genernal

The O2CB cluster stack uses a heartbeat to determine whether a node is dead or alive. Connectivity of nodes and storage devices must be assured to...

Use the o2cb utility to add, remove, and list information in the cluster layout configuration file. You can also use this utility to register and unregister...

By default, the cluster layout configuration file for OCFS2 is /etc/ocfs2/cluster.conf. It is not necessary to configure this file when mounting an OCFS2 volume on a...

There are two configurations needed for O2CB cluster stack to work properly. The first kernel setting is panic_on_oops, which you must enable to change a kernel...

OCFS2 software has a kernel component and a user-space component: Kernel – The kernel component is bundled with the Unbreakable Enterprise Kernel beginning with Oracle Linux...

  So let’s understand a sample configuration with shared storage for cluster nodes, a private network between the nodes (192.168.1.), and the requirement to allow access...

Here are some more features of OCFS2, Advanced Security – Supports POSIX ACLs and SELinux in addition to the traditional file access permission model. Use the...

Here are some features of OCFS2, Variable Block and Cluster Sizes – OCFS2 has two main allocation units, blocks and clusters. OCFS2 supports block sizes ranging...

OCFS2 is a general-purpose, POSIX-compliant, and shared disk cluster file system. It allows multiple nodes to read from and write to files on the same disk...

I am late but better later than never. I still remember when Tom Kyte mentioned how he, Mike Hichwa and few more are working on this...