By storing multiple control files for a single database on different disks, you can safeguard against a single point of failure with respect to control files. If a single disk that contained a control file crashes, then the current instance fails when oracle attempts to access the damaged contr...
E Managing Oracle Database Port Numbers Index6.7.2 About Control Files The database is configured with two control files that must be stored on shared storage. Every database must have one unique control file; any additional control files configured for the database are identical copies of the...
SHOW PARAMETER CONTROL_FILES--列出控制文件的名字、状态、位置等 SQL>select*fromv$controlfile; STATUSNAMEIS_ BLOCK_SIZE FILE_SIZE_BLKS --- --- --- --- --- /u01/app/oracle/oradata/orcl/control01.ctlNO16384430 /u01/app/oracle/oradata/orcl/control02.ctlNO16384430 /u01/app/oracle/oradata/...
MAXDATAFILES 200 MAXINSTANCES 6 ARCHIVELOG; 备份控制文件: ALTER DATABASE BACKUP CONTROLFILE TO '/oracle/backup/control.bkp'; 控制文件数据字典相关视图
control_files 2 /u01/app/oracle/oradata/orcl/control01.ctl, /u01/app/oracle/ oradata/orcl/control02.ctl, /u01/app/oracle/oradata/orcl/con trol03.ctl control_file_record_keep_time 3 7 SQL> select * from v$controlfile_record_section; ...
对oracle controlfile进行转储 环境: rhel5.5,x64,oracle 10.2.0.5.12 转储命令: alter session set events 'immediate trace name controlf level 9'; 1. 该命令摘自: How to find the name of an old Restore Point when the database will not open: ORA-38760 (Doc ID 1288189.1) ...
Databases, tablespaces, and datafiles are closely related, but they have important differences:An Oracle database consists of one or more logical storage units called tablespaces, which collectively store all of the database's data. Each tablespace in an Oracle database consists of one or more ...
1.镜像备份:多数系统通过control_files参数(*.control_files在PFILE或者SPFILE中)指定多路控制文件,在某种意义上也是起到了备份的效果 2.RMAN自动备份: 可以设置configure controlfile autobackup on来开启自动备份的功能,另外,即使不开启此功能,oracle每当备份数据文件(system表空间)的时候也会把控制文件备份(这个和备份...
有关控制文件的介绍请参考:Oracle 控制文件(CONTROLFILE) using backup controlfile 请参考:理解 using backup controlfile 一、基于备份控制文件的恢复注意事项(无论是否使用恢复目录catalog) 1、即使没有数据文件需要还原,当使用unsing backup controlfile 方式时必须结合 recover 命令 2、不论使用备份的控制文件进行时...
ORA-00245: control file backup failed; in Oracle RAC, target might not be on shared storage node 1 and node 2 rman configurations of controlfile same CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/fast_recovery_area/datastore/matrix/snapcf_matrix.f'; ...