[Samba] Performance issues since upgrading to 3.X to 4.X

[Rowland penny]

On 20/07/2020 14:53, L.P.H. van Belle via samba wrote:
> Pretty close to what i have that :
>
> [global]
>     workgroup = PRIVATE
>     server string = %h server
>     log file = /var/log/samba/log.%m
>     max log size = 1000
>
>     log level = 0
> ####### Authentication #######
> ## stand alone everything open.
>     security = user
>     guest ok = yes
Louis, 'guest ok = yes'  in global ??????
>     map to guest = bad password
> ## map id's outside to domain to tdb files.
>     idmap config * : backend = tdb
>     idmap config BUILTIN : range = 3000-3999
No, this isn't a domain member, so you do not need the 'idmap config' lines
> Im using Kodi with above, this is running since ubuntu 12.04, upgraded every lts, now 20.04
> Always full speed with copying.
>
> Yours,
>> [global]
>>      workgroup = DRAGONLAIR
>>      server string = Samba Server
>>      server role = standalone server	< remove
No, don't remove it, or if you do, replace it with 'security = user'
>>      log file = /usr/local/samba/var/log.%m << that looks like a self compiled Samba install path, i suggest correct it.
>>      max log size = 50
>>      server signing = disabled	< remove
>>      server services = smb	< remove
>>      dns proxy = no
>
>> [myuser]
>>           path = /home/myuser
>>           invalid users = root
>>           valid users = myuser
>>           read only = no
>>
>> [virtualbox]
>>           path = /home/virtualbox
>>           invalid users = root
>>           valid users = myuser
>>           read only = no
>>
>> [Video]
>>           path = /vol0/Video
>>           invalid users = root
>>           valid users = myuser
>>           read only = no
>>
>> [Episodes]
>>           path = /vol0/Episodes
>>           invalid users = root
>>           valid users = myuser
>>           read only = no
>>
>> [Vol0]
>>           path = /vol0
>>           invalid users = root
>>           valid users = myuser
>>           read only = no
>>
>> [Vol1]
>>           path = /vol1
>>           invalid users = root
>>           valid users = myuser
>>           read only = no
>>
>> [Vol2]
>>           path = /vol2
>>           invalid users = root
>>           valid users = myuser
>>           read only = no
>>
>> [Vol3]
>>           path = /vol3
>>           invalid users = root
>>           valid users = myuser
>>           read only = no
>>
>> [Vol4]
>>           path = /vol4
>>           invalid users = root
>>           valid users = myuser
>>           read only = no
>>
>>
>> [Vol9]
>>           path = /vol9
>>           invalid users = root
>>           valid users = myuser
>>           read only = no
>> [VolP]
>>           path = /volP
>>           invalid users = root
>>           valid users = myuser
>>           read only = no
>>
>> [backup]
>>           path = /mnt/backup
>>           invalid users = root
>>           valid users = myuser

You will probably speed things up if you remove all the 'invalid users' 
and 'valid users' lines.

Rowland