ASM - Internal Handling of Block Corruptions
(Doc ID 416046.1)
Last updated on JULY 29, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 9.0.1.0 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A 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 |