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ASM - Internal Handling of Block Corruptions (Doc ID 416046.1)

Last updated on DECEMBER 05, 2018

Applies to:

Oracle Server - Enterprise Edition - Version 9.0.1.0 and later
Information in this document applies to any platform.
Information in this document applies to any platform.
Note:
There is a new parameter in 11g - DISK_REPAIR_TIME, that will not change the concept but could have an effect on the repair time

Purpose

This note explains how ASM detects and automatically repairs single block corruptions for normal or high redundant diskgroups. This note does not apply to diskgroups with external redundancy.

Scope

The reader should know about diskgroups (DG), disks, failgroups (FG) and different types of redundancy with ASM.

Details

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In this Document
Purpose
Scope
Details
 A) Block Corruption in Primary Extent
 B) Block Corruption in Secondary Extent
References

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