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Recreating a missing Oracle datafile with no backups

GOAL
How to recreate a datafile that is missing at the operating system level. Missing/inaccessible files may be reported with one or more of these errors:
 
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How to Recover an Oracle Database Having Added a Datafile Since Last Backup

NOTE: In the images and/or the document content below, the user information and environment 
data used represents fictitious data from the Oracle sample schema(s), Public Documentation 
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Recover A Lost Oracle Datafile With No Backup

Problem Description: 
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You have inadvertantly lost a datafile at the OS level and there are no current 
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Recover Oracle database after disk loss

 
PURPOSE
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This article aims at walking you through some of the common
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How Recover an Oracle Database Backup in Windows When Everything is Lost

GOAL
Which steps have to follow in order to recover a backup of a database in a windows platform when everything is lost ?
 
SOLUTION
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How to Recover Oracle Database from Loss Of Online Redo Log And ORA-312 And ORA-313

PURPOSE
This article aims at walking you through some of the common recovery scenarios after a loss of Online Redolog
 
 
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Steps to troubleshoot Oracle RAC clusterware GIPCHA connection failure

PURPOSE
How to troubleshoot when a local process (non bootstrap client) fails to CONNECT to a peer process using the GIPCHA communication protocol?
 
 
 
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Grid Infrastructure (GI) startup fails because crsd fails to start in a flex asm environment (Doc ID 2392762.1)

SYMPTOMS
In a Flex ASM environment, Grid Infrastructure (GI) startup fails when GI is running on one or more of other nodes,
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Bug 22891868 - Oracle Grid Clusterware OHASD does not restart CRSD when crsd.bin is hanging (Doc ID 22891868.8)

Bug 22891868  OHASD does not restart CRSD when crsd.bin is hanging
 This note gives a brief overview of bug 22891868.
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oracle clusterware gi startup issue what to check?

PURPOSE
The purpose of this note is to provide a summary of the top 5 issues that may prevent the successful startup of the Grid Infrastructure (GI) stack.
 
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