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Hardware raccomandation for new selfhoster (feddit.it)

submitted 15 hours ago* (last edited 14 hours ago) by bordam@feddit.it to c/selfhosted@lemmy.world

35 comments fedilink hide all child comments

Hi, I wanted to start selfhosting and I'd like to have your opinion on something that I'm struggling to decide.

I don't plan to tinker too much with my system, I've been a Linux tinkerer myself some time ago but now I'd like to setup something that's really bulletproof and then leave it running (ofc I know I'll have to do a bit of bugfixing now and then), not replacing hardware ideally for >= 10 years.

This is why I'm planning to use TrueNAS, and that's why I'm planning to buy a UGREEN DXP2800: has two 3,5" HDD bays (4TB should be enough for me for the next 8-10 years, so I'll have two 4TB disks in RAID1 or mirror or whatever is recommended). Only problem I have with this machine is that it only has 1 RAM slot, and I guess 8 GB isn't enough if I use zfs. So I'll have to upgrade to either 16 or 32 GB. Now I did my research and from my understanding 16GB seems to be enough, but it would be such a waste having to replace the whole RAM if it turns out it isn't enough.

For reference, I don't plan on having more than 7-8 services running: Immich, Nextcloud+office, firefly, audiobookshelf, paperless and a maybe few more if they're useful. I value responsiveness but it's ok if some things take longer to process (thinking immich ML, or stuff like transcoding)

I'm very interested to know your opinion:

is the dxp2800 a good choice?
should I go with 16 or 32 GB RAM?

And a little extra

how much ssd space do you recommend for high speed data? is 500gb enough?

Thank you so much!

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[–] Onomatopoeia@lemmy.cafe 1 points 5 hours ago

"Two in RAID" only means 2 when the arrays on on different systems and the replication isn't instant. Otherwise it only protects against hardware failures and not against you fucking up (ask me how I know...).

If the arrays are on 2 separate systems in the same place, they'll protect against independent hardware failures without a common cause (a drive dies, etc), but not against common threats like fire or electrical spikes.

Also, how long does it take to return one of those systems to fully functioning with all the data of the other? This is a risk all of us seem to overlook at times.