Versions 11.2.0.4 and later: When a LUN is expanded, unable to resize ASM disks online (Doc ID 2000490.1)

Last updated on OCTOBER 13, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

When a LUN is expanded, unable to resize ASM disk online.  However, able to resize the ASM disk after dismounting/remounting the ASM diskgroup  or restarting the ASM instance. No warnings are noticed in the Operating System while increasing the LUN.  The below error message is noticed in the ASM alert log file.

Cause

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