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Yes, because of the drive flexibility. FreeNAS uses traditional RAID.

FreeNAS uses ZFS. There isn't anthing traditional RAID about it.

You can expand it but not by adding a single disk to a parity set (going from five drives to six), only by adding a set of disks (adding another set of five or a similar combination).

I'm well aware of ZFS and have used it many times. To noobs the world can be separated into "RAID" and "non-RAID" type setups. UNRAID (non-RAID) offers much more drive flexibility which makes it cheaper to start and add to over time compared to ZFS.

You have obviously no clue what FreeBSD/FreeNAS and ZFS is. I always recommend a Battle hardened Filesystem/Volume-manager (ZFS/Lustre in Los Alamos) over some proprietary software.

I'm well aware of ZFS and have used it many times. To noobs the world can be separated into "RAID" and "non-RAID" type setups. UNRAID (non-RAID) offers much more drive flexibility which makes it cheaper to start and add to over time compared to ZFS.

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