[lug] UAS and USB 3 Disks

Zan Lynx zlynx at acm.org
Mon Jun 24 17:55:28 MDT 2019


On June 24, 2019 4:57:53 PM MDT, duboulder <blug-mail at duboulder.com> wrote:
>Has anybody had success using UAS (usb attached scsi) with sata-to-USB3
>bridges for internal or external disks/ssds?
>
>Over various kernel versions, different bridges/docks/disks/ssds, I
>keep seeing lots of usb bus resets and for some disks, complete
>lockups. This gets triggered by doing large volume transfers (100G+,
>read or write).
>
>I at the point I am going configure UAS out my kernels so I can get
>snapshot backups to complete.
>
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I have several external drives and thumb drives that use UAS and they all seem to work fine. I even got a cool new one last month that let me put a Samsung 970 NVMe into a 10 Mbps USB-3 enclosure.
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