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It's unbelievably hard to find external 2,5" 2-bay RAID enclosures, but apparently it's impossible to find such an enclosure with hdparm/udisksctl support. I just want to spin down and power off the drives in the enclosure from a Linux shell (e.g., udisksctl power-off -b /dev/sdb). I already tried ICY BOX IB-RD2253-U31, without success.

Is anybody aware of such an enclosure?

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  • Have you tried QNAP? They are in the business of RAID NAS and DAS devices so presumably have decent software support.
    – jaskij
    Sep 15, 2019 at 21:19
  • Thanks Jan. Yes, I checked that out actually, but they don't offer 2.5" DAS systems. Good idea though :)
    – JJ Abrams
    Sep 16, 2019 at 19:57
  • A quick Google has thrown a new product at me qnap.com/en/product/qda-a2ar introduced in May this year.
    – jaskij
    Sep 16, 2019 at 20:02
  • And your info might be outdated: the TR-002 supports 2.5" drives: qnap.com/en/product/tr-002/specs/hardware
    – jaskij
    Sep 16, 2019 at 20:07

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I'm not sure about their software, but being a company specialising in this presumably QNAP has good software support.

One device which I presume will meet your expectations is the TR-002 which has two 2.5" bays. They even post a test result using 2 x Samsung 850 Pro. Should you be interested there is also a four drive version.

I don't have experience with these devices nor does a quick Google search show anything. This answer is based on the assumption that QNAP being who they are offers the required software features.

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