oracle rac architecture

In some cases, because it is the C/s architecture, from the previous stand-alone system to the current 11.2 of the RAC, if the client IP address to modify the workload is too large, but also unrealistic, generally recommended directly modify the scan IP address and before, so as to achieve direct business access scan IP implementation applications do not need to be individually configured. Here through a si

Tags: Zha workspace deploy ble app htm ack sysdba sizeLinux platform Oracle 10GR2 (10.2.0.5) RAC installation PART3:DB installation and upgradeEnvironment: OEL 5.7 + Oracle 10.2.0.5 RAC 5. Installing database Software 5.1 Unpacking the installation media 5.2 Start installing the DB software 5.3 Root U

################################### DG ################################### # here after the test can be a one-time brush script, but do not recommend that the operation of the production library there is a certain risk, it is recommended to fully understand the paragraph after the brush # Case One: RAC + DUPLICATE + single node DG (complex, need to convert path) # Master node RAC Main Library configuratio

In general, Oracle 11g R2 RAC provides the following features: High Availability: shared-everything mode ensures that services are not stopped when a single node fails, and other nodes in the cluster will take over quickly Scalability: multiple nodes share the load and can provide processing capabilities far beyond that of a single database. Addition and deletion of nodes can be completed online without

[Oracle] deletes a node from RAC, which is a oraclerac node. Environment: OS: OEL5.6 RAC: 10.2.0.1.0 There are currently three rac1, rac2, and rac3 nodes. The following describes how to delete a rac3 node. 1. Delete the database instance on the rac3 Node [Oracle @ rac1 ~] $ Dbca-silent-deleteInstance-gdbName RACDB-inst

For RAC, the most important thing is to understand the internal principles and architecture. Installation is not very difficult. Both troubleshooting and maintenance are inseparable from the architecture and Internal principles. Cluster category 1. High-performance computing Computing tasks are assigned to different computer nodes to improve the overall computing

Operating Environment: Server:oracle 10g RAC Client:toad for Oracle 8.6 Description of the problem phenomenon: Set a breakpoint on stored procedure load in editor, followed by the following error prompts: Ora-12560:tns:protocol Adapter Error Cannot connect debug session. In, to debug, connected to a RAC instance you must have entries for the individual

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: thin :@(Description =(Load_balance = yes)(Failover = on)(Add

Before learning a new thing, you need to understand its purpose. Article This section describes the advantages and disadvantages of Oracle RAC and other four components for future reference. The full text is as follows: To improve performance, we have made a lot of trials on the methods or solutions provided by the Oracle database itself.It mainly includes:S

Oracle 11g Audit The Oracle audit (Audit) function is used to monitor database operations performed by users. audit records can be stored in data dictionary tables (called audit records: SYS. in the AUD $ table, view dba_audit_trail) Or operating system audit records (default location: $ oracle_base/admin/$ oracle_sid/adump. Regardless of whether or not the database audit function is enabled, the following

: done [[Emailprotected]~]#/usr/sbin/oracleasmscandisks Reloadingdisk partitions:Done Cleaninganystaleasmdisks ... Scanningsystemforasmdisks ... [[Emailprotected]~]#/usr/sbin/oracleasmlistdisks DISK1 DISK2 DISK3 DISK4 DISK5 [[emailprotected]~]#yuminstall-ykmod-oracleasm* [[emailprotected] ~]#rpm-ivhoracleasmlib-2.0.4-1.el6.x86_64.rpm [[emailprotected]~]#rpm -ivhoracleasm-support-2.1.8-1.el6.x86_64.rpm [[emailprotected]~]#/usr/sbin/ Oracleasmconfigure-i Configuringtheoracleasmlibrarydriver. Th

10G RAC installation encountered the failed to upgrade Oracle Cluster Registry configuration, caused by the use of the DMM multipath software Device-mapper-multipath to trigger this bug.About the DMM multi-path software Device-mapper-multipath installation RAC, reference document Configuring RAW Devices (Multipath) for Oracle