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Add to SafariWhen comparing TrueNAS (formerly FreeNAS) vs Unraid, the Slant community recommends TrueNAS (formerly FreeNAS) for most people. In the question“What are the best operating systems for a NAS/File server?” TrueNAS (formerly FreeNAS) is ranked 2nd while Unraid is ranked 5th. The most important reason people chose TrueNAS (formerly FreeNAS) is:
It has full support for the Solaris ZFS filesystem.
Specs
Question Ranking
Pros
Pro Native ZFS support
It has full support for the Solaris ZFS filesystem.
Pro Traditional Init-system
It uses a traditional UNIX init system.
Pro No systemd
So if some errors appear on boot the system will still boot and you can repair it via ssh.
Pro Solid BSD core
It runs on the stable FreeBSD kernel.
Pro Can use plugins
It's able to use Plugins.
Pro Many Plugins
There are many plugins available.
Pro VSS (Volume Shadow Copy) supported natively in SMB (Samba)
Pro Expandable
Easy to expand storage since it uses their own parity protection system. Mixing drive sizes is possible as long as parity drives have the highest or equal to highest capacity.
Pro Big app (docker) library
Docker images are specially set up for unraid and easy to install and manage.
Pro Stable
Cons
Con Permissions and sharing is not user friendly
For example, WebDAV access is limited to the single "webdav" user. Also, no other folks can log in to the main NAS UI besides the admin.
Con Only AMD64 (x86-64)
It does not have support for other CPU architectures.
Con Limited hardware support
BSD has less support for newer hardware compared to Windows or Linux.
Con Files randomly disappear
Con Corrupts files
Corrupts some files after a while.
Con Not free
Cost depends on how many drives you have (6, 12 or unlimited).
Con SSD cache needed
To achieve optimal speeds you need SSD cache.
