时光2020

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  1 1.rac集群资源现状
  2 [root@rac1 ~]# crsctl stat res -t
  3 --------------------------------------------------------------------------------
  4 NAME           TARGET  STATE        SERVER                   STATE_DETAILS
  5 --------------------------------------------------------------------------------
  6 Local Resources
  7 --------------------------------------------------------------------------------
  8 ora.DATADG1.dg
  9                ONLINE  ONLINE       rac1
 10                ONLINE  ONLINE       rac2
 11 ora.DATADG2.dg
 12                ONLINE  ONLINE       rac1
 13                ONLINE  ONLINE       rac2
 14 ora.DATADG3.dg
 15                ONLINE  ONLINE       rac1
 16                ONLINE  ONLINE       rac2
 17 ora.FRADG.dg
 18                ONLINE  ONLINE       rac1
 19                ONLINE  ONLINE       rac2
 20 ora.LISTENER.lsnr
 21                ONLINE  ONLINE       rac1
 22                ONLINE  ONLINE       rac2
 23 ora.SYSTEMDG.dg
 24                ONLINE  ONLINE       rac1
 25                ONLINE  ONLINE       rac2
 26 ora.asm
 27                ONLINE  ONLINE       rac1                     Started
 28                ONLINE  ONLINE       rac2                     Started
 29 ora.gsd
 30                OFFLINE OFFLINE      rac1
 31                OFFLINE OFFLINE      rac2
 32 ora.net1.network
 33                ONLINE  ONLINE       rac1
 34                ONLINE  ONLINE       rac2
 35 ora.ons
 36                ONLINE  ONLINE       rac1
 37                ONLINE  ONLINE       rac2
 38 --------------------------------------------------------------------------------
 39 Cluster Resources
 40 --------------------------------------------------------------------------------
 41 ora.LISTENER_SCAN1.lsnr
 42       1        ONLINE  ONLINE       rac1
 43 ora.cvu
 44       1        ONLINE  ONLINE       rac1
 45 ora.oc4j
 46       1        ONLINE  ONLINE       rac1
 47 ora.rac1.vip
 48       1        ONLINE  ONLINE       rac1
 49 ora.rac2.vip
 50       1        ONLINE  ONLINE       rac2
 51 ora.racdb.db
 52       1        ONLINE  ONLINE       rac1                     Open
 53       2        ONLINE  ONLINE       rac2                     Open
 54 ora.scan1.vip
 55       1        ONLINE  ONLINE       rac1
 56  
 57 2.创建参数文件备份
 58 SQL> create pfile='/home/oracle/rac_pfile.ora' from spfile;
 59  
 60 File created.
 61  
 62 3.备份控制文件
 63 SQL> col name for a80
 64 SQL> set pages 1000 lines 180
 65 SQL> select inst_id,name from gv$controlfile;
 66  
 67    INST_ID NAME
 68 ---------- --------------------------------------------------------------------------------
 69          1 +DATADG1/racdb/controlfile/current.256.1090271279
 70          1 +DATADG2/racdb/controlfile/current.256.1090271283
 71          2 +DATADG1/racdb/controlfile/current.256.1090271279
 72          2 +DATADG2/racdb/controlfile/current.256.1090271283
 73  
 74 SQL> alter database backup controlfile to '/home/oracle/racdb.ctl';
 75  
 76 Database altered.
 77  
 78 4.关闭数据库
 79 [oracle@rac1 ~]$ srvctl stop database -d racdb
 80 [root@rac1 ~]# crsctl stat res -t
 81 --------------------------------------------------------------------------------
 82 NAME           TARGET  STATE        SERVER                   STATE_DETAILS
 83 --------------------------------------------------------------------------------
 84 Local Resources
 85 --------------------------------------------------------------------------------
 86 ora.DATADG1.dg
 87                ONLINE  ONLINE       rac1
 88                ONLINE  ONLINE       rac2
 89 ora.DATADG2.dg
 90                ONLINE  ONLINE       rac1
 91                ONLINE  ONLINE       rac2
 92 ora.DATADG3.dg
 93                ONLINE  ONLINE       rac1
 94                ONLINE  ONLINE       rac2
 95 ora.FRADG.dg
 96                ONLINE  ONLINE       rac1
 97                ONLINE  ONLINE       rac2
 98 ora.LISTENER.lsnr
 99                ONLINE  ONLINE       rac1
100                ONLINE  ONLINE       rac2
101 ora.SYSTEMDG.dg
102                ONLINE  ONLINE       rac1
103                ONLINE  ONLINE       rac2
104 ora.asm
105                ONLINE  ONLINE       rac1                     Started
106                ONLINE  ONLINE       rac2                     Started
107 ora.gsd
108                OFFLINE OFFLINE      rac1
109                OFFLINE OFFLINE      rac2
110 ora.net1.network
111                ONLINE  ONLINE       rac1
112                ONLINE  ONLINE       rac2
113 ora.ons
114                ONLINE  ONLINE       rac1
115                ONLINE  ONLINE       rac2
116 --------------------------------------------------------------------------------
117 Cluster Resources
118 --------------------------------------------------------------------------------
119 ora.LISTENER_SCAN1.lsnr
120       1        ONLINE  ONLINE       rac1
121 ora.cvu
122       1        ONLINE  ONLINE       rac1
123 ora.oc4j
124       1        ONLINE  ONLINE       rac1
125 ora.rac1.vip
126       1        ONLINE  ONLINE       rac1
127 ora.rac2.vip
128       1        ONLINE  ONLINE       rac2
129 ora.racdb.db
130       1        OFFLINE OFFLINE                               Instance Shutdown
131       2        OFFLINE OFFLINE                               Instance Shutdown
132 ora.scan1.vip
133       1        ONLINE  ONLINE       rac1
134  
135 5.启动节点1到nomount状态
136 [oracle@rac1 ~]$ srvctl start instance -d racdb -i racdb1 -o nomount
137 [oracle@rac1 ~]$ srvctl status database -d racdb
138 实例 racdb1 正在节点 rac1 上运行
139 实例 racdb2 没有在 rac2 节点上运行
140  
141 SQL> select status from gv$instance;
142  
143 STATUS
144 ------------
145 STARTED
146  
147 5.rman还原控制文件
148 [oracle@rac1 ~]$ rman target /
149  
150 Recovery Manager: Release 11.2.0.4.0 - Production on Thu Jul 14 23:37:13 2022
151  
152 Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.
153  
154 connected to target database: RACDB (not mounted)
155  
156 RMAN> restore controlfile to '+DATADG3' from '+DATADG1/racdb/controlfile/current.256.1090271279';
157  
158 Starting restore at 14-JUL-22
159 using target database control file instead of recovery catalog
160 allocated channel: ORA_DISK_1
161 channel ORA_DISK_1: SID=16 instance=racdb1 device type=DISK
162  
163 channel ORA_DISK_1: copied control file copy
164 Finished restore at 14-JUL-22
165  
166  
167 [oracle@rac1 ~]$ rman target /
168  
169 Recovery Manager: Release 11.2.0.4.0 - Production on Thu Jul 14 23:37:13 2022
170  
171 Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.
172  
173 connected to target database: RACDB (not mounted)
174  
175 RMAN> restore controlfile to '+DATADG3' from '+DATADG1/racdb/controlfile/current.256.1090271279';
176  
177 Starting restore at 14-JUL-22
178 using target database control file instead of recovery catalog
179 allocated channel: ORA_DISK_1
180 channel ORA_DISK_1: SID=15 instance=racdb1 device type=DISK
181  
182 channel ORA_DISK_1: copied control file copy
183 Finished restore at 14-JUL-22
184  
185 RMAN>
186 6.查看还原的控制文件
187 [grid@rac2 ~]$ asmcmd
188 ASMCMD> lsdg
189 State    Type    Rebal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Voting_files  Name
190 MOUNTED  EXTERN  N         512   4096  1048576      5120     2882                0            2882              0             N  DATADG1/
191 MOUNTED  EXTERN  N         512   4096  1048576      5120     4688                0            4688              0             N  DATADG2/
192 MOUNTED  EXTERN  N         512   4096  1048576      5120     4892                0            4892              0             N  DATADG3/
193 MOUNTED  EXTERN  N         512   4096  1048576      2048     1867                0            1867              0             N  FRADG/
194 MOUNTED  NORMAL  N         512   4096  1048576      3072     2146             1024             561              0             Y  SYSTEMDG/
195 ASMCMD> ls
196 DATADG1/
197 DATADG2/
198 DATADG3/
199 FRADG/
200 SYSTEMDG/
201 ASMCMD> cd +DATADG3
202 ASMCMD> ls
203 RACDB/
204 ASMCMD> cd RACDB
205 ASMCMD> ls
206 CONTROLFILE/
207 DATAFILE/
208 ASMCMD> cd CONTROLFILE
209 ASMCMD> ls
210 current.257.1110065497
211 current.258.1110065841
212 ASMCMD>
213 ASMCMD>
214 ASMCMD> pwd
215 +DATADG3/RACDB/CONTROLFILE
216  
217 7.更新spfile控制文件参数
218 SQL> alter system set control_files='+DATADG3/RACDB/CONTROLFILE/current.257.1110065497','+DATADG3/RACDB/CONTROLFILE/current.258.1110065841' scope=spfile sid='*';
219  
220 System altered.
221  
222 8.重启数据库
223 关闭数据库:
224 [oracle@rac1 ~]$ srvctl stop instance -d racdb -i racdb1
225  
226 [root@rac1 ~]# crsctl stat res -t
227 --------------------------------------------------------------------------------
228 NAME           TARGET  STATE        SERVER                   STATE_DETAILS
229 --------------------------------------------------------------------------------
230 Local Resources
231 --------------------------------------------------------------------------------
232 ora.DATADG1.dg
233                ONLINE  ONLINE       rac1
234                ONLINE  ONLINE       rac2
235 ora.DATADG2.dg
236                ONLINE  ONLINE       rac1
237                ONLINE  ONLINE       rac2
238 ora.DATADG3.dg
239                ONLINE  ONLINE       rac1
240                ONLINE  ONLINE       rac2
241 ora.FRADG.dg
242                ONLINE  ONLINE       rac1
243                ONLINE  ONLINE       rac2
244 ora.LISTENER.lsnr
245                ONLINE  ONLINE       rac1
246                ONLINE  ONLINE       rac2
247 ora.SYSTEMDG.dg
248                ONLINE  ONLINE       rac1
249                ONLINE  ONLINE       rac2
250 ora.asm
251                ONLINE  ONLINE       rac1                     Started
252                ONLINE  ONLINE       rac2                     Started
253 ora.gsd
254                OFFLINE OFFLINE      rac1
255                OFFLINE OFFLINE      rac2
256 ora.net1.network
257                ONLINE  ONLINE       rac1
258                ONLINE  ONLINE       rac2
259 ora.ons
260                ONLINE  ONLINE       rac1
261                ONLINE  ONLINE       rac2
262 --------------------------------------------------------------------------------
263 Cluster Resources
264 --------------------------------------------------------------------------------
265 ora.LISTENER_SCAN1.lsnr
266       1        ONLINE  ONLINE       rac1
267 ora.cvu
268       1        ONLINE  ONLINE       rac1
269 ora.oc4j
270       1        ONLINE  ONLINE       rac1
271 ora.rac1.vip
272       1        ONLINE  ONLINE       rac1
273 ora.rac2.vip
274       1        ONLINE  ONLINE       rac2
275 ora.racdb.db
276       1        OFFLINE OFFLINE                               Instance Shutdown
277       2        OFFLINE OFFLINE                               Instance Shutdown
278 ora.scan1.vip
279       1        ONLINE  ONLINE       rac1
280        
281 启动数据库
282 [oracle@rac1 ~]$ srvctl start database -d racdb
283  
284 [root@rac1 ~]# crsctl stat res -t
285 --------------------------------------------------------------------------------
286 NAME           TARGET  STATE        SERVER                   STATE_DETAILS
287 --------------------------------------------------------------------------------
288 Local Resources
289 --------------------------------------------------------------------------------
290 ora.DATADG1.dg
291                ONLINE  ONLINE       rac1
292                ONLINE  ONLINE       rac2
293 ora.DATADG2.dg
294                ONLINE  ONLINE       rac1
295                ONLINE  ONLINE       rac2
296 ora.DATADG3.dg
297                ONLINE  ONLINE       rac1
298                ONLINE  ONLINE       rac2
299 ora.FRADG.dg
300                ONLINE  ONLINE       rac1
301                ONLINE  ONLINE       rac2
302 ora.LISTENER.lsnr
303                ONLINE  ONLINE       rac1
304                ONLINE  ONLINE       rac2
305 ora.SYSTEMDG.dg
306                ONLINE  ONLINE       rac1
307                ONLINE  ONLINE       rac2
308 ora.asm
309                ONLINE  ONLINE       rac1                     Started
310                ONLINE  ONLINE       rac2                     Started
311 ora.gsd
312                OFFLINE OFFLINE      rac1
313                OFFLINE OFFLINE      rac2
314 ora.net1.network
315                ONLINE  ONLINE       rac1
316                ONLINE  ONLINE       rac2
317 ora.ons
318                ONLINE  ONLINE       rac1
319                ONLINE  ONLINE       rac2
320 --------------------------------------------------------------------------------
321 Cluster Resources
322 --------------------------------------------------------------------------------
323 ora.LISTENER_SCAN1.lsnr
324       1        ONLINE  ONLINE       rac1
325 ora.cvu
326       1        ONLINE  ONLINE       rac1
327 ora.oc4j
328       1        ONLINE  ONLINE       rac1
329 ora.rac1.vip
330       1        ONLINE  ONLINE       rac1
331 ora.rac2.vip
332       1        ONLINE  ONLINE       rac2
333 ora.racdb.db
334       1        ONLINE  ONLINE       rac1                     Open
335       2        ONLINE  ONLINE       rac2                     Open
336 ora.scan1.vip
337       1        ONLINE  ONLINE       rac1
338        
339 9.查看修改后控制文件
340 SQL> set pages 1000 lines 180
341 SQL> col name for a80
342 SQL>
343 SQL> select inst_id,name from gv$controlfile;
344  
345    INST_ID NAME
346 ---------- --------------------------------------------------------------------------------
347          2 +DATADG3/racdb/controlfile/current.257.1110065497
348          2 +DATADG3/racdb/controlfile/current.258.1110065841
349          1 +DATADG3/racdb/controlfile/current.257.1110065497
350          1 +DATADG3/racdb/controlfile/current.258.1110065841

 

posted on 2022-12-01 15:39  时光2020  阅读(82)  评论(0编辑  收藏  举报