database add

log file classification: redo log filesArchive log filesWarning log fileTrace log filesRedo_log_file file function:1) Maintain data consistency2) record the change operation in the databaseRedo_log_friles in groups, a group can have more than one

2012-01-12 phenomena Archive log switching is too frequent. To view alert logs: Thread 1 advanced to log sequence 12391 Current log# 3 seq# 12391 mem# 0:/usr/app/ora_files/redo03a.log currentlog# 3 seq# 12391 mem#

DataGuard environment: Operating System: RedHat5.6Primary Database: IP Address: 192.168.48.131 database SID: orclDB_UNIQUE_NAME: orcl_pdStandb Data Guard environment: Operating System: RedHat 5.6 Primary database: IP Address: 192.168.48.131 database

Recently, ORACLE databases in oracle are unstable. by querying the ORACLE alert Log, the following error message is displayed: Thread1cannotallocatenewlog, sequence%922checkpointnotcompletecurrentl Recently, ORACLE databases in oracle are unstable.

Migrate uard to a single machine in RAC Environment Environment Description: Oracle Version: 11.2.0.3.0Primary end:For dual-node RAC, scan uses DNS resolution to run two instances (JSTDB & PAYDB)Standby end:Standalone Federation uard 1. Set the

Database version: Oracle database 11g Enterprise Edition Release 11.2.0.1.0 Main Library ip:192.168.133.133 INSTANCE_NAME:ORCL service_name:p DB hostname: DG1 ip:192.168.133.134 INSTANCE_NAME:ORCL service_name:sdb hostname: DG2 (note that the

Oracle 11.2.4.0 ADG Single Instance installation (copy creation repository)Planning:Main:Os:linux Centos 6.5 X64Hostname:ora11g-dg1ipaddress:192.168.213.199Db_unique_name=netdata_pdDb_name=netdataPreparation:Os:linux Centos 6.5 X64Hostname:ora11g-dg2

Oracle 11gR2 Database and Active Data Guard migration case, 11gr2guard The customer's core system is composed of an Oracle Database 11.2.0.3.4 single machine and an Active Data Guard, which run on two PC servers respectively. The Oracle Linux 5.8 x86

Requirement: increased from 50 M in each group to 100 M 1. Check the script with log group information:SELECT v $ logfile. member, v $ logfile. group #, v $ log. status, v $ log. ARCHIVED, v $ log. bytes/1024/1024, v $ log. thread #FROM v $ log, v $

How to build an Oracle 11g license uard   I. PreparationsI have read many tutorials when preparing to build a tracing uard. I followed the tutorials and encountered problems. Then I don't know how to proceed to the next step.Later, I went to the

SQLalterdatabaseaddlogfilethread1group5 (+ datamyraconlinelogmyrac1_redolog_group5_01) size100m; SQLalterdatabaseaddlogfilemember + timeout; SQLalterdatabaseaddlogfileth SQL alter database add logfile thread 1 group5 ('+

Environment: Simulating the creation of the main library use the Install option in the DBCA Start graphical interface option---> select Create and configure a databaseCreate a mock-up library using the Install option in the DBCA Startup graphical

Data Guard in maximum protection and maximum availability mode, the standby database must be configured with standby redo log, and the following experiments demonstrate the principles and procedures created.1. Principles1). Standby redo log has the

First, the preparation of the main library side1. View the database directory structure in the main libraryTo view the database file pathSelect T1.name,t2.name from V$tablespace t1,v$datafile T2 where t1.ts#=t2.ts#;View Log file pathSELECT * from

Date: 2013060510: 00 environment: Oracle11.2.0.3RAC, dual-node, RedHat5.8 + DS: DELL3600I query the average number of log switches in the past 24 hours, Date: 20130605 environment: Oracle 11.2.0.3 RAC, dual-node, RedHat 5.8 + DS: DELL 3600I query

A redo log group can contain one or more log members, which should be stored on different disks as disk log images. The same group of Members has the same content, A redo log group can contain one or more log members, which should be stored on

A redo log group can contain one or more log members, which should be stored on different disks as disk log images. The same group of Members has the same content, the purpose is to prevent all online logs from being lost due to a disk failure. If

--============oracle ADG Building ==============--========== Preparation Stage =========1. Check primary for Archivelog mode.Select Log_mode from V$database;If it is Noarchivelog mode, switch to Archivelog mode.Shutdown immediate;startup Mount;ALTER

Build the Environment: OS:SOLARIS10 x86-64 Db:oracle 11.2.0 Main Library Host: Sol01 Repository Host: Sol02 2 Master Library Deployment steps 2.1 Master Library Operations Create an archive directory and open archive

[email protected]>select group#, bytes/1024/1024 size_m,status,archived from V$log;group# size_m STATUS ARC---------- ---------- ---------------- ---1 INACTIVE YES2 INACTIVE YES3 Current NO2. Delete the original log group; (only log groups with