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12c ASM: Unable To Add New Disks With Dissimilar Size To ASM Diskgroups (Normal or High Redundancy) Due To ORA-15410 (New 12c ASM Enhancement Validation/Constraint) (Doc ID 1938950.1)

Last updated on FEBRUARY 25, 2022

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 Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database - Enterprise Edition - Version to [Release 12.1]
Information in this document applies to any platform.


1) Adding new disks to existing ASM diskgroups (Normal or High Redundancy) on ASM release reports the following error through SQL*Plus:


2)  Whereas: ASMCA reports the next similar error message (performing the same add disk(s) operation):

<<< The size of the disks selected is not the same as to allow for an equal number of 1MB AU size blocks >>>





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