Recommended file systems

Db2® databases run on many of the file systems supported by the platforms the Db2 product runs on.

The file systems you can use depend on whether you want use the IBM® Db2 pureScale® Feature.

Db2 environments without the Db2 pureScale Feature

IBM recommends the file systems shown in Table 1 for Db2.
Note: Undocumented limitations might exist for file systems not listed in Table 1. Support for unlisted file systems might be limited.
Table 1. File systems recommended for Db21
Platform Operating System File systems recommended
Linux® Red Hat Enterprise Linux (RHEL)
  • IBM General Parallel File System2 (GPFS)
  • ext3
  • ext4
  • xfs
  • VERITAS File System (VxFS)
  • Network File System (NFS3) with IBM N-series
  • Network File System (NFS3) with Network Appliance filers
SUSE Linux Enterprise Server (SLES)
  • GPFS
  • ext3
  • ext4
  • xfs
  • VERITAS File System (VxFS)
  • NFS3 with IBM N-series
  • NFS3 with Network Appliance filers
  • btrfs4
UNIX AIX®
  • GPFS
  • Enhanced Journaled File System (JFS2)
  • NFS3 with IBM N-series
  • NFS3 with Network Appliance filers
  • VxFS
Windows All Windows products NTFS
Notes:

Db2 pureScale environments

The Db2 pureScale Feature requires the IBM General Parallel File System (GPFS). This file system is installed and configured automatically by the Db2 pureScale Feature installer if it is not already installed. Refer to the installation prerequisites for more information about the specific version of GPFS required. For more information about GPFS, see https://www.ibm.com/docs/en/gpfs.