Btrfs vs EXT4: Everything You Need to Know About Btrfs and EXT4!

So, what's the difference between EXT4 and Btrfs? You might be wondering what sets these two file systems apart. Before diving in, it's important to note that not all operating systems (OS) support all types of file systems.

Thus, on Windows, you have a few file system options (like FAT32, NTFS, etc.) for storing data on your hard drive. Conversely, Linux users have several file types to select from. EXT4 is the most commonly used Linux hard disk format, whereas Btrfs and ZFS are gradually gaining traction.

Now, we're about to explore Btrfs vs. EXT4: what sets them apart. So, stay with us.

How to Recover Data from EXT4/Btrfs RAID/NAS Drives

There are two main file systems for NAS storage: EXT4 and Btrfs. While NAS is a dependable device, data loss can still occur, and you can never predict when it might happen. NAS drives may lose data due to the following reasons:

• Accidental deletion
• Repetitive power failures
• NAS initialization or formatting

So, how to bypass such inconvenience? Well, there is no need to worry in this case. NAS data recovery software tools have got you covered. Let's explore more about this utility.

Data Recovery Wizard Pro is an excellent tool that assists you in recovering data files from various file systems effortlessly. The software boasts an intuitive user interface and an abundance of features to simplify the data recovery process.

Prominent features of NAS data recovery software:

• Extremely easy NAS data recovery without needing to remove the RAID disks.
• Recover deleted files from the NAS drive instantly.
• Restore lost data from formatted or initialized NAS devices.
• Preview files before recovery, so there's no need to recover all files. Just retrieve the necessary ones and save time.

Follow the steps below for QNAP, Synology, LaCie, Iomega, Buffalo, D-Link, Seagate, Western Digital, and more NAS data recovery.

Step 1. Launch the tool Data Recovery Wizard, select a NAS server, and initiate the recovery process.

Step 2. Upon opening the software, choose "NAS Recovery" from its menu. Select the desired NAS device and click "Scan" to promptly generate a list of all available NAS servers.

Step 3. To enable the SSH service, go to "Control Panel > Terminal & SNMP." Launch the Data Recovery Wizard, view and remember the remote access port, then click "Next." If the IP address or Port is incorrect, you can manually correct them. Finally, click "Connect Now."

Step 4. The data recovery software will now establish a connection with your NAS and initiate a scan of the NAS device. Upon completion of the scan, you will be able to view all existing, deleted, or lost files on your NAS system.

Step 5. To find the deleted files on the hard drive, utilize the "Filter" tool or the "Search files or folders" button. Click "Recover" to copy the desired NAS files that you accidentally misplaced to another location.

别忘了分享这篇文章，以帮助更多丢失宝贵数据的NAS用户。

# About the Btrfs File System

Btrfs, commonly referred to as a B-Tree file system, is a sophisticated and feature-rich file system. Since its introduction, it has generated significant interest and discussion. The industry labels it an advanced file system due to its implementation of the Copy on Write (CoW) mechanism.

This specific mechanism allows for data to be stored back after modification, reducing the likelihood of data corruption. Although this file system was introduced in 2007, many businesses still utilize it.

This is because it allows developers the space to add new functionalities within the same file type. This is another reason why Btrfs is so popular.

⭐Key Features

Pros:

• Supports files with a maximum size of up to 50 TB
• Minimizes complexity when handling large data files
• A reliable file format for Linux operating system

Cons:

• Data fragmentation remains relatively high

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File System Comparison: NTFS, FAT32, exFAT, and EXT - Which One to Choose?

This page compares four popular file system formats - NTFS, FAT32, exFAT, and EXT2/3/4. Read more >>

# About Ext4 File System

Ext4 is the fourth iteration of Linux's Extended File System (Ext). Initially, it primarily served as an extended file system (ext). However, the Ext file system remains the most recent offering from the operating system vendor. Consequently, it is still included as a standard component in modern Linux systems.

Today, Ext4 is recognized as a journal-based file system. This is because it maintains a journal of the data stored on the disk.

⭐Key Features

Pros:

• Proven and reliable file format
• Ensures data security over a long period
• Appropriate for novice Linux users

Cons:

• Doesn't permit taking screenshots

Let's explore some of the different file systems supported by Linux: Database file systems Conventional disk file systems: ext3, ext4, XFS, Btrfs, JFS, NTFS, vfat, exfat, etc. Flash storage file systems: ubifs, jffs2, yaffs. Special purpose file systems: procfs, sysfs, tmpfs, etc. — Krishnamohan Yerrabilli ☸️ (@K_Mohan_) [July 22, 2022](https://twitter.com/K_Mohan_/status/1550521728861753345?ref_src=twsrc^tfw)

Btrfs vs. EXT4: What Are the Differences

Enough of the EXT4 vs Btrfs debate. Let's explore some key differences between these two file systems.

Why Choose the Btrfs File System?

As we've discussed, Btrfs is an excellent file system that comes with some nice additional features. It maintains the reliability of its predecessor's file system while introducing new capabilities. One notable feature is the ability to create snapshots of snapshots, which is highly beneficial.

Its copy-on-write mechanism is a noteworthy improvement. In summary, Btrfs is the more advanced and feature-rich file system for Linux users. You should opt for the Btrfs file system if you desire:

• Greater flexibility

Why Choose the Ext4 File System?

Ext4 is a more conventional file system with added new features. Essentially, it is the fourth iteration of the standard file system for the Linux operating system. However, it does provide some enhancements. For example, it employs a journal-based storage system,不同于Btrfs的写时复制机制.

However, its maximum file size capacity is smaller than Btrfs, so it does have certain limitations. You should opt for the Ext4 file system if you want:

• Trusted file system
• No data fragmentation
• Average file size limits

Btrfs vs. EXT4 on Synology NAS Device

EXT4 vs. Btrfs are the two primary file systems for NAS hard drives. When it comes to choosing the right file system on a Synology NAS or other brand's NAS devices, how do you make the decision? If you're unsure which file system to select for your Synology NAS, don't worry. We've created a short video to assist you in selecting the optimal file system from these two options.

• 00:32 - What is BTRFS?
• 00:45 - How BTRFS Works
• 01:20 - Metadata Checksums
• 01:47 - BTRFS Metadata Checksum
• 02:12 - BTRFS Snapshot
• 02:56 - Virtual Machines and BTRFS
• 03:14 - BTRFS Disadvantages

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Synology Data Recovery: How to Retrieve Lost Files from Synology NAS Device

This page presents an extremely simple method to recover deleted or formatted files from your Synology NAS device using a dedicated data recovery software. Read more >>

Bonus Tip: Recover EXT4/Btrfs Files with Data Recovery Service

You can also seek assistance from data recovery services. They provide the following services following a FREE diagnosis. Contact the professionals now.

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Tools Data Recovery Services

Click here to contact our experts for a free evaluation

Consult with our tools data recovery specialists for personalized manual recovery assistance. After a FREE diagnosis, we can provide the following services:

• Repair damaged RAID configurations, unbootable Windows operating systems, and corrupted virtual disk files
• Recover or repair lost partitions and reformatted drives
• Undo hard drive formatting and repair raw drives (including BitLocker encrypted drives)
• Rectify disks that have become protected by GPT partitions

Conclusion

Now you know the difference between EXT4 and Btrfs. Both file systems have their own set of advantages. However, if you prioritize having more space for storing files, then Btrfs would be the better choice.

Ext4文件系统是一种经过验证且可靠的文件系统。下次当你的NAS驱动器由于某种原因需要格式化时，只需使用Data Recovery Wizard高效地恢复所有数据。所以，现在就下载这款软件吧！

Btrfs vs. EXT4 FAQs

Here are 4 additional questions regarding EXT4 and Btrfs. You can find the answers here.

< strong > 1. Is Ext4 more stable than Btrfs?

Although Btrfs lacks stability and maturity at the time of this writing, it boasts more features than EXT4. Despite its limitations, EXT4 is reliable and well-supported across various Linux operating systems. Btrfs was specifically designed to facilitate efficient administration and maintenance.

< strong > 2. Why use Ext4 over Btrfs?

Ext4 features online defragmentation, quota management, and journaling, which are not available in btrfs. Conversely, btrfs offers functionalities such as snapshots, compression, encryption, deduplication, RAID, subvolumes, and checksums, which are not supported by ext4.

3. Is Btrfs better than Ext4 for SSDs?

As you can see, each of these file types boasts an impressive array of features. However, opt for Btrfs if you require extra space for storing files. That said, the Ext4 file system is a tried-and-tested option.

4. Is Btrfs stable in 2023?

Btrfs works well enough as a single-disk file system, but the ground gets shakier the more users delve into its newer features.