System Requirements

This section describes the general hardware and operating system requirements when installing Exasol.

Hardware Requirements

CPU and Firmware

  • 64-bit x86 platforms with SSSE3 featured Intel or AMD CPUs (1 to 4 sockets)
  • BIOS/UEFI configured for maximum performance (recommended)


  • 10G, 25G, 50G, and 100G network interfaces are supported.
  • The database hosts must be assigned subsequent static IPv4 addresses in the same subnet.
  • DHCP can be used if the hosts always receive the same IP address.

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

Operating System Requirements

Recommended Linux distributions

  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Red Hat Enterprise Linux 9
  • Red Hat Enterprise Linux 8

Operating System Prerequisites

  • Disable SELinux (if installed)
  • Disable firewalls (ufw, firewalld)
  • Disable antivirus scanners
  • Configure NTP so that time is synced between all nodes
  • On RHEL, install and enable the iptables service