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Re: [Samba] Is there a limit on Number of users connecting share




Hey Rowland!

Thanks for response. I admire your work. Please find my responses inline.

On 08/20/2018 02:19 PM, Rowland Penny via samba wrote:
> On Mon, 20 Aug 2018 11:06:48 +0530
> Amit via samba <samba@xxxxxxxxxxxxxxx> wrote:
>
>> Dear Devels,
>>
>> samba-4.2.3-10.el7.x86_64
>>
>> # vim smb.conf
>> [global]
>>         workgroup = MYGROUP
>>         server string = Samba Server Version %v
>>         log file = /var/log/samba/log.%m
>>         max log size = 50
>>         security = user
>>         passdb backend = tdbsam
>>         load printers = yes
>>         cups options = raw
>>         server signing = auto
>>         server signing = mandatory
>> [homes]
>>         comment = Home Directories
>>         browseable = no
>>         writable = yes
>> [printers]
>>         comment = All Printers
>>         path = /var/spool/samba
>>         browseable = no
>>         guest ok = no
>>         writable = no
>>         printable = yes
>>  [test]
>>         comment = samba share
>>         path = /test
>>         guest ok = no
>>         write list = @CAT
>>         browseable = yes
>>         create mask = 0755
>>         directory mask = 0775
>>         blocking locks = no
>>         block size = 4096
>>
>> Here CAT is local group.
>>
>> # id catuser
>> uid=5060(catuser) gid=1033(CAT) groups=1033(CAT)
>>
>>
>> For my customer, When 200+ User access /test (using catuser). Some
>> users can access share but blank contents.
>>
>> In smb logs:
>> For passing user:
>> 01hwcl858826 (ipv4:10.29.180.45:60627) connect to service test
>> initially as user catuser (uid=5060, gid=1033) (pid 5286)
>> check_reduced_name: . reduced to /test unix_mode(.) returning 0744
>> check_reduced_name [CAT/CAT_658/PROJECT/EXTERIOR/DG] [/test]
>>
>>
>>
>> For failing user:
>> 01hw1027178 (ipv4:172.29.208.178:54638) connect to service scratch
>> initially as user catuser (uid=5060, gid=1033) (pid 28686)
>> check_reduced_name: . reduced to /test unix_mode(.) returning 0744
>> checking for home directory test.ws <http://scratch.ws/>  gave (NULL)
>> checking whether test.ws <http://scratch.ws/>  is a valid printer
>> name...
>>
>>
>> Query:
>> 1. Is there a limit on max number of connections to share? There must
>> be what's the max? 2. Is using force user, force group good option
>> here? 3. Is there limit on max number of files opened, Can this issue
>> be related to this? 4. Why in failing case it checking 'home dir,
>> Printers'?
>>
>>
> I think we need more info here:
>
> What are the clients ?    Windows-7,10 machines
>
> It looks like they are all using the same username to connect to the share, is this correct ? Yes (catuser)
>
> If it is correct, are they all using the same password ? yes
>
> Is this standalone server in an AD domain ?  Standalone server
>
> Do the clients that don't work have NTLMv1 turned off ?  This i need to enquire, But I think No. Beacause issue happens randomly on any of clients when connections reaches > 200 or so.
>
> Rowland
>

-- 
Thanks
Amit Kumar
!!If you stumble, get back up. 
What happened yesterday, no longer matters.
Today is another day to move closer to your GOAL!!


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