On Tue, 2023-10-31 at 00:39 +1100, fedora(a)eyal.emu.id.au wrote:
> Possibly. A good test would be to repeat the experiment but with
a
> different target destination, such as /dev/null. This would
> indicate
> whether the problem is with reading or with writing.
Yes, done that. Copying the USB disk to a SATA (non array) disk on
the same server works as well as expected.
Assuming you mean it doesn't slow down, that would seem to indicate
that the problem is with the RAID array.
poc