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Migrating Oracle 19c Database from Local Storage to ASM: A Complete Step-by-Step Guide

Posted on by Sanjeeva Kumar

Last Updated: December 2025 | Oracle 19c | ASM Grid Infrastructure Migrating an Oracle 19c CDB from local storage to ASM has six viable methods — and choosing the wrong one means unnecessary downtime or a failed rollback. This guide documents the complete migration of a production CDB with one PDB: datafiles, controlfiles, redo logs, Read more about Migrating Oracle 19c Database from Local Storage to ASM: A Complete Step-by-Step Guide[…]

Oracle ASM 19c architecture diagram showing containerized databases using Oracle ASM for shared storage management with disk groups

Oracle ASM 19c Installation: Complete Guide to Oracle Restart Grid Infrastructure [2025]

Posted on by Sanjeeva Kumar

Last Updated: December 10, 2025Tested On: Oracle Enterprise Linux 9.5, Oracle ASM 19c Patch 25 CRS-4535: Cannot communicate with Cluster Ready Services. That error at 2 AM — after a reboot — means ASM didn’t come up. Which means your databases didn’t mount. Which means your phone doesn’t stop ringing. This guide walks through Oracle Read more about Oracle ASM 19c Installation: Complete Guide to Oracle Restart Grid Infrastructure [2025][…]