The Storage Administration Guide contains extensive information on supported file systems and data storage features in Red Hat Enterprise Linux 7. This book is intended as a quick reference for administrators managing single-node (that is, non-clustered) storage solutions.
The Storage Administration Guide is split into two parts: File Systems, and Storage Administration.
The File Systems part details the various file systems Red Hat Enterprise Linux 7 supports. It describes them and explains how best to utilize them.
The Storage Administration part details the various tools and storage administration tasks Red Hat Enterprise Linux 7 supports. It describes them and explains how best to utilize them.
1.1. What's New in Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 7 features the following file system enhancements:
As of Red Hat Enterprise Linux 7 eCryptfs is not included. Refer to Red Hat's Security Guide for information on encrypting file systems.
Red Hat Enterprise Linux 7 includes a new application called System Storage Manager. This provides a command-line interface to manage various storage technologies. For more information, see Chapter 15, System Storage Manager (SSM)
XFS is the default File System
Red Hat Enterprise Linux 7 introduces a new file system structure. The directories
/lib64 are now nested under
BTRFS (Technology Preview)
BTRFS is a local file system that aims to provide better performance and scalability, including integrated LVM operations. This file system is not fully supported by Red Hat and as such is a technology preview. For more information on Btrfs, see Chapter 6, Btrfs (Technology Preview)
NFSv2 no longer supported
As of Red Hat Enterprise Linux 7, NFSv2 is no longer supported.