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6+TB disk (hdd or ssd) recommendations? (hexbear.net)

submitted 11 months ago by [email protected] to c/[email protected]

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I've not been burned by 16TB HDD (DOA) and 8TB SSD (seems to be crapping out after being filled ~halfway). I'm very frustrated by this.

The SSD is an older Samsung model that uses SATA, since I'm mostly using this as a data archive. Seem SATA options are becoming rare for SSDs.

Whenever I try to copy ~1GB of data to it, it will revert to a ReadOnly mode in the middle of the copy process. This is on linux. I'll probably try some more troubleshooting of it, but I'm not too confident about it being my 'data archive' drive anymore.

From some searching, it seems that the RO mode switch is a sign of the disk going into a protected-failure state. Anyone have any experience with this? Recommendations for data archive drives of this size that are not ridiculously expensive?

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[–] [email protected] 4 points 11 months ago* (last edited 11 months ago) (1 children)

You can't do an archive with a single disk. The cheapest way to archive is to buy a SAS2008 card (less than 100 USD with the SAS to SATA adapter), flash it to "IT" pass-through mode, and do a pairwise RAID1, btrfs, zfs, minio, or whatever on top of your 8 SATA ports.

Even with rotating disks performance is adequate because you've got 8 of them.

[–] [email protected] 2 points 11 months ago (1 children)

Any recs for u2/nvme controller like this? I'd prefer to not have multiple HDDs since this is in a very small office space. Intel recently released a cheapish 8TB SSD that uses u2/nvme. I'm planning to just rsync the important stuff to a backup disk for fault tolerance until I can get around to a multi-SSD setup.

[–] [email protected] 2 points 11 months ago (1 children)

There are dirt-cheap cards (10 USD) that just wire a PCIe x16 connector into 4 M.2 PCIe x4 sockets. They only work if the firmware of the motherboard lets you split the x16 into four slots, and the CPU supports that many lanes.

It's complicated, ASUS has a huge table that you have to cross-reference with the CPU you have installed and figure out what will work.

The only other option I think could make sense is a thunderbolt adapter like https://www.owc.com/solutions/express-4m2. If you're making a NAS then I really don't see the point of PCIe storage.

[–] [email protected] 2 points 11 months ago

That's a really interesting option. Thanks! I might have to consider that for my Ryzen 7 rig eventually if it is supported.

It does seem like SATA is the way to go to keep things reasonably priced.

Appreciate your inputs.