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Synology requires self-branded drives for some consumer NAS systems, drops full functionality and support for third-party HDDs (www.tomshardware.com)

submitted 5 days ago by Alphane_Moon@lemmy.world to c/hardware@lemmy.world

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[–] tal 2 points 4 days ago* (last edited 4 days ago) (2 children)

I've never used Synology NASes, but one feature that Synology NASes have that I found interesting and unusual was their ability to glue drives of different sizes together, what they called "hybrid RAID". No single-drive point of failure, but permits for using drives of different size without wasting a ton of space.

While this isn't, internally, all that technically complicated to do

internally, I understand that it's just slicing the disks up into a bunch of Linux LVM logical volumes and merging those into an md device, keeping in mind where the logical volumes are located. You can build something like it on a Linux machine with LVM and md. However, it isn't something that other NASes that I've seen provided.

Last I looked, Unraid couldn't do it, and QNAP couldn't do it.

Based on a quick search, it sounds like Unraid still can't do that.

[–] LucidNightmare@lemm.ee 2 points 4 days ago

tal, good to see you! I remember you for the "kagis real quick" comments you've left before! I actually started using Kagi because of you, and the assistant was a great help in getting my TrueNAS Scale setup, among many many other things. I actually love searching for things (most of the time) now! Thank you for enlightening me! :)

[–] ReallyActuallyFrankenstein@lemmynsfw.com 1 points 4 days ago* (last edited 4 days ago)

The thing I like about Unraid that's dead simple, which I'm sure more technically-minded people can do with many solutions, is use drives of different sizes as long as each drive is less than the size of the parity drive(s). Since content shares are automatically distributed across drives, and those drives are different sizes, is that not very similar functionality?

I guess my question is, is the hybrid RAID solution above different only in that the array presents as a single drive to the user, rather than a single (multi-drive-apportioned) share?