Data Organising is estimated to 20 days!
Rebuild time of RAID5 is unknown never had to do (yet) :-)
Disks never sleep in BTFRS, power cost is here 0.30 per kWh
Constant noise of 5 disk clicking instead of only one or two when using
Do I need 80TB of continuous stiorage? Not really with 2700 movies= 12TB, 8000 TVShow episode= 14TB, most is still in h264 few in h265 and really really few in AV1 (fantastic by the way)
I dont care about Media, and rebuild everything on a 10GB Fiber most of it automatically. Most of my private stuff is on 3-2-1 encrypted anyway
High availability is not a topic, I’m alone using this box. And even, my Homelab is best effort not 24/7

I have another NAS full SSD, with 8 SSD but I hate the nature of RAID in SSD: they die unexpected most of the time. I prefer to lose 4TB then put 30TB at risks if 2 or more SSD decide to stop working

So maybe duplicating on another disk in a mirror (rsync) is maybe better for me

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[–] truthfultemporarily@feddit.org 3 points 3 days ago (1 children)

It's not faster but you're safer during it. If you have a RAID5, you cannot have a second disk fail during resilver. With striped mirrors another disk fail will have at most a 1/3 chance to destroy all data.

[–] mbirth@lemmy.ml 0 points 3 days ago

Agreed. However, mirroring the remaining disk onto a new one makes it more likely for it to fail, too, I guess?

I think the more important rule would be to not buy two disks from the same batch. And then go with whatever tickles your fancy.