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Where to buy server replacement hdd to match existing RAID configured drives? (lemmy.ml)

submitted 4 months ago by brownmustardminion@lemmy.ml to c/selfhosted@lemmy.world

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I have a Dell Poweredge r720xd in RAID10. I've had a couple of drives fail since I've bought it and was able to buy cheap replacements on ebay.

I had another drive fail recently and one of the spare ebay drives came up as "blocked". It put me out a few days while I waited for a new one to arrive; also from ebay.

I'd like to avoid getting another dud drive. Are there any reputable resellers of these old drives so I can stock up on some spares?

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[–] brownmustardminion@lemmy.ml 0 points 4 months ago (4 children)

Damn I wish I would've known sooner. Isn't there a concern of not matching the same drive similar to how you can't mix and match RAM sticks?

[–] viking@infosec.pub 6 points 4 months ago* (last edited 4 months ago)

You absolutely can mix and match RAM sticks, as long as their specs are the same. It's not necessarily recommended as there might be compatibility issues, but usually ends up working just fine.

[–] raldone01@lemmy.world 4 points 4 months ago* (last edited 4 months ago)

I think mixing RAM sticks is mostly fine today. Maybe you won't get 100% performance but I don't think it will be very noticeable. You may still run into issues with some capacity combinations depending on the mainboard/cpu. Regarding clock speeds usually all run on the clock of the slowest one.

Matching RAM latency also matters for performance.

When using different capacity RAM channels matter so take care on the order of population.

[–] poVoq@slrpnk.net 3 points 4 months ago

This really depends on your exact setup and might not be true for hardware raid.

Generally speaking, I would look into replacing that ageing raid with something more modern like Btrfs or ZFS where you are significantly more flexible with the drives used.

[–] talentedkiwi@sh.itjust.works 1 points 4 months ago

Not that I'm aware of, but I'm not as knowledgeable as someone else. I'm hoping some quick research or someone better can help. If I remember I can look later on this evening, but can't at the moment.