RHEL 6 Storage Admin - 2.2. Overview of Supported File Systems

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2.2. Overview of Supported File Systems

This section shows basic technical information on each file system supported by Red Hat Enterprise Linux 6.

Table 2.1. Technical Specifications of Supported File Systems

File System	Max Supported Size	Max File Size	Max Subdirectories (per directory)	Max Depth of Symbolic Links	ACL Support	Details
Ext2	8TB	2TB	32,000	8	Yes	N/A
Ext3	16TB	2TB	32,000	8	Yes	Chapter 6, The Ext3 File System
Ext4	16TB	16TB	65,000^[a]	8	Yes	Chapter 7, The Ext4 File System
XFS	100TB	16TB	65,000^[a]	8	Yes	Chapter 9, The XFS File System
^[a] When the link count exceeds 65,000, it is reset to 1 and no longer increases.

Note

Not all file systems supported by Red Hat Enterprise Linux 6 are documented in this guide. In addition, technology preview file systems (e.g. BTRFS) are not documented herein either.