ocr sdk

OCR is like a Windows registry that stores all configuration information related to the cluster and Rac database. It is also a public configuration, that is, multiple nodes share the same configuration information. Therefore, this configuration should be stored on the shared disk. This article mainly describes the OCR of the cluster and the amnesia caused by OCR

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first, the development process of OCR technologySince the advent of the first generation of OCR products in the early 1960s, after more than 30 years of continuous development and improvement, including the handwriting of various OCR technology has achieved remarkable results, the functional requirements of OCR product

OCR and voting Disk backups in Oracle RAC are described in my blog: oracle RAC Common maintenance tools and commands , and now take it separately to make a note, because OCR and voting disk Is too important for a RAC system.Oracle RAC Common maintenance tools and commandsHttp://blog.csdn.net/tianlesoftware/archive/2010/03/09/5358573.aspxa. Voting DiskVoting Disk This file is mainly used to record node membe

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OCR is like a Windows registry that stores all configuration information related to the cluster and RAC database. It is also a public configuration, that is, multiple nodes share the same configuration information. Therefore, this configuration should be stored on the shared disk. This article mainly describes the OCR of the cluster and the amnesia caused by OCR

As a cluster, oraclecluster needs shared storage to store the configuration information of the entire cluster. ocr is the place where the configuration information is stored in use cases. The storage capacity of ocr is generally not too large. As a cluster, oracle cluster needs shared storage to store the configuration information of the entire cluster. ocr is th

Managing Oracle clusterware (OCR)Oracle Clusterware places the configuration information of the entire cluster on shared storage. The information includes the list of cluster nodes, the ing between cluster database instances and nodes, and the CRS Application resource information. The storage location is on the OCR Disk. in the entire cluster, only one Node can perform read and write operations on the

11gR2 RAC exclusive mode replace votedisk encounters PROC-26, restore ocr encounters CRS-4000, PROT-35, proc-26crs-4000 Link: http://blog.itpub.net/23135684/viewspace-748816/ The storage data of the 11gR2 RAC system is completely lost. The software of all nodes is installed on the local disk, and the local disk retains the OCR backup, the following describes how to restore the normal operation of Clusterwar

1. Oracle Cluster Registry (OCR) OCR is used to solve the amnesia problem in the cluster, The Cluster Environment configuration file is not stored in a centralized manner, but each node has a local copy. When the cluster runs normally, you can change the cluster configuration on any node, in addition, this change will be automatically synchronized to other nodes. There is A special situation: node A is

View the OCR storage location [[emailprotected] ~]$ ocrcheckStatus of Oracle Cluster Registry is as follows : Version : 2 Total space (kbytes) : 262120 Used space (kbytes) : 5432 Available space (kbytes) : 256688 ID : 982267297 Device/File Name : /oradata/crs_data/ocr.dat Device/File integrity check succeeded

Oracle Clusterware puts the entire cluster's configuration information on shared storage, which includes a list of cluster nodes, a cluster database instance to a node map, and CRS application resource information. It is also stored on an OCR disk (or OCFS file). Therefore, the importance of this configuration file is self-evident. Any action that makes an OCR configuration change is recommended to back up

Oracle Clusterware places the configuration information of the entire cluster on shared storage. The information includes the list of cluster nodes, the ing between cluster database instances and nodes, and the CRS Application resource information. That is, it is stored on the ocr disk (or ocfs file. Therefore, the importance of this configuration file is self-evident. We recommend that you back up ocr imme

P509 WenpingIf you use dbca to create databases, cluster services, or use netca to configure cluster listeners,The corresponding configuration results are automatically written into the OCR registration records. However, if you have manually created a database (create database) and manually editedThe listener file is not recorded in OCR. This requires the Administrator to use the srvctl add command to manua

OCR is equivalent to the Windows registry. For Windows, all software information, users, configurations, and security are stored in the registry. In the same way, all cluster-related resources, configurations, nodes, and RAC databases are stored in this warehouse. If OCR is damaged, the cluster Service Startup exception occurs. You need to fix OCR. Therefore,

[Oracle @ node1 crsd] $ crs_stat-t CRS-0184: Cannot communicate with the CRS daemon. [Oracle @ node1 crsd] $ crsctl check crs Failure 1 contacting CSS daemon Cannot communicate with CRS Cannot communicate with EVM [Root @ node1 crs] # ps-ef | grep crs Root 3926 1 0 :46? 00:00:00/bin/sh/etc/init. d/init. crsd run Root 29408 25855 0 00:00:00 pts/1 grep crs [Root @ node1 bin] #./racgvip There is no VIP name [Root @ node1 crsd] #/etc/init. d/init. crs stop Shutting down Oracle Cluster Ready Ser

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input is very slow, and very prone to error.In order to solve the pain point that the user entered on the mobile phone, the VIN code automatic recognition software was developed, and the VIN information was collected by OCR intelligent recognition technology. The actual application proves that the automatic recognition software using VIN code greatly improves the efficiency of VIN code entry, and can collect the information of VIN code in an instant.

[Oracle] export and import of OCR backup and recovery Back up and restore OCR using exported import: Before adjusting the cluster, for example, adding or deleting nodes, you should back up OCR once. You can use export to back up to the specified file. Lab environment: OS: OEL5.6 RAC: 10.2.0.1.0 (1) Disable CRS for all nodes Node 1: [Root @ rac1 crsd] # crsctl sto