Database Administration & Monitoring
Oracle 12c – DB_UNKNOWN in ASM
09.11.2016 by Oracle Team
By William Sescu Have you ever noticed a DB_UNKNOWN directory in your ASM structure? It usually happens in combination with spfile creation in ASM, or with RMAN spfile restores to ASM. The correct location is +DATA/<SID>/PARAMETERFILE/SPFILE.<#>.<#>, and an ASM alias(…)