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TROUBLESHOOTING - ASM disk not found/visible/discovered issues (Doc ID 452770.1)

Last updated on OCTOBER 26, 2020

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.

Purpose

This note will assist in troubleshooting disk not found / visible / discovered issues with ASM

Typically this means that the disk in question is not found in the v$asm_disk view

Common errors indicating that a disk is missing/not found are :

ORA-15063: ASM discovered an insufficient number of disks for diskgroup s%
ORA-15040: diskgroup is incomplete
ORA-15042: ASM disk "%" is missing

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
References

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