About OCFS2Edit online OCFS2 is described in detail, including its history, present release levels, compatibility issues, and hardware and software requirements. Overview of OCFS2OCFS2 is a clustered file system for use with Linux®. OCFS2 allows multiple users on physically separated servers to read and write to the same files on the same physical disks at the same time. Access to shared files is coordinated, so that at any moment only one server is actually writing to a block of the file. The integrity of the write operation, the file contents, and the file system structure are protected.History of OCFS2It is helpful to understand the history of OCFS2 and the changes that it has undergone.Versatility of OCFS2Businesses of all sizes are looking for ways to be productive with the tools already at hand. OCFS2 Version 1.2 is included with SLES 9 and SLES 10, making it an economical resource for users who already have either of these Linux® distributions.Systems and connection methods for OCFS2The servers and their communication methods for the OCFS2 study are described in detail.Storage server and disk configuration for OCFS2This OCFS2 study used DASD type disk storage, which uses the IBM® ECKD™ format and FICON® channels.The O2CB heartbeat and services stackWhat makes OCFS2 unique is its stack of five file system services, named O2CB.Parent topic: Oracle Cluster File System Version 1.2, shared file system for Linux on IBM System z