On 11/01/2021 15:16, Chris Green wrote:
> 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.
>
Mmm. I get pretty close to my 100Mbps network  against a linux server
with NFS.


--
Canada is all right really, though not for the whole weekend.

"Saki"

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