ASM disk group mount fails with ORA-15036: disk <name> is truncated (Doc ID 1077175.1)

Last updated on DECEMBER 19, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.2.0.1 [Release 10.2 to 11.2]
Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Information in this document applies to any platform.
NOTE: kfed is an Oracle internal utility and should not be used unless advised by Oracle Support. Interpreting kfed output is outside of the scope of this article.


Symptoms

This problem can be seen in a both single instance and RAC and in any ASM version.

Attempt to mount ASM disk group (DG1) fails with the following errors:

ORA-15032: not all alterations performed
ORA-15036: disk 'ORCL:DATA10' is truncated
ORA-15036: disk 'ORCL:DATA09' is truncated

Changes

Added two disks, ORCL:DATA09 and ORCL:DATA10 to ASM disk group DG1.
Resized the disks at the OS level.

Cause

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