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Comment by epistasis | Hacker News Reader

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epistasis·

First two lines of the article:

>At rsync.net we have trusted suppliers with verified supply chains and a long history of providing reliable service.

>However, from time to time, it is expedient to purchase parts from Amazon - something we do with care and suspicion.

That seems like a very reasonable and non-crazy approach to using Amazon.

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This is how we operate at my job. We go through our trusted and reliable vendor, who gets us good pricing but doesn't always control shipping times. If it's urgent, Amazon will be delivered within 48 hrs.

As I pointed out in another post if you are using ZFS RAID Z2 you can use literal used garbage hard drives safely without risking data loss.

ZFS helped me discover that my motherboard SATA chip can't handle 6 drives; I had to purchase a cheap Chinese PCI Express SATA controller to communicate with my drives reliably and error-free.

Not for special VDEVs, which is the explicit purpose here.

You can mirror a slog... l2arc doesn't need a mirror because the data is already on disk. I believe a split metadata can also be mirrored.

That's correct. I ran a special metadata VDEV 3-way mirror using this NVMe PLX card for a while https://imgur.com/a/xiwzkA6

You can dump any vdev you want in a special. I have 2x 3 way mirrors in both of my nas boxes right now

I'd be more worried about a supply chain attack with malicious devices.

What kind of supply chain attack can one mount with a disk?

A malicious device plugged into your machine? The only limit is your imagination.

Yep. Drive firmware is the attack vector, here, for anyone Googling or ChatGPT-ing along.

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