Red Hat : Global File System

- native file system.
- Interfaces directly with Linux kernel file system interface (VFS Player).
- Can be implemented on Standalone System.
- Can be a part of cluster configuration.
- GFS can be created on LVM logical volume.
- GFS is based on 64 bit architecture, can accommodate 8 EB file system.
- Red Hat GFS nodes can be configured and managed with Red Hat Cluster Suite configuration and management tools.
- LVM logical volumes in a Red Hat Cluster Suite are managed by CLVM, which is cluster wide implementation of LVM (clvmd daemon).
- daemon allow all nodes in cluster to share the volume.