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Which RAID? (lemm.ee)

submitted 1 day ago by WeAreAllOne@lemm.ee to c/selfhosted@lemmy.world

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Hey everyone. So I'm trying to decide which RAID should I choose for my 6trays NAS. I have 4 x 16TB HDDs, 1x8TB HDD and another one 500GB ssd that I will use as a containers' docker folder usage. I will be using the NAS to store Media files (movies, tv series, photos, music etc.) and also documents. Currently I have the 2 16tb as RAID 1 that only the Media files are stored and I am in between either creating another RAID 1 with the remaining 2 16Tbs or adding them to the other 2 to create a RAID 5 and have a bigger storage pool Have you had any incident where 2 HDDs were lost-damaged simultaneously (as RAID 5 forgives loss of only 1 drive) or not?

In addition I was thinking of having the 8TB HDD as a standalone to backup the documents and maybe the photos and the docker setups.

Does this make sense to anyone that uses similar setup?

Thanks for your inputs!

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[–] blackstrat@lemmy.fwgx.uk 1 points 6 hours ago (1 children)

RAID does not work today with any disks you may have: https://www.youtube.com/watch?v=l55GfAwa8RI

.The only sane option is ZFS with zRAID1/2.

[–] sugar_in_your_tea@sh.itjust.works 1 points 6 hours ago* (last edited 6 hours ago)

That video is about hardware RAID. Software RAID is still alive and well (e.g. mdadm).

I personally use BTRFS w/ RAID 1, and if I had OP's setup, I'd probably do RAID 10. Just don't use RAID 5/6 w/ BTRFS.

ZFS isn't the only sane option.