Veritas Storage Foundation 5.1 SP1 Cluster File System Administrator"s Guide (5900-1738, April 2011)

Technical overview of

Storage Foundation Cluster

File System

This chapter includes the following topics:

■ Storage Foundation Cluster File System architecture

■ About Veritas File System features supported in cluster file systems

■ Storage Foundation Cluster File System benefits and applications

Storage Foundation Cluster File System architecture

The Veritas Storage Foundation Cluster File System (SFCFS) allows clustered

servers to mount and use a file system simultaneously as if all applications using

the file system were running on the same server. The Veritas Volume Manager

cluster functionality (CVM) makes logical volumes and raw device applications

accessible throughout a cluster.

This section includes the following topics:

■ About the symmetric architecture

■ About Storage Foundation Cluster File System primary/secondary failover

■ About single-host file system semantics using Group Lock Manager

About the symmetric architecture

SFCFS uses a symmetric architecture in which all nodes in the cluster can

simultaneously function as metadata servers. SFCFS still has some remnants of

Chapter