how to start cluster service oracle rac

A customer's 11.2 RAC for Linux x86-64 environment fails after a power outage and the RAC environment does not start automatically. After you log on to the database server, you discover that the cluster process exists and then try to start the database manually: $ sqlplus/

Tags: Oracle CRSFor unknown processes to crs_stop-f the process nameStart againCRS failed to start Crs_start-all Crs-0184:cannot communicate with the CRS daemon.Because Crs_start is an application-level directive, it fails when it starts CRS[Email protected] ~]$ Crs_start-allCrs-0184:cannot communicate with the CRS daemon.[Email protected] ~]$ crs_stat-tCrs-0184:cannot communicate with the CRS daemon.Ps-ef

The two machines use disk arrays to store ORACLE data files for RAC. Configure an Oracle service. In this way, the client can configure the Oracle address and service description on the two machines. JDBC:

Oracle rac service addition Process (11gr2) 1. manually add servicesu-oracle [oracle @ dtydb3 ~] $ Srvctl add service-d epmdb-s srv_epm1-r epmdb1-a epmdb2-P basic-e select-m basic-z 180-w 5 2, view

Linux NTP service configuration for Oracle RAC tutorial, ntprac When installing Oracle 11g RAC, We need to configure the ntp service. There are many ways to configure the clock synchronization mode when using virtual machines. Yo

 Oracle 10g RAC Start-Stop archive modeIf the Oracle database is running in archive mode, you may need to pause the archive of the database when you perform database maintenance, and then restart the archive mode after maintenance is complete.You can convert from archive mode to non-archive mode by using the followin

Label:before closing the backup control file/parameter file:Sqlplus/as Sysdbaalter Database backup controlfile to '/home/oracle/control.ctl.bak '; Create pfile= '/home/oracle/init lt; instance name >.ora ' from SPFile;One, Oracle 11g RAC shutdown sequence1. Stop the EM ServiceSu-oracleExport ORACLE_UNQNAME=DB11Emctl St

Environment Introduction:Vmware12+redhat linux7.5 x86_64+oracle 18CSystem InstallationCreate a virtual hostSystem partitionSelect a desktop environmentPerform the installation processDescription1, the system installation, grid installation directory space requirements greater than 100G (before the installation of 12c requirements)2, after the installation of a database server, directly with the full cloning of the way to replicate to another database

ArticleDirectory Step 1: Step 2: Step 3: Step 4: Step 1: Step 2: Step 3: In ideal cases, all are OK. If any problem occurs, handle the problem one by one. Close sequence: [other nodes]-> [first node] Operation: Step 1: { Use a grid user or close the listener: {crs_stop listener Resource Name | srvctl stop listener}-- Global | Oracle user disable listener: {LSNRCTL stop}-- Single Node } Step 2: Shut down the d

Crs-4124:oracle High Availability Services startup failed. Crs-4000:command Start failed, or completed with errors. OHASD failed to start:inappropriate IOCTL for device OHASD failed to start at/u01/app/11.2.0/grid/crs/install/rootcrs.pl line 443. The first time you install 11GR2 RAC encountered this 11.0.2.1 classic

One instance of RAC is found to be abnormal. view the spfile SQL> show parameter spfile NAME TYPE VALUE ----------------------------------------------------------------------------- Spfile string The result value does not contain spfile and is not started from spfile. view the pfile file under dbs and find that the Pfile content of the instance has been changed. Instance 2 SQL> show parameter spfile NAME TYPE VALUE ------------------------------------

of two attempts to connect before failoverQuerying Service resource Properties[Email protected] ~]$ srvctl config service-d king-s saleService Name:saleService is enabledServer Pool:king_saleCardinality:1Disconnect:falseService role:primaryManagement policy:automaticDTP Transaction:falseAQ HA Notifications:falseFailover type:sessionFailover Method:basicTAF Failover Retries:3TAF Failover Delay:5Connection L

For more information, see the following blog: Oracle racfailover details Http://blog.csdn.net/tianlesoftware/article/details/5340788 How to configure Server Side transparentapplication failover [ID 460982.1] 1. Create tafservice [Oracle @ db1 bin] $./srvctl add service-D orcl-s server_taf-R "orcl1, orcl2"-P basic -- Here, orcl is the database name, And orcl1