DB2 10.5 for Linux, UNIX, and Windows

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
DB2 pureScale environments

DB2 environments without the DB2 pureScale Feature

IBM recommends the file systems shown in Table 1 for DB2 for Linux, UNIX, and Windows.

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 DB2 for Linux, UNIX, and Windows
Platform	Operating System	File systems recommended
Linux	Red Hat Enterprise Linux (RHEL)	IBM General Parallel File System¹ (GPFS™) ext3⁴ VERITAS File System (VxFS) Network File System (NFS²) with IBM N-series Network File System (NFS²) with Network Appliance filers
Linux	SUSE Linux Enterprise Server (SLES)	GPFS ext3 VERITAS File System (VxFS) NFS² with IBM N-series NFS² with Network Appliance filers
UNIX	AIX®	GPFS Enhanced Journaled File System (JFS2) NFS² with IBM N-series NFS² with Network Appliance filers VxFS
	HP-UX	HP JFS³ (VxFS)
	Solaris	UNIX File System (UFS) ZFS VxFS
Windows	All Windows products	NTFS
Notes: ¹ See http://www-03.ibm.com/systems/clusters/software/gpfs/index.html for additional information about GPFS. ² See http://www-01.ibm.com/support/docview.wss?uid=swg21169938 for details on which NFS versions are validated for use on various operating systems. ³ HP JFS on HP-UX is an OEM version of VxFS. ⁴ ext4 (the default file system of RHEL 6) is supported.

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 http://www-03.ibm.com/systems/clusters/software/gpfs/index.html.