Re: USB Disk Stalls on -current

From: Warner Losh <imp_at_bsdimp.com>
Date: Mon, 07 Feb 2022 07:57:47 UTC 
On Mon, Feb 7, 2022, 12:51 AM grarpamp <grarpamp@gmail.com> wrote:

> Yes, some USB hw is very flaky,
> but ZFS can work great on these...
>
> https://www.youtube.com/watch?v=7z526m1jvls
> https://www.youtube.com/watch?v=dougISKs2vQ
> https://vimeo.com/13758987
> https://www.youtube.com/watch?v=1zIoK_9UzHk


Doesn't help the performance hiccups though. If you are waiting for a drive
to spin up or come out of power save mode or a USB interface chip to reset,
the filesystem isn't going to matter.

ZFS does a good job recovering in the face of this, but it's not without a
performance hit.

Warner