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What is OCR and voting disk?

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What is OCR and voting disk?

The voting disk is a file that manages information about node membership, and the OCR is a file that manages cluster and Oracle RAC database configuration information. The Oracle Clusterware installation process creates the voting disk and the OCR on shared storage.

Where is OCR and voting disk?

of voting disks depend on the type of redundancy. From 11.2. 0. x onwards OCR and voting files are placed in the ASM diskgroup.

What is voting disk and OCR in 11gR2?

OCR: It created at the time of Grid Installation. It’s store information to manage Oracle cluster-ware and it’s component such as RAC database, listener, VIP,Scan IP & Services. Minimum 1 and maximum 5 copy of OCR is possible.

Who will manage OCR files?

You can store OCR and voting disks on Oracle Automatic Storage Management (Oracle ASM), or a certified cluster file system. Oracle Universal Installer for Oracle Clusterware 11g release 2 (11.2), does not support the use of raw or block devices.

What are voting disks?

What is a Voting Disk? – Voting disk is a file in which all the nodes of a cluster register their heartbeat information. – It also contains the list of the active nodes. – Voting disks or files are like attendance registers where nodes mark their attendance (heartbeats) to confirm they are alive.

What is OCR file in Oracle RAC?

Oracle Cluster Registry (OCR) The OCR contains cluster and database configuration information for RAC and Cluster Ready Services (CRS) such as the cluster node list, and cluster database instances to node mapping, and CRS application resource profiles. The OCR is a shared file located in a cluster file system.

How do you take OCR?

Open a PDF file containing a scanned image in Acrobat for Mac or PC. Click on the “Edit PDF” tool in the right pane. Acrobat automatically applies optical character recognition (OCR) to your document and converts it to a fully editable copy of your PDF. Click the text element you wish to edit and start typing.

What is voting disk in Oracle?

– Voting disk is a file in which all the nodes of a cluster register their heartbeat information. – It also contains the list of the active nodes. – Voting disks or files are like attendance registers where nodes mark their attendance (heartbeats) to confirm they are alive.

What is OCR and OLR in RAC?

Oracle Cluster Registry (OCR) and Oracle Local Registry (OLR) are two very important components of a Grid Infrastructure that help manage the cluster resources. In a nutshell, OCR is used by CRSd and OLR by the OHASd.

What is the full form of OCR?

OCR stands for “Optical Character Recognition.” It is a technology that recognizes text within a digital image. It is commonly used to recognize text in scanned documents and images. OCR software can be used to convert a physical paper document, or an image into an accessible electronic version with text.

What is an OCR code?

The basic process of OCR involves examining the text of a document and translating the characters into code that can be used for data processing. OCR is sometimes also referred to as text recognition.

What is vote disk?

A voting disk is a file that manages information about node membership. It is located on the shared cluster system or a shared raw device file or Oracle ASM(11gr2 onwards) . Its primary purpose is to help in a situation where the private network communication fails.