Today, ext4 – dating back to 2001 – is the default on the Linux System. Linux has released three updates since – ext2, ext3, and ext4. It was the first to use a virtual file system (VFS) switch, which allowed Linux to support many file systems at the same time on the same system. Linux created its original extended file system (ext) as early as 1992. What is EXT4 and Why Should I use it on my NAS? Whereas EXT4 has much lower hardware running requirements but has it’s own limitations elsewhere. On the face of it, ZFS seems better but arrives with much higher hardware requirements to run smoothly. Consider the strengths of each system in light of your needs. While ext4 comes embedded on Linux, it may not be the right choice for managing your data. ZFS and EXT4 for NAS – Advantages and Disadvantages ZFS supports advanced file systems and can manage data long term whereas ext4 cannot. ext4, we see two distinct transactional file systems. While both ZFS and ext4 can retain massive amounts of data in a secure, non-cloud storage pool system, the two products are not equal in capacity, management, or usability. ZFS competes with ext4 for market share in the data management system world. It is not the only one on the market, however. ZFS may be the best-known enterprise-grade transactional file system to use storage pools to manage physical storage space. However today with the growth of brands like QSAN and the release of the new QNAP QTS Hero ZFS powered platform, we want to help you make the choice between ZFS and EXT4 when setting up your NAS drive the first time. We will ignore BTRFS in this article today, as we have covered this alot here on the blog and YouTube (video 1 of 4 below), comparing it with EXT4 many times on the Synology NAS platform. In 2020, the main file systems of choice in NAS are EXT4, ZFS and BTRFS. This is non-reversible (without re-formatting all your storage) and therefore is a bit questionable. One of the first decisions you will need to make if you NAS is Intel/AMD powered is choosing your file system. You can go for the ‘recommended’ settings, but chances are that those ‘defaults’ won’t fit your storage needs. If you have purchased or are thinking of buying a new NAS drive, it is becoming clear that setting it up in the perfect way is a little more complex than it used to be. 8.2 Related Choosing Between ZFS and EXT4 for your NAS Drive in 2020
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