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  Which file system is most suitable for your Linux system
  Add Date : 2018-11-21      
  File system: they are not the world's most exciting technology, but still important. In this article we will breakdown of those popular Linux file system - what they are, what they can do, as well as their target audience.



If you've ever installed Linux, you've probably seen the word "Ext4" during the installation process. Use it to have a good reason: it is the current Linux distribution available for each of the selected file system. Of course, there are other options, but it is undeniable that, Ext4 (Extended 4) almost all Linux users will select the file system.

What can it do?

All the advantages you would expect Ext4 file system has before (Ext2 / Ext3), and also brought some improvements. There's much more you can discover here include the best part Ext4 bring you:

Journaling file system
Log parity
Multiple file allocation blocks
Backward compatible with Ext2 && Ext3
Preallocated continuous free space
Improved file system check (compared to the previous version)
Of course, while supporting larger files

Target user

Ext4 for those looking for super-reliable foundation for the environment or those who just need to work on the line users. This file system does not do a snapshot of your system; it is not even the best SSD support, but if you are not too picky, you would think it is also good.



B-tree (B-tree) File System (also known as a butterFS, butter file system) Oracle for Linux is developed by a file system. It is a new file system, and is now in the development stage. Linux community that its use is sometimes still somewhat unstable. Core principles BtrFS is around copy-on-write (copy-on-write) the principle of expansion. Copy basically means that before writing data is completed, each bit of this data has a separate copy-on-write. When the data write is completed, it is equivalent to doing a copy.

What it can do

In addition to support for copy-writing outside, BtrFS also capable of many other matters - in fact, it can continue to list the various properties. Here are the most noteworthy features: support for read-only snapshot, clone file, sub roll, transparent compression, offline file system check, the conversion from ext3 & 4 place to BtrFS, online defragmentation, also supports RAID 0, RAID 1 , RAID 5, RAID 6 and RAID 10.

Target user

BtrFS developers who promised, the file system is the next generation replacement for the current other file systems. Very correct, although it is in development. It has a lot for advanced users killer features for basic users, too (including better performance SSD above). The file system is for those who want to get more (properties), as well as those who want to try the replication mechanism used when writing to do something from the file system.


Created by Silicon Graphics developed, XFS is a high-end file system, located in speed and performance. Focus is on performance, so in terms of parallel IO, XFS performance is particularly remarkable. XFS file systems can handle large amounts of data, in fact, some XFS users' data close 300TB or more.

What it can do

XFS is a good experience to test data storage file system, which is a high-performance operation for the birth. Features include:

Article striped RAID array allocation
Journaling file system
Variable block size
Direct I / O
Specified rate (guaranteed-rate) I / O
Online Defragmentation
Online resize the file system
Target user

XFS for those who want a rock-solid plan users. It began in 1993, and changed over time it gets better and better. If you have a home server, and you are worried on how to deploy the storage environment, it can be considered under XFS. It has many features (such as snapshots) can help you file storage system. Still, it is not limited to the server. If you are a relatively high point of the user, or you are interested in a lot of characteristics BtrFS promised, then try XFS. It implements many of BtrFS similar characteristics, and there is no stability problems.



ReiserFS Reiser4 is the successor, by the creation and development of Namesys company. Its birth can be traced back to Linspire project and DARPA. It is a unique place that many transaction mode. It is not limited to a single way of writing data; instead, there are many ways (to write).

What it can do

Reiser4 has a number of different transaction mode unique ability. It can use the copy mode (like BtrFS) write anywhere written (write-anywhere), logs, and transaction mix mode. It made a lot of improvements on the basis of ReiserFS, including better roaming based log file system logs, smaller file to support better, and faster processing directory. Reiser4 offers many features. There are more features can be explored, but simply, compared to ReiserFS it not only made great improvements, but adds many features.

Target user

Resier4 for those who want to use a file system to the user a variety of scenarios. You may want to use when writing copy mechanism on a machine, use Write Anywhere mechanism on another machine, but also mixed transactions on another machine, and you do not want to use several different types of file system to accomplish this task. Reiser4 is the perfect solution for this situation.

in conclusion

There are many available on the Linux file system. Each file system has its specific purpose, in order to solve different problems to a particular user. Focus of this article focused on the mainstream choice on Linux file system. Undoubtedly, there are some other options other scenes.

What is your favorite in the Linux file system? In the comments section below to tell us about it!
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