Chris Green  wrote:
> paul lee  wrote:
> [snip speeds etc.]
>
> FWIW here are some figures I just got copy a large file across my
> network to my Pi 'NAS':-
>
> chris@esprimo$ scp 2020-08-20-raspios-buster-armhf-lite.zip
backup:/bak/esprimo/cur/home/chris
> 2020-08-20-raspios-buster-armhf-lite.zip 100% 434MB 11.2MB/s 00:38
> chris@esprimo$ scp 2020-08-20-raspios-buster-armhf-lite.zip backup:
> 2020-08-20-raspios-buster-armhf-lite.zip 100% 434MB 11.2MB/s 00:38
>
The above speeds are wrong, I think one of my switches was playing up,
revised speeds as follows:-

Desktop to backup SD card:-
    bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100%  850MB 
20.6MB/s   00:41
    bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100%  850MB 
21.3MB/s   00:39

Desktop to backup external USB3 hard drive:-
    bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100%  850MB 
47.3MB/s   00:17
    bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100%  850MB 
45.3MB/s   00:18

Backup to desktop, from SD card:-
    bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100%  850MB 
36.9MB/s   00:23

Backup to desktop, from external USB3 hard drive:-
    bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100%  850MB 
39.2MB/s   00:21

So, getting on for half the theoretical speed over a Gigabit network in the
best case.

--
Chris Green
·

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