Networker恢復oracle rac到單機
Networker恢復oracle rac到單機
此處oracle為oracle19c pdb
參考 Networker恢復oracle單節點,這裡主要列出來一些不同之處
http://blog.itpub.net/70004783/viewspace-2845335/
oracle恢復過程
此處oracle204是我用來恢復的單機
在oracle204機器上,建立最簡單的c引數檔案
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[oracle@oracle204 dbs]$
cat
initprod.ora *.db_name=
'prod' *.sga_target=1496m [oracle@oracle204 dbs]$
pwd /u01/app/oracle/product/19c/db_1/dbs |
啟動資料庫到nomount狀態
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[oracle@oracle204 dbs]$ sqlplus / as sysdba SQL*Plus: Release 19.0.0.0.0 - Production on Mon Dec 6 10:35:18 2021 Version 19.3.0.0.0 Copyright (c) 1982, 2019, Oracle. All rights reserved. Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.3.0.0.0 SQL> startup nomount |
在Networker查詢最新的備份,確定rman恢復指令碼。
首先恢復引數檔案
依據查詢的引數對應修改這一行
send 'NSR_ENV=( NSR_CLIENT= rac1-vip ,NSR_SERVER= backserver,NSR_DATA_VOLUME_POOL= bstindex)';
RMAN> set dbid=496022129; executing command: SET DBID RMAN> run { allocate channel t1 type 'SBT_TAPE'; send 'NSR_ENV=( NSR_CLIENT=rac1-vip,NSR_SERVER=backserver,NSR_DATA_VOLUME_POOL=bstindex)'; restore spfile from autobackup; release channel t1; }2> 3> 4> 5> 6> 7> using target database control file instead of recovery catalog allocated channel: t1 channel t1: SID=22 device type=SBT_TAPE channel t1: NMDA Oracle v19.2.1.2 sent command to channel: t1 Starting restore at 2021-12-07 14:02:16 channel t1: looking for AUTOBACKUP on day: 20211207 channel t1: AUTOBACKUP found: c-496022129-20211207-00 channel t1: restoring spfile from AUTOBACKUP c-496022129-20211207-00 channel t1: SPFILE restore from AUTOBACKUP complete Finished restore at 2021-12-07 14:12:21 released channel: t1 RMAN>
利用恢復的引數檔案轉化為引數檔案initprod.ora,並修改相應的引數。
[oracle@oracle204 dbs]$ strings spfileprod.ora > initprod.ora 恢復回來的引數檔案 [oracle@oracle204 dbs]$ cat initprod.ora prod2.__data_transfer_cache_size=0 prod1.__data_transfer_cache_size=0 prod2.__db_cache_size=1476395008 prod1.__db_cache_size=1207959552 prod2.__inmemory_ext_roarea=0 prod1.__inmemory_ext_roarea=0 prod2.__inmemory_ext_rwarea=0 prod1.__inmemory_ext_rwarea=0 prod2.__java_pool_size=0 prod1.__java_pool_size=0 prod2.__large_pool_size=16777216 prod1.__large_pool_size=16777216 prod1.__oracle_base='/u01/app/oracle'#ORACLE_BASE set from environment prod2.__oracle_base='/u01/app/oracle'#ORACLE_ BASE set from environment prod2.__pga_aggregate_target=822083584 prod1.__pga_aggregate_target=822083584 prod2.__sga_target=2466250752 prod1.__sga_target=2466250752 prod2.__shared_io_pool_size=117440512 prod1.__shared_io_pool_size=117440512 prod2.__shared_pool_size=838860800 prod1.__shared_pool_size=1107296256 prod2.__streams_pool_size=0 prod1.__streams_pool_size=0 prod2.__unified_pga_pool_size=0 prod1.__unified_pga_pool_size=0 *.audit_file_dest='/u01/app/oracle/admin/prod/adump' *.au dit_trail='db' *.cluster_database=true *.compatible='19.0.0' *.control_files='+DATADG/PROD/CONTROLFILE/current.261.1084183793' *.db_block_size=8192 *.db_create_file_dest='+DATADG' *.db_file_name_convert='+DATADG/','+DATADG/' *.db_name='prod' *.db_unique_name='prod' *.diagnostic_dest='/u01/app/oracle' *.dispatchers='(PROTOCOL=TCP) (SERVICE=prodXDB)' *.enable_pluggable_database=true *.fal_client='tns_primary' *.fal_server='tns_standby' family:dw_helper.instance_mode='read-only' prod1.i nstance_number=1 prod2.instance_number=2 *.local_listener='-oraagent-dummy-' *.log_archive_config='DG_CONFIG=(prod,prodstd)' *.log_archive_dest_1='LOCATION=+FRADG/ VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=prod' *.log_archive_dest_2='SERVICE=tns_standby LGWR ASYNC VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=prodstd' *.log_archive_format='%t_%s_%r.arc' *.log_archive_max_processes=8 *.log_file_name_convert='+DATADG/','+DATADG/' *.nls_language='AMERICAN' *.nls_territ ory='AMERICA' *.open_cursors=300 *.pga_aggregate_target=782m *.processes=1000 *.remote_login_passwordfile='exclusive' *.sga_target=2346m *.standby_file_management='AUTO' prod2.thread=2 prod1.thread=1 prod1.undo_tablespace='UNDOTBS1' prod2.undo_tablespace='UNDOTBS2' [oracle@oracle204 dbs]$
修改後的參 數檔案,刪掉恢復回來的spfile
[oracle@oracle204 dbs]$ pwd /u01/app/oracle/product/19c/db_1/dbs [oracle@oracle204 dbs]$ cat initprod.ora *.audit_file_dest='/u01/app/oracle/admin/prod/adump' *.audit_trail='db' *.compatible='19.0.0' *.control_files='/u01/app/oracle/oradata/control01.ctl' *.db_block_size=8192 *.db_create_file_dest='/u01/app/oracle/oradata/' *.db_create_online_log_dest_1='/u01/app/oracle/oradata/' *.db_file_name_convert='+DATADG/','/u01/app/oracle/oradata/' *.db_name='prod' *.db_unique_name='prod' *.diagnostic_dest='/u01/app/oracle' *.dispatchers='(PROTOCOL=TCP) (SERVICE=prodXDB)' *.enable_pluggable_database=true *.log_archive_dest_1='LOCATION=/u01/app/oracle/oradata/' *.log_archive_format='%t_%s_%r.arc' *.log_archive_max_processes=8 *.log_file_name_convert='+DATADG/','/u01/app/oracle/oradata/' *.open_cursors=300 *.pga_aggregate_target=782m *.processes=1000 *.remote_login_passwordfile='exclusive' *.sga_target=2346m [oracle@oracle204 dbs]$
透過新的修改的pfile重新啟動資料庫到nomount狀態
SQL> startup nomount; ORACLE instance started. Total System Global Area 2466247664 bytes Fixed Size 9139184 bytes Variable Size 536870912 bytes Database Buffers 1912602624 bytes Redo Buffers 7634944 bytes SQL>
透過修改的pfile建立spfile,並重新透過spfile啟動到nomount狀態。
SQL> create spfile from pfile; File created. SQL> shutdown abort; ORACLE instance shut down. SQL> startup nomount;
恢復控制檔案
RMAN> set dbid=496022129; executing command: SET DBID RMAN> run { allocate channel t1 type 'SBT_TAPE'; send 'NSR_ENV=( NSR_CLIENT=rac1-vip,NSR_SERVER=backserver,NSR_DATA_VOLUME_POOL=bstindex)'; restore controlfile from autobackup; release channel t1; }2> 3> 4> 5> 6> 7> using target database control file instead of recovery catalog allocated channel: t1 channel t1: SID=781 device type=SBT_TAPE channel t1: NMDA Oracle v19.2.1.2 sent command to channel: t1 Starting restore at 2021-12-07 14:32:17 channel t1: looking for AUTOBACKUP on day: 20211207 channel t1: AUTOBACKUP found: c-496022129-20211207-00 channel t1: restoring control file from AUTOBACKUP c-496022129-20211207-00 channel t1: control file restore from AUTOBACKUP complete output file name=/u01/app/oracle/oradata/control01.ctl Finished restore at 2021-12-07 14:42:33 released channel: t1 RMAN>
啟動資料庫到mount狀態,list backup可以檢視記錄在控制檔案中的備份
RMAN> alter database mount; Statement processed RMAN> list backup; List of Backup Sets =================== BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ ------------------- 34 Full 1.47G SBT_TAPE 00:00:46 2021-12-06 16:41:12 BP Key: 34 Status: AVAILABLE Compressed: NO Tag: TAG20211206T164026 Handle: 230g2frq_1_1 Media: bstindex.001 List of Datafiles in backup set 34 File LV Type Ckp SCN Ckp Time Abs Fuz SCN Sparse Name ---- -- ---- ---------- ------------------- ----------- ------ ---- 3 Full 12810654 2021-12-06 16:40:27 NO +DATADG/PROD/DATAFILE/sysaux.258.1084183683 7 Full 12810654 2021-12-06 16:40:27 NO +DATADG/PROD/DATAFILE/users.260.1084183711 BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ ------------------- 35 Full 1.22G SBT_TAPE 00:00:45 2021-12-06 16:41:12 BP Key: 35 Status: AVAILABLE Compressed: NO Tag: TAG20211206T164026 Handle: 240g2frr_1_1 Media: bstindex.001 List of Datafiles in backup set 35 File LV Type Ckp SCN Ckp Time Abs Fuz SCN Sparse Name ---- -- ---- ---------- ------------------- ----------- ------ ---- 1 Full 12810661 2021-12-06 16:40:27 NO +DATADG/PROD/DATAFILE/system.257.1084183629 4 Full 12810661 2021-12-06 16:40:27 NO +DATADG/PROD/DATAFILE/undotbs1.259.1084183709 9 Full 12810661 2021-12-06 16:40:27 NO +DATADG/PROD/DATAFILE/undotbs2.269.1084184569
restore database
因為我spfile裡面已經設定了,如果沒有設定,需要在rman恢復指令碼里自己指定檔案轉換
db_file_name_convert 和 db_file_name_convert引數會自動轉換asm路徑檔案到本地路徑
所以直接restore database
RMAN> run { allocate channel t1 type 'SBT_TAPE'; 2> 3> 4> allocate channel t2 type 'SBT_TAPE'; allocate channel t3 type 'SBT_TAPE'; allocate channel t4 type 'SB5> T_TAPE'; send 'NSR_ENV=( NSR_CLIENT=rac1-vip,NSR_SERVER=backserver,NSR_DATA_VOLUME_POOL=bstindex)'; 6> 7> 8> restore database ; 9> release channel t1; release channel t2; 10> 11> release channel t3; release channel t4; 12> 13> } allocated channel: t1 channel t1: SID=18 device type=SBT_TAPE channel t1: NMDA Oracle v19.2.1.2 allocated channel: t2 channel t2: SID=19 device type=SBT_TAPE channel t2: NMDA Oracle v19.2.1.2 allocated channel: t3 channel t3: SID=786 device type=SBT_TAPE channel t3: NMDA Oracle v19.2.1.2 allocated channel: t4 channel t4: SID=26 device type=SBT_TAPE channel t4: NMDA Oracle v19.2.1.2 sent command to channel: t1 sent command to channel: t2 sent command to channel: t3 sent command to channel: t4 Starting restore at 2021-12-07 14:47:17 channel t1: starting datafile backup set restore channel t1: specifying datafile(s) to restore from backup set channel t1: restoring datafile 00001 to +DATADG/PROD/DATAFILE/system.257.1084183629 channel t1: restoring datafile 00004 to +DATADG/PROD/DATAFILE/undotbs1.259.1084183709 channel t1: restoring datafile 00009 to +DATADG/PROD/DATAFILE/undotbs2.269.1084184569 channel t1: reading from backup piece 300g4cqf_1_1 channel t2: starting datafile backup set restore channel t2: specifying datafile(s) to restore from backup set channel t2: restoring datafile 00003 to +DATADG/PROD/DATAFILE/sysaux.258.1084183683 channel t2: restoring datafile 00007 to +DATADG/PROD/DATAFILE/users.260.1084183711 channel t2: reading from backup piece 2v0g4cqf_1_1 channel t3: starting datafile backup set restore channel t3: specifying datafile(s) to restore from backup set channel t3: restoring datafile 00011 to +DATADG/PROD/CCC9B4B0A1183CDAE0536862080A56C6/DATAFILE/sysaux.275.1084185285 channel t3: restoring datafile 00013 to +DATADG/PROD/CCC9B4B0A1183CDAE0536862080A56C6/DATAFILE/undo_2.277.1084185339 channel t3: restoring datafile 00014 to +DATADG/PROD/CCC9B4B0A1183CDAE0536862080A56C6/DATAFILE/users.278.1084185359 channel t3: restoring datafile 00016 to +DATADG/PROD/CCC9B4B0A1183CDAE0536862080A56C6/DATAFILE/haifeng.284.1088964183 channel t3: reading from backup piece 310g4crl_1_1 channel t4: starting datafile backup set restore channel t4: specifying datafile(s) to restore from backup set channel t4: restoring datafile 00005 to +DATADG/PROD/86B637B62FE07A65E053F706E80A27CA/DATAFILE/system.265.1084184215 channel t4: restoring datafile 00008 to +DATADG/PROD/86B637B62FE07A65E053F706E80A27CA/DATAFILE/undotbs1.267.1084184215 channel t4: reading from backup piece 330g4cs6_1_1 channel t3: piece handle=310g4crl_1_1 tag=TAG20211207T100046 channel t3: restored backup piece 1 channel t3: restore complete, elapsed time: 00:10:15 channel t3: starting datafile backup set restore channel t3: specifying datafile(s) to restore from backup set channel t3: restoring datafile 00010 to +DATADG/PROD/CCC9B4B0A1183CDAE0536862080A56C6/DATAFILE/system.274.1084185285 channel t3: restoring datafile 00012 to +DATADG/PROD/CCC9B4B0A1183CDAE0536862080A56C6/DATAFILE/undotbs1.273.1084185285 channel t3: restoring datafile 00015 to +DATADG/PROD/CCC9B4B0A1183CDAE0536862080A56C6/DATAFILE/gdd.283.1088962699 channel t3: reading from backup piece 320g4cs6_1_1 channel t4: piece handle=330g4cs6_1_1 tag=TAG20211207T100046 channel t4: restored backup piece 1 channel t4: restore complete, elapsed time: 00:10:15 channel t4: starting datafile backup set restore channel t4: specifying datafile(s) to restore from backup set channel t4: restoring datafile 00006 to +DATADG/PROD/86B637B62FE07A65E053F706E80A27CA/DATAFILE/sysaux.266.1084184215 channel t4: reading from backup piece 340g4csm_1_1 channel t1: piece handle=300g4cqf_1_1 tag=TAG20211207T100046 channel t1: restored backup piece 1 channel t1: restore complete, elapsed time: 00:10:22 channel t2: piece handle=2v0g4cqf_1_1 tag=TAG20211207T100046 channel t2: restored backup piece 1 channel t2: restore complete, elapsed time: 00:10:22 channel t3: piece handle=320g4cs6_1_1 tag=TAG20211207T100046 channel t3: restored backup piece 1 channel t3: restore complete, elapsed time: 00:10:15 channel t4: piece handle=340g4csm_1_1 tag=TAG20211207T100046 channel t4: restored backup piece 1 channel t4: restore complete, elapsed time: 00:10:15 Finished restore at 2021-12-07 15:07:48 released channel: t1 released channel: t2 released channel: t3 released channel: t4 RMAN>
recover database
RMAN> run { allocate channel t1 type 'SBT_TAPE'; send 'NSR_ENV=( NSR_CLIENT=rac1-vip,NSR_SERVER=backserver,NSR_DATA_VOLUME_POOL=bstindex)'; recover database ; release channel t1; }2> 3> 4> 5> 6> 7> allocated channel: t1 channel t1: SID=18 device type=SBT_TAPE channel t1: NMDA Oracle v19.2.1.2 sent command to channel: t1 Starting recover at 2021-12-07 15:10:37 starting media recovery channel t1: starting archived log restore to default destination channel t1: restoring archived log archived log thread=2 sequence=82 channel t1: reading from backup piece 350g4ct1_1_1 channel t1: piece handle=350g4ct1_1_1 tag=TAG20211207T100209 channel t1: restored backup piece 1 channel t1: restore complete, elapsed time: 00:10:15 channel t1: starting archived log restore to default destination channel t1: restoring archived log archived log thread=1 sequence=104 channel t1: reading from backup piece 360g4ct1_1_1 channel t1: piece handle=360g4ct1_1_1 tag=TAG20211207T100209 channel t1: restored backup piece 1 channel t1: restore complete, elapsed time: 00:10:05 archived log file name=/u01/app/oracle/oradata/1_104_1084183797.arc thread=1 sequence=104 archived log file name=/u01/app/oracle/oradata/2_82_1084183797.arc thread=2 sequence=82 unable to find archived log archived log thread=2 sequence=83 released channel: t1 RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03002: failure of recover command at 12/07/2021 15:30:58 RMAN-06054: media recovery requesting unknown archived log for thread 2 with sequence 83 and starting SCN of 13050409 RMAN>
根據最後一句報錯,調整恢復rman語句
RMAN> run { allocate channel t1 type 'SBT_TAPE'; send 'NSR_ENV=( NSR_CLIENT=rac1-vip,NSR_SERVER=backserver,NSR_DATA_VOLUME_POOL=bstindex)'; recover database until scn 13050409 ; release channel t1; }2> 3> 4> 5> 6> 7> allocated channel: t1 channel t1: SID=18 device type=SBT_TAPE channel t1: NMDA Oracle v19.2.1.2 sent command to channel: t1 Starting recover at 2021-12-07 15:33:13 starting media recovery media recovery complete, elapsed time: 00:00:01 Finished recover at 2021-12-07 15:33:14 released channel: t1 RMAN>
resetlogs 模式開啟資料庫
RMAN> alter database open resetlogs; Statement processed RMAN>
查詢rac備份恢復到單機的資料庫檔案。
SQL> select name from v$datafile; NAME ------------------------------------------------------------------------------------------------------------------------------------------------------ /u01/app/oracle/oradata/PROD/datafile/o1_mf_system_jty1gp48_.dbf /u01/app/oracle/oradata/PROD/datafile/o1_mf_sysaux_jty1gowk_.dbf /u01/app/oracle/oradata/PROD/datafile/o1_mf_undotbs1_jty1gpb9_.dbf /u01/app/oracle/oradata/PROD/CCC9746D268F19F9E0536762080AE444/datafile/o1_mf_system_jty1gpbs_.dbf /u01/app/oracle/oradata/PROD/CCC9746D268F19F9E0536762080AE444/datafile/o1_mf_sysaux_jty21r2j_.dbf /u01/app/oracle/oradata/PROD/datafile/o1_mf_users_jty1gp4t_.dbf /u01/app/oracle/oradata/PROD/CCC9746D268F19F9E0536762080AE444/datafile/o1_mf_undotbs1_jty1gpfz_.dbf /u01/app/oracle/oradata/PROD/datafile/o1_mf_undotbs2_jty1gpg0_.dbf /u01/app/oracle/oradata/PROD/CCC9B4B0A1183CDAE0536862080A56C6/datafile/o1_mf_system_jty21qtc_.dbf /u01/app/oracle/oradata/PROD/CCC9B4B0A1183CDAE0536862080A56C6/datafile/o1_mf_sysaux_jty1goor_.dbf /u01/app/oracle/oradata/PROD/CCC9B4B0A1183CDAE0536862080A56C6/datafile/o1_mf_undotbs1_jty21r5r_.dbf /u01/app/oracle/oradata/PROD/CCC9B4B0A1183CDAE0536862080A56C6/datafile/o1_mf_undo_2_jty1gowg_.dbf /u01/app/oracle/oradata/PROD/CCC9B4B0A1183CDAE0536862080A56C6/datafile/o1_mf_users_jty1gp08_.dbf /u01/app/oracle/oradata/PROD/CCC9B4B0A1183CDAE0536862080A56C6/datafile/o1_mf_gdd_jty21r95_.dbf /u01/app/oracle/oradata/PROD/CCC9B4B0A1183CDAE0536862080A56C6/datafile/o1_mf_haifeng_jty1gowx_.dbf 15 rows selected. SQL>
來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/70004783/viewspace-2846190/,如需轉載,請註明出處,否則將追究法律責任。
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