RHEL7: Difference between revisions
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=== File System Capabilities=== | === File System Capabilities=== | ||
The default file system is now XFS. Here is an overview of the supported file systems in RHEL7. | The default file system is now XFS. Here is an overview of the supported file systems in RHEL7. The information in this section is taken from [https://access.redhat.com/articles/796293 this Redhat page] unless otherwise noted. | ||
* XFS | * [https://en.wikipedia.org/wiki/XFS XFS] | ||
** "[RHEL7] supports XFS filesystem sizes of up to 500 TB." | |||
** "XFS supports journaling to minimize data loss in the event of a system crash. Journal data are written to the log section while the file system is active and read when the filesystem is mounted (to recover any data not already written to disk)." | |||
* [https://en.wikipedia.org/wiki/Ext4 ext4] | |||
** "The maximum standalone filesystem size for ext4 filesystems...[is]...50 TB." | |||
<!-- Also use https://access.redhat.com/articles/3129891 --> | |||
===Security=== | ===Security=== | ||
Revision as of 14:15, 10 May 2019
UNDER CONSTRUCTION
Red Hat Enterprise Linux 7 is an operating system published by Red Hat, Inc., which is currently a subsidiary of IBM.
Features
A summary of important improvements are listed below.
Kernel and Performance
- Based on Linux 3.10.0-957 kernel.
- Initial process is changed to systemd.
- Includes Security-Enhanced Linux.
Virtualization
Users can run virtual machines within RHEL 7 using its built-in Kernel-based Virtual Machine, or KVM. UMIACS also supports the use of Singularity, a container application that is an alternative to Docker.
File System Capabilities
The default file system is now XFS. Here is an overview of the supported file systems in RHEL7. The information in this section is taken from this Redhat page unless otherwise noted.
- XFS
- "[RHEL7] supports XFS filesystem sizes of up to 500 TB."
- "XFS supports journaling to minimize data loss in the event of a system crash. Journal data are written to the log section while the file system is active and read when the filesystem is mounted (to recover any data not already written to disk)."
- ext4
- "The maximum standalone filesystem size for ext4 filesystems...[is]...50 TB."