Re: [9fans] dd(1) takes very long

[Aleksandar Kuktin <ak@triklod.rs>]

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>On Fri, 1 Mar 2024 10:08:25 +0100
>Marco Feichtinger <marco@germteig.com> wrote:
>
> > and the computer isn't a SBC bitty box, the transfer rate is weirdly
> > low.
> 
> Well, both disk are on the same machine.
> It's a Supermicro X7SPA-H-D525 board.
> 
> -marco

Well, that's not a bitty box. Wish I bought something like that instead
of my BananaPi. Anyway, someone more knowledgeable on Plan 9 than me is
needed. I can only speculate that the OS and hardware fight. I have
something similar happening on my desktop with modern hardware running
old software. I run GNU/Linux on it. For some reason I can't figure out,
transfers start off normal but then degrade to 10 Mbps or less after a
few GiB are transferred. If I try it with CentOS 7, it runs fine. But
when I use my own homegrown distro it's pathologic. Kernel version
3.16.85, vanilla.

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