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

[Lucio De Re <lucio.dere@gmail.com>]

Increasing the dd block size (-bs 1024k or as big as the man pages
allow) could make a big difference.


On 3/1/24, Aleksandar Kuktin <ak@triklod.rs> wrote:
>>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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> --
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> --
>


-- 
Lucio De Re
2 Piet Retief St
Kestell (Eastern Free State)
9860 South Africa

Ph.: +27 58 653 1433
Cell: +27 83 251 5824

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