In the GFS Shared File Systems, area of a disk configuring the file system consists of the following area:
meta-data area
update log area
data area
The primary MDS references or updates two areas: the meta-data area and the update log area. The AC references or updates the data area.
A GFS Shared File System can consist of a single partition or multiple partitions. The file system with multiple partitions can improve I/O performance.
For example, in an environment where bottlenecks of intensive file data access will reduce the I/O performance of the file system, load balancing with access control will be enabled by configuring the file data area with multiple partitions. Also, the file data area is detached from the representative partition, and the meta data area and update log area can be detached from the file data area. This will increase the performance and throughput of file data I/O.
See
For more information about available partition configurations, see "2.1.6 Partition configuration."
