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 […]
Articles Tagged: ACFS
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. [oracle@rac1 ~]$ sqlplus / as sysasm SQL*Plus: Release 11.2.0.4.0 Production on Wed Mar 21 23:22:52 2018 Copyright (c) 1982, 2013, Oracle. […]
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 […]
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 […]
Getting Started with Automatic Storage Management Cluster FileSystem (ACFS) – Part I
I must thank my fellow DBA Franky Weber Faust for his publication in Portuguese OTN. Purpose: To present the benefits and reasons for using ACFS and to initially configure ACFS for use. The Automatic Storage Management Cluster File System (ACFS) was introduced in the second release of Oracle 11g in 2009 and initially there was no […]