux_9y48rr3z_.dbf

414

415 datafile 4 switched to datafile copy

416

417 input datafile copy RECID=14STAMP=854916586 file name=/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_undotbs1_9y48vf5v_.dbf

418

419 datafile 5 switched to datafile copy

420

421 input datafile copy RECID=15STAMP=854916586 filename=/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_system_9y48w6bx_.dbf

422

423 datafile 6 switched to datafile copy

424

425 input datafile copy RECID=16STAMP=854916586 filename=/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_users_9y48x8jb_.dbf

426

427 datafile 7 switched to datafile copy

428

429 input datafile copy RECID=17STAMP=854916586 file name=/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_sysaux_9y48xb36_.dbf

430

431 datafile 8 switched to datafile copy

432

433 input datafile copy RECID=18STAMP=854916586 filename=/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_system_9y48zp0f_.dbf

434

435 datafile 9 switched to datafile copy

436

437 input datafile copy RECID=19STAMP=854916586 filename=/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_sysaux_9y490r5z_.dbf

438

439 datafile 10 switched to datafile copy

440

441 input datafile copy RECID=20STAMP=854916586 file name=/home/ora12c/app/oracle/oradata/CNDBA_S/datafile/o1_mf_users_9y493301_.dbf

442

443

444

445 contents of Memory Script:

446

447 {

448

449 set until scn 1923489;

450

451 recover

452

453 standby

454

455 clone database

456

457 delete archivelog

458

459 ;

460

461 }

462

463 executing Memory Script

464

465

466

467 executing command: SET until clause

468

469

470

471 Starting recover at 06-AUG-14

472

473 using channel ORA_AUX_DISK_1

474

475

476

477 starting media recovery

478

479

480

481 archived log for thread 1 with sequence 18is already on disk as file/home/ora12c/app/oracle/fast_recovery_area/CNDBA_S/archivelog/2014_08_06/o1_mf_1_18_9y49378o_.arc

482

483 archived log for thread 1 with sequence 19is already on disk as file/home/ora12c/app/oracle/fast_recovery_area/CNDBA_S/archivelog/2014_08_06/o1_mf_1_19_9y49387d_.arc

484

485 archived log for thread 1 with sequence 20is already on disk as file/home/ora12c/app/oracle/fast_recovery_area/CNDBA_S/archivelog/2014_08_06/o1_mf_1_20_9y493976_.arc

486

487 archived log filename=/home/ora12c/app/oracle/fast_recovery_area/CNDBA_S/archivelog/2014_08_06/o1_mf_1_18_9y49378o_.arcthread=1 sequence=18

488

489 archived log filename=/home/ora12c/app/oracle/fast_recovery_area/CNDBA_S/archivelog/2014_08_06/o1_mf_1_19_9y49387d_.arcthread=1 sequence=19

490

491 archived log filename=/home/ora12c/app/oracle/fast_recovery_area/CNDBA_S/archivelog/2014_08_06/o1_mf_1_20_9y493976_.arcthread=1 sequence=20

492

493 media recovery complete, elapsed time:00:00:01

494

495 Finished recover at 06-AUG-14

496

497 Finished Duplicate Db at 06-AUG-14

498

499

500

501 RMAN>

13 打开备库并并启动apply

duplicate 完成之后，备库是mount的。 

  1 SQL> select open_mode from v$database;

  2

  3

  4

  5 OPEN_MODE

  6

  7 ----------------------------------------

  8

  9 MOUNTED

 10

 11

 12

 13 SQL> show pdbs

 14

 15

 16

 17 CON_ID CON_NAME OPEN MODE RESTRICTED

 18

 19 ---------- ---------------------------------------- ----------

 20

 21 2 PDB$SEED MOUNTED

 22

 23 3 PCNDBA MOUNTED

 24

 25 SQL> alter database open;

 26

 27

 28

 29 Database altered.

 30

 31

 32

 33 SQL> show pdbs

 34

 35

 36

 37 CON_ID CON_NAME OPEN MODE RESTRICTED

 38

 39 ---------- ---------------------------------------- ----------

 40

 41 2 PDB$SEED READ ONLY NO

 42

 43 3 PCNDBA MOUNTED

 44

 45

 46

 47 SQL> alter pluggable database pcndbaopen;

 48

 49

 50

 51 Pluggable database altered.

 52

 53

 54

 55 SQL> show pdbs

 56

 57

 58

 59 CON_ID CON_NAME OPEN MODE RESTRICTED

 60

 61 ---------- ---------------------------------------- ----------

 62

 63 2 PDB$SEED READ ONLY NO

 64

 65 3 PCNDBA READ ONLY NO

备库是只读的。

  1 --查看主库：

  2

  3 SQL> select log_mode,open_mode ,database_role from v$database;

  4

  5

  6

  7 LOG_MODE OPEN_MODE DATABASE_ROLE

  8

  9 ------------ ------------------------------------

 10

 11 ARCHIVELOG READ WRITE PRIMARY

 12

 13

 14

 15 --备库：

 16

 17 SQL> select log_mode,open_mode ,database_role from v$database;

 18

 19

 20

 21 LOG_MODE OPEN_MODE DATABASE_ROLE

 22

 23 ------------ ------------------------------------

 24

 25 ARCHIVELOG READ ONLY PHYSICAL STANDBY

 26

 27

 28

 29

 30

 31 --启动real-time apply：

 32

 33 SQL> alter database recover managedstandby database using current logfile disconnect from session;

 34

 35 Database altered.

 36

 37

 38

 39 SQL> select open_mode from v$database;

 40

 41

 42

 43 OPEN_MODE

 44

 45 --------------------

 46

 47 READ ONLY WITH APPLY

14 验证DG

  1 --在主库创建一个table：

  2

  3

  4

  5 SQL> alter session set container=pcndba;

  6

  7 Session altered.

  8

  9

 10

 11 SQL> create table cndba as select * fromdba_users;

 12

 13 create table cndba as select * fromdba_users

 14

 15 *

 16

 17 ERROR at line 1:

 18

 19 ORA-01109: database not open

 20

 21

 22

 23

 24

 25 SQL> show pdbs

 26

 27

 28

 29 CON_ID CON_NAME OPEN MODE RESTRICTED

 30

 31 ---------- ---------------------------------------- ----------

 32

 33 3 PCNDBA MOUNTED

 34

 35 SQL> alter database open;

 36

 37 Database altered.

 38

 39

 40

 41 SQL> create table cndba as select * fromdba_users;

 42

 43 Table created.

 44

 45

 46

 47 SQL> alter system switch logfile;

 48

 49 alter system switch logfile

 50

 51 *

 52

 53 ERROR at line 1:

 54

 55 ORA-65040: operation not allowed fromwithin a pluggable database

注意：这里可以看到，对于12c的库，日志的切换只能在CDB中进行，也就是我们前面讲的，DG 是在CDB 级别进行的。

  1 SQL> alter system switch logfile;

  2

  3 System altered.

备库查询：

  1 SQL> select count(1) from cndba;

  2

  3 select count(1) from cndba

  4

  5 *

  6

  7 ERROR at line 1:

  8

  9 ORA-00942: table or view does not exist

提示表不存在，实际上，我们是在PDB里创建的，切换到对应的PDB下，就可以查询到了：

  1 SQL> alter session container=pcndba;

  2

  3 alter session container=pcndba

  4

  5 *

  6

  7 ERROR at line 1:

  8

  9 ORA-00922: missing or invalid option

 10

 11

 12

 13

 14

 15 SQL> alter session set container=pcndba;

 16

 17 Session altered.

 18

 19

 20

 21 SQL> select count(1) from cndba;

 22

 23

 24

 25 COUNT(1)

 26

 27 ----------

 28

 29 36

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