2 Oracle Cluster File System; Features And Benefits - Novell LINUX ENTERPRISE 11 - HIGH AVAILABILITY Manual

Oracle Cluster File System 2
Oracle Cluster File System 2 (OCFS2) is a general-purpose journaling file system that
has been fully integrated since the Linux 2.6 kernel. OCFS2 allows you to store appli-
cation binary files, data files, and databases on devices on shared storage. All nodes in
a cluster have concurrent read and write access to the file system. A user-space control
daemon, managed via a clone resource, provides the integration with the HA stack, in
particular OpenAIS and the DLM.

12.1 Features and Benefits

Since SUSE Linux Enterprise Server 10, OCFS2 can be used for example for the fol-
lowing storage solutions:
• General applications and workloads
• XEN image store in a cluster
XEN virtual machines and virtual servers can be stored on OCFS2 volumes that
are mounted by cluster servers to provide quick and easy portability of XEN virtual
machines between servers.
• LAMP (Linux, Apache, MySQL, and PHP | Perl | Python) stacks
In addition, it is fully integrated with OpenAIS.
As a high-performance, symmetric and parallel cluster file system, OCFS2 supports
the following functions:
Oracle Cluster File System 2
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