Storage Requirements 
                                                            This article describes general requirements and recommendations regarding storage in Exasol.
Supported storage types/technologies
- Sparse file devices hosted on a filesystem like ext4 or XFS (NFS is not supported)
- Block devices (local storage SAS, SSD, NVMe, virtual disks, or remote storage iSCSI/SAN)
- LVM2
- LUKS
Additional storage requirements
- 
                                                                            Use at least 4 storage drives with minimum 250 MBps read/write capacity per drive. 
- 
                                                                            OS and storage disks should have RAID 1 or similar fault tolerance. 
- 
                                                                            OS disks must have at least 150 GiB free disk space after installation. 
- 
                                                                            For swap partitions, use the size recommended by the OS vendor. 
To learn how to calculate the required size for storage devices, see Sizing Guidelines.