this post was submitted on 04 Dec 2025
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Data Hoarder

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Hello all, I have a brainstorming question for you all, or maybe I'm just looking to confirm that my proposed solution makes some sense.

I am looking to re-arrange my storage solution to fit my needs, here is the situation:

  • I have a 2TB iCloud drive which is the main source of data (iCloud drive and Photos).
  • I have a self hosted Jellyfin instance that requires storage for the media content.
  • At the moment it's using a 2TB WD Element USB drive, which is terrible, not enough storage and super slow.
  • I have a WD MyCloud EX2 Ultra with 2 bays and 2 WD Red 4TB disks.
  • I have a TrueNAS machine running on an Atom D2700 with 8GB of RAM and 2 old 320Gigabytes disks that I've used just for testing.

The objective:

  • iCloud backup: take a recurring backup of iCloud.
  • Jellyfin storage: I figured at least 4TB.
  • Reuse and costs optimization: reuse as much of the current hardware as possible and minimizing costs.

My proposed solution:

  • iCloud backup:
    • Move the 2x4TB WD Red from the WD MyCloud EX2 Ultra to the TrueNAS machine and set it up in mirror mode.
    • Use icloud-docker to backup iCloud in TrueNAS.
    • Use rclone to keep an additional offsite backup on Scaleway glacier (I'm already using it to store some other backups and very happy with it).
  • Jellyfin storage:
    • Buy either 1 or 2 6TB WD Blue disks (or equivalent) to put into the WD MyCloud EX2 Ultra and use that as storage unit for the Jellyfin instance.
    • The reason for using WD Blue is to contain costs. The multimedia storage is not that important to me. Meaning I will not take a backup of it, and if I loose something is not a problem. I just need space and decent speed.
  • Reuse and costs optimization:
    • I will reuse all the hardware that I currently have plus buying only 1 or 2 more disks.

What do you guys think?

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[–] hendrik@palaver.p3x.de 4 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

Be careful in case you're planning to do a RAID 0 on the two 6GB drives in the MyCloud. If either of the two drives fail, you'll lose your multimedia files on the still intact drive as well. I'd use them individually (JBOD?). Or just buy one 12TB drive, that's about the same cost and you'll get a spare disk slot for later upgrades. If you were to do RAID1, nevermind what I just said. That's fine.

Not sure which harddisks to recommend, though. I mostly buy what seems to be the best cost/performance ratio, or whatever is on sale at that time no matter if it's Samsung, Toshiba or WD... And be wary when comparing prices. There's a lot of refurbished, used hdds on the market... Don't get tricked into buying a re-certified hdd for the price of a new one.

[–] OwlPaste@lemmy.world 2 points 2 weeks ago (1 children)

Il add to that try to go raid6, i made a stupid decision to go raid 5 for wanting more space but now i have a 2nd drive slowly failing and its really annoying to worry about data stability.

[–] rhaidiz@lemmy.world 2 points 2 weeks ago

That makes sense. The MyCloud only supports JBOD, RADI0 and RAID1. I thought initially to go with RAID0 and the 2 TB disks, but probably the risk is too high compared to the benefit of JBOD for this use case. I mean once one disk if full I can just fill the other one and have Jellyfin get the content from both disks without problems.