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Need a Recommendation: 1U Disk Shelf / SAS Expander? (alien.top)

submitted 1 year ago by [email protected] to c/[email protected]

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Hey All,

Surprise surprise, my 48TB array that should never run out of storage has run out of storage.

Because I'm running a ZFS array on TrueNAS Core, theres no real easy way for me to upgrade the hard disks themselves, so I'm looking to create a second pool.

Unfortunately, I only have 1U of space remaining in my rack (which is a half size network utility cabinet) and so my options seem pretty limited.

I think what I would ideally need is:

1 U, Half rack size
At least 4 3.5" bays
SAS connected (this is how my current drives are connected and throwing another external SAS controller in my NAS would be the easiest way (I think) to add this capacity)

The only solution I've been able to find that satisfies these requirements is this device from iStarUSA but I can't find it for sale anywhere

I've also seen some QNAP (TR-004U), Synology (RX418) and ReadyNAS (RR2304), but they seem custom built to work with their proprietary NAS systems and it is unclear if I can use them with my home built TrueNAS Core solution.

Does anyone have any suggestions for products that might meet my needs?

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[–] [email protected] 1 points 1 year ago

I know EXACTLY what you're looking for. (I was in this exact situation myself recently)

This is a SAS-based 4-bay QNAP JBOD for 3.5" SATA drives.

https://www.amazon.com/QNAP-TL-R400S-Rackmount-Enclosure-QXP-400eS-A1164/dp/B086WBHRCF

I personally wanted one myself, but compromised for something else, but this would be perfect for you if you're willing to spend the money.