How to Disable DISM for SPARC Supercluster
Solution
To prevent this occurring you need to disable the use of DISM by Oracle on Solaris by either unsetting the SGA_MAX_SIZE / MEMORY_MAX_TARGET / MEMORY_TARGET parameters, or ensure SGA_MAX_SIZE is set to the same value as SGA_TARGET parameter or equal to the sum of all sga components in the instance.
Please note however that Oracle does not recommend disabling the use of automatic shared memory management (ASMM) within the database