My Oracle Support Banner

ASM System Disk Group Warnings on Free Space for -MGMT Database When Running Prechecks for Oracle12c Grid Upgrade using Orachk (Doc ID 2197094.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


Get Warning message on ASM Disk group not having enough free space to create management database for -MGMT database when running prechecks for Oracle12c Grid upgrade using Orachk utility.

Ran OraCHK tool and it reports the following:

WARNING => system disk group does not have enough free space to create management database

Orachk utility is run  before upgrading Oracle GI two node RAC from  to 

The ASM disk group has sufficient free space.

Environment uses High Redundancy for  OCR and voting disk group.



To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.