On 09/10/2020 21:42, Ian Klemm via samba wrote:> Hi,
>
>
> I?m currently setting up a samba Server on a Raspberry PI 4 with an
external 8TB HDD.
>
> Since this is rather low end hardware, I?m trying to figure out which
performance optimizations are still relevant today, since a lot has chanced in
the past years and quite a few options are now set by default.
>
>
> The default values seem to work well for Windows but I?m having lots of
issues with macOS.
> Even tho I?m able to hit the same maximum speed, the write speed often
drops to 200-600Mbit/s and I can?t figure out why.
>
>
> max 971.06 Mbit/s
> average 706.49 Mbit/s
> min 304.47 Mbit/s
>
>
> The HDD definitely isn?t the bottleneck.
>
> root at nas /mnt/hdd # dd if=/dev/zero of=testfile bs=1G count=5
oflag=direct
> 5+0 records in
> 5+0 records out
> 5368709120 bytes (5.4 GB, 5.0 GiB) copied, 33.1576 s, 162 MB/s
>
> $ uname -a
> Linux nas 5.4.51-v7l+ #1333 SMP Mon Aug 10 16:51:40 BST 2020 armv7l
GNU/Linux
>
> $ smbd -V
> Version 4.9.5-Debian
>
>
>
> I?d appreciate any tips since I?ve been struggling with this for the past
few weeks.
>
> Kind regards
> Ian
How are you running Samba ? as a standalone server or what ?
Have you read this:
https://wiki.samba.org/index.php/Configure_Samba_to_Work_Better_with_Mac_OS_X
Rowland