ACFS file system Mount and Dismount Operation

Before we shut down ASM instance it is important to dismount acfs file system , Once it is dismounted all open references to Oracle ASM files are removed . If ACFS file system is active and ASM instance is forcibly shut down , acfs file system will be placed in offline error state.If any file […]

Read More

Creating ADVM volume and ACFS File System

To see overview of ACFS file System , Oracle ASM Cluster File System Step 1 : Basic thing to use ACFS file system is compatible.rdbms, compatible.advm parameter should be set to 11.2 or higher.

I got error while updating compatible.advm parameter , to set compatible.advm to 11.2 we need to first start acfsload with […]

Read More

Oracle ASM Dynamic Volume Manager and ASM Cluster File System

ASM is a preferred storage for all database files – Datafiles, Controlfiles , Redo log files, Archive Logs, RMAN backups ,Flashback Logs etc. And Oracle ACFS is the preferred file manager for non-database files. It is optimized for general purpose files.Oracle Automatic Storage Management Cluster File System (Oracle ACFS) is a multi-platform, scalable file system, and […]

Read More

ACFS for Database and Flex ASM – Part II

I must thank my fellow DBA Franky Weber Faust for his publication in Portuguese OTN. Objective: Explain and demonstrate the use of ACFS for storing Oracle Home binaries and the database itself, registering the ACFS filesystem to start automatically, configuring the logs to be generated in a unified directory, and displaying ACFS behavior with the […]

Read More