oracle rac course

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Full set of Oracle database installation implementation video course packages [involving RAC,LINUX,WIN,ASM,UDEV,FS]

Tags: Oracle training Oracle Tutorial Oracle Database Tutorial Oracle Certified Oracle Video TutorialFull set of Oracle database installation implementation video course packages [invol

Oracle RAC 11gr2+weblogic cluster 6 node Project installation Implementation Maintenance Video Course Package

Oracle RAC 11gr2+weblogic cluster 6 node Project installation Implementation Maintenance Video Course PackagePackage Introduction: High salary must learn enterprise-class core application Oracle+weblogic cluster tutorial. Fundamentals: Introduction to Oracle

"Oracle Cluster" Oracle DATABASE 11G RAC detailed tutorial how RAC works and related components (iii)

node.Transparent application Switching (TAF)Transparent application failover (Transport application FAILOVER,TAF) is an Oracle data provider that is commonly used in RAC environments and, of course, in the master-slave hot-standby environment of data Guard and traditional HA implementations. The Transparent and Failover in TAF point out two major features of thi

"Oracle cluster" 11G RAC detailed tutorial on RAC on Linux using NFS pre-installation Preparation (vi)

,timeo=600,rsize=32768,wsize=32768,actimeo =0 0 0 Nas1:/shared_home/u01/app/oracle/product/11.2.0/db_1 NFS rw,bg,hard,nointr,tcp,vers=3,timeo=600,rsize=32768, Wsize=32768,actimeo=0 0 0 Nas1:/shared_data/u01/oradata NFS rw,bg,hard,nointr,tcp,vers=3,timeo=600,rsize=32768,wsize=32768,actimeo=0 0 0 Mount NFS on two nodes Mount/u01/shared_config Mount/u01/app/11.2.0/grid Mount/u01/app/oracle/product/11.2.0/db_1

Oracle Cluster "Oracle DATABASE 11G RAC Knowledge graphic Detailed tutorial" Oracle Cluster Concepts and principles (ii)

data files are stored in this shared store. There are some storage methods such as OCFS, OCFS2, RAW, NFS, ASM, and so on. The OCFS (Oracle Cluster file system) and OCFS2 are just a filesystem, and, like NFS, they provide a shared storage file system in a clustered environment. Raw bare devices are also a way of storage that is supported by RAC in previous versions of oracle11g, and before oralce9i, Ops/

"Oracle Cluster" Oracle DATABASE 11G RAC Knowledge and graphics detailed tutorial cache fusion technology and main background process (iv)

documents Oracle's three highly available cluster scenarios Introduction to cluster Concept: The Oracle Advanced Course--theoretical textbook Oracle one-off RAC Survival Guide Oracle 11gR2 RAC Manageme

"Oracle Cluster" Oracle DATABASE 11G RAC detailed tutorial on RAC special issues and practical experience (V)

"Udp_|tcp_|sb_max"Modify No-p-O udp_sendspace=262144No-p-O udp_recvspace=1310720No-p-O tcp_sendspace=262144No-p-O tcp_recvspace=262144No-p-O sb_max=2621440Linux Viewing Files/etc/sysctl.confModify Sysctl-w net.core.rmem_max=2621440Sysctl-w net.core.wmem_max=2621440Sysctl-w net.core.rmem_default=262144Sysctl-w net.core.wmem_default=262144HP-UX does not requireHP TRU64 View/sbin/sysconfig-q UDPModify: Edit File/etc/sysconfigtabInet:udp_recvspace = 65536Udp_sendspace = 65536Windows does not requir

Oracle Dual-Machine hot standby, Oracle Dataguard and Oracle RAC Differences and linkages

. According to this, RAC is only a specific product under the HA concept! So far, only the RAC and partition is Oracle to charge licence, the other, as long as the experienced third-party implementers to pay a certain amount of planning/design and deployment costs can be, of course, you can follow the document accordin

Why didn't Oracle RAC Opatch go to Rac database home during auto?

Why didn't Oracle RAC Opatch go to Rac database home during auto? First explain the environment:Operating System: AIX 7.1Oracle version: Oracle Rac 11.2.0.3I used the 11.2.0.3.9 patch set before and it was not officially used for Rac

Why not hit the RAC database home when Oracle RAC Opatch Auto

Explain the environment: operating system: AIX 7.1Oracle version: Oracle RAC 11.2.0.3 before the 11.2.0.3.9 patch set, the RAC is not formally used, so you can simply hit the latest 11.2.0.3.11 patch set.The two sets of RAC that were newly installed today in the new PSU, also use Opatch Auto to hit the PSU, but one set

Oracle Dual-Machine hot standby, Oracle Dataguard and Oracle RAC differences and Connections __oracle

are Oracle to charge licence, others, as long as the experienced Third-party implementation to pay a certain planning/design and deployment costs can be, of course, you can follow the document according to the gourd, but the environment can be achieved high availability is hard to say. In fact, most people say that ha, or the narrow sense of ha, that is, OS-level dual-machine hot standby.RAC:is the short n

Oracle RAC installation records on the AIX platform (AIX6.1TL7 + Oracle RAC 11.2.0.3)

Installing Oracle RAC on the AIX platform is a pitfall. I verified this again today because there are too many bugs! Record the problem because there are too many bugs! We strongly recommend and look forward to the development of Oracle RAC on the Linux platform. The following is a record of the problem: > Server: IBM

Oracle RAC Series: Redhat 5.4 RAC No listener at (address= (PROTOCOL=IPC) (Key=system.evm.acceptor.auth)) __oracle

if the related files are not deleted in the second part. 4. Delete the/etc/oracle/scls_scr/rac1/oracle/cssfatal files on each machine If you do not delete this file, you will get an error when running the root.sh script. Reference: RAC root.sh Oracle CRS solution already configured and'll be running under init (1M) Ht

"Oracle Cluster" Oracle DATABASE 11G RAC Knowledge and graphics detailed tutorial cache fusion technology and main background process (RPM)

Tags: NFS Install listen recommended move configuration between trading Geo Mic Directory Cache Fusion principle What is Cache Fusion? What is high availability The difference between FAILSAFE and RAC RAC and OPS differences Differences between hot standby, RAC, and Data guard for dual machines Communication between nodes (int

[RAC] Oracle RAC background process

Sync Service (Cluster Synchronization Service)managing membership of a cluster node controls which node is the member of the cluster, the node notifies the cluster member when joining or leaving the cluster to control the cluster configuration information, which causes the cluster to restart, provides a heartbeat mechanism to monitor the cluster status (DISK HEARTBEAT and NETWORK Hearbeat), the process is run by Oracle User management EVMD Incident M

Build oracle11g RAC 64 cluster environment based on CentOS and VMWARESTATION10:3. Installing Oracle RAC-3.6. Cluster Management commands

3.6. Cluster Management Command 3.6.1. Startup and shutdown of RAC Oracle RAC is powered on by default and can be used with the following commands if maintenance is required: Shut down:crsctl Stop cluster Stopping this node Cluster servicecrsctl Stop Cluster–all all node servicesOpen:crsctl start cluster turn on this node Cluster servi

Oracle RAC restores ocr and olr without backup

message will be prompted. [Grid @ rac-one install] $./rootcrs. plYou must be logged in as root to run this script.Log in as root and rerun this script.2014-04-01 17: 08: 12: Not running as authorized userInsufficient privileges to execute this script.Root or administrative privileges needed to run the script. For more information about the script function, see-help. Such as upgrade, rollback, and reconfiguration wait [Root @

Some basic concepts of Oracle 11g RAC (iv)

block read, and vice versa. Of course, multiple versions of Read consistency are as effective as RAC, but involve a bit of other work. System change Number (SCN) is an internal timestamp of Oracle and is important for read consistency. If the local instance requests a read-consistent version of a block, it needs to contact the block's resource master to determin

Some basic concepts of Oracle 11g RAC (iv)

block read, and vice versa. Of course, multiple versions of Read consistency are as effective as RAC, but involve a bit of other work. System change Number (SCN) is an internal timestamp of Oracle and is important for read consistency. If the local instance requests a read-consistent version of a block, it needs to contact the block's resource master to determin

Some basic concepts of Oracle 11g RAC (IV)

forward this request, triggering a new jump. From the discussion just now, you can know that coordination between blocks and their images in the global buffer cache cannot be underestimated. In RAC databases, cache convergence often represents the greatest benefit and the highest cost. The advantage is that cache fusion theoretically increases proportionally and may achieve almost linear scalability. However, the additional workload imposed by cache

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