Storage Overview
This section describes general requirements and recommendations regarding storage in Exasol.
Storage Requirements
- At least 4 storage drives with minimum 250 MBps read/write capacity per drive
- All OS and storage disks should have RAID 1 (or similar fault tolerance)
- RAID 1 disks must be passed directly to storage – nested RAID levels such as RAID 10 are not supported
- OS disks must have at least 150 GiB free disk space after installation
- Swap partition (use size recommended by OS vendor)
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