XFS
- XFS is the default filesystem
- Fast and scalable
- Uses CoW to guarantee data integrity
- Size can be increased, not decreased
Ext4
- Ext4 was default in RHEL 6 and is still used
- Backward compatible to Ext2
- Uses Journal to guarantee data integrity
- Size can be increased and decreased
vfat
- vfat offers multi-OS support
- Used for shared devices
Btrfs
- Btrfs is a new and advanced filesystem
- Not installed by default on RHEL