[Samba] Not enough storage space error

Anantha Raghava raghav at exzatechconsulting.com
Fri Aug 4 01:04:38 UTC 2017

Hello Andrew,

 From the day one, we set the log level to 3. Log size is really huge. 
However, I did not see some thing very interesting and related to this 
error. It is all to do with user login, information, etc. Should I have 
to increase the log level to get more info?

One thing we noticed. When we restart the samba-ad-dc service, it allows 
us to add new users, add new computers to domain, and even move the user 
from one OU to another. However, from last two days, at around evening 
(around 4:45 PM), samba all of a sudden cuts off all users from domain 
and even fails to list the domain controllers in RSAT. If we restart 
samba-ad-dc, it starts working properly.

Now we need to see, what is that event that is causing this cut off all 
of a sudden? Is it a shear coincidence? Or is it something to do with 
the large number of PCs are now getting added from different places? 
Incidentally, we use the same domain admin account (limited 
administrator) to add PCs to domain. Is this causing some problem?


Thanks & Regards,

Anantha Raghava

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On 03/08/17 8:09 AM, Andrew Bartlett wrote:
> On Wed, 2017-08-02 at 21:09 +0530, Anantha Raghava via samba wrote:
>> Hi,
>> We are using Samba AD DC (Version 4.6.5) on CentOS 7.3. We have two
>> servers with BIND9 DNS and all are working just fine.
>> Today, when we attempted to move couple of users from one OU to
>> another,
>> Windows RSAT reported /*"Windows cannot move object. Ther*//*e
>> *//*is
>> not enough storage space*//*"*/.
> I wouldn't take the error string literally.  There are too many layers
> of mapping going on.  LDAP does not contain such an error, so think of
> it as a bad translation.
>> Our servers have 300 GB Storage more
>> that 270GB is free on the storage. At the moment we have added about
>> 1000 users and about 450 computers into domain. Overall, we will add
>> about 7500 users and equal no of computers to domain. I also noticed
>> that RSAT lost the connection to domain all of a sudden. However,
>> when I
>> restarted the samba-ad-dc service, it reconnected. I am able to add
>> new
>> computers and new users into domain. But moving the user from one OU
>> to
>> another is throwing above error.
>> I believe the DB is a 32 bit one and should support upto 4 GB. When
>> I
>> checked in /usr/local/samba/private folder the size of smb.ldb file
>> is
>> about 4.1 MB and rest of the ldb and tdb files are around 1 MB in
>> size.
>> Now, how do I correctly check the current DB size? Is the above error
>> a
>> strange behaviour? How do we fix the above error?
> Turn up the logging on the AD DC and see what the real error and error
> string is.
> Thanks,
> Andrew Bartlett

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