[Samba] Share inaccessible intermittently and often - restarting smb cures for short time

Rich Webb rwebb at zylatech.com
Fri Apr 24 13:54:50 UTC 2020


Interesting that you're using the sernet packages.. Mine was built from 
source.  I guess we're the only two people on the planet having this issue 
:).  I am going to attempt to downgrade just my file server to a few 
versions back and see if it starts working.

On April 24, 2020 3:55:41 AM David Faller via samba <samba at lists.samba.org> 
wrote:

> Same here, I had also wrote to the mailing list,
> 2 Customers has the same issue after upgrading to 4.12
> Windows Clients get the error “another prosscess is in use” or “wrong 
> handle” when a user try to open a network share.
> After restart samba it’s working for a little moment but mostly not.
>
> We’re using Debian 10 Buster and Samba Version is:
> Version 4.12.1-SerNet-Debian-5.buster
>
> Von: samba <samba-bounces at lists.samba.org>
> Datum: Donnerstag, 23. April 2020 um 20:26
> An: samba <samba at lists.samba.org>
> Betreff: Re: [Samba] Share inaccessible intermittently and often - 
> restarting smb cures for short time
> Additional Information:
>
> This is happening on both a Windows 7 client and a Windows 10 client both 
> of which are joined to the domain.  Seems to be some sort of file locking 
> issue but it is happening at the share level - before I even attempt to 
> access or write a file.
>
> On a different server running Samba 4.9.2 and a relatively similar setup 
> (same build commands but running on CentOS 7) I do not have this issue.
>
>> Ok increased logging and got the error here is what got logged:
>>
>> 2020/04/23 14:03:17.514132,  3]
>> ../../source3/smbd/smb2_server.c:3274(smbd_smb2_request_error_ex)
>>  smbd_smb2_request_error_ex: smbd_smb2_request_error_ex: idx[1]
>>  status[NT_STATUS_SHARING_VIOLATION] || at ../../source3/smbd/smb2_create.c:334
>> [2020/04/23 14:03:17.514206,  3]
>> ../../source3/smbd/smb2_server.c:3274(smbd_smb2_request_error_ex)
>>  smbd_smb2_request_error_ex: smbd_smb2_request_error_ex: idx[5]
>>  status[NT_STATUS_FILE_CLOSED] || at ../../source3/smbd/smb2_server.c:2635
>> [2020/04/23 14:03:17.523861,  3]
>> ../../source3/smbd/smb2_server.c:3274(smbd_smb2_request_error_ex)
>>  smbd_smb2_request_error_ex: smbd_smb2_request_error_ex: idx[1]
>>  status[NT_STATUS_SHARING_VIOLATION] || at ../../source3/smbd/smb2_create.c:334
>> [2020/04/23 14:03:17.525350,  3]
>> ../../source3/smbd/smb2_server.c:3274(smbd_smb2_request_error_ex)
>>  smbd_smb2_request_error_ex: smbd_smb2_request_error_ex: idx[1]
>>  status[NT_STATUS_SHARING_VIOLATION] || at ../../source3/smbd/smb2_create.c:334
>>
>> Rich
>>
>>> Sorry it defaulted to sending direct to you - here it is to the list.
>>>
>>>> OS is CentOS 8
>>>>
>>>> I was thinking about the possibility of using the version in the base repo for
>>>> the file server since I don't need ADDC for the file server.  I just need the
>>>> ability to join.
>>>>
>>>> Here is my configure command that I used to configure the source:
>>>>
>>>> ./configure \
>>>> --disable-cups \
>>>> --without-ldb-lmdb \
>>>> --prefix=/opt/samba \
>>>> --sysconfdir=/etc/samba \
>>>> --localstatedir=/var \
>>>> --with-lockdir=/var/lib/samba/lock \
>>>> --with-piddir=/run/samba \
>>>> --with-systemd \
>>>> --systemd-install-services \
>>>> --with-logfilebase=/var/log/samba
>>>>
>>>> Nothing really outstanding...
>>>>
>>>> Thanks,
>>>> Rich
>>>>
>>>> ----- On Apr 23, 2020, at 1:33 PM, samba samba at lists.samba.org wrote:
>>>>
>>>>> On 23/04/2020 17:58, Rich Webb via samba wrote:
>>>>>> Hello,
>>>>>>
>>>>>> I'm running Samba 4.12.1 both as a domain controller on one box (DC1) and as a
>>>>>> joined member on another box for a file server (FS1).
>>>>>>
>>>>>> I have three shares on FS1 and intermittently I am getting a message that says
>>>>>> "\\fs1\shared is not accessible. You might not have permissions to use this
>>>>>> network resource. Contact the administrator of this server to find out if you
>>>>>> have access permissions. The process cannot access the file because it is being
>>>>>> used by another process."
>>>>>>
>>>>>> Now when this is happening on one share it might not be on one of the other 
>>>>>> two.
>>>>>> Sometimes it happens on all of them. This morning I copied a file over to
>>>>>> shared and the copy completed but the window didn't update and the file did not
>>>>>> show up so I went to refresh the screen and got the error. If I wait long
>>>>>> enough or go back and forth between different shares it will again become
>>>>>> accessible but when I go to FS1 and restart the smb service I can again access
>>>>>> it. It is happening very frequently. Almost every time I want to use the server
>>>>>> for something.
>>>>>>
>>>>>> Both of these installs were built from source. If you need the configure
>>>>>> commands I used I can provide that as well.
>>>>> Yes please ;-)
>>>>>
>>>>> There is nothing really wrong with your smb.conf files, except I would
>>>>> remove the 'winbind enum' lines from FS1, all they really do is to slow
>>>>> things down. I would also add 'winbind refresh tickets = Yes' to FS1.
>>>>>
>>>>> After this, you may have to raise the log level on FS1 to see if
>>>>> anything pops out.
>>>>>
>>>>> What OS is this ?
>>>>>
>>>>> Rowland
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
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