[Samba] Lots of NMBD zombie processes
George Itee
george.itee at gmail.com
Sun Jul 20 08:43:34 MDT 2014
Hi Rowland,
This is the first time I am setting up a member server and since the
version with the AD backend from samba wiki does not work, I've found other
sources, thus the mistake in my smb.conf file (and a lack of better
understanding of the whole process!). I have chosen RID because getent
works, showing me the groups and users properly. The AD backend only worked
with wbinfo, not getent.
Anyway, I have made some modifications to the smb.conf, now it does not
list the local users anymore:
* idmap config *:backend = tdb
* idmap config *:range = 70001-80000
* idmap config BUH:backend = rid
* idmap config BUH:schema_mode = rfc2307
* idmap config BUH:range = 500-40000
I have removed base_rid, not sure if it's the right thing to do at the
moment. But still not sure what to do about nmbd, it's still "spawning"
zombies, like 5 processes in one hour and a half. Any other ideas? I have
left a log level 5 in smb.conf, perhaps I can catch something in the logs
George
On Sun, Jul 20, 2014 at 11:46 AM, Rowland Penny <rowlandpenny at googlemail.com
> wrote:
> On 20/07/14 09:16, George Itee wrote:
>
>> Hello,
>>
>> I am running a Samba 4 DC, recently upgraded to the latest version and I
>> have just installed a member server to run as a File Server (Samba 4.1.9).
>>
>> While it seems to be working properly, we are getting a lot of zombie nmbd
>> processes on the member server, running the command *pidof nmbd* results
>> in:
>>
>> *[root at BHFS01 etc]# pidof nmbd*
>> *12861 12644 12404 12236 12071 11885 11720 11553 11388 11201 11036 10869
>> 10704 10518 10353 10186 10020 9834 9669 9502 9337 9151 8985 8818 8653 8467
>> 8302 8135 7970 7783 7618 7234 7069 6878 6713 6545 6380 6189 6024 5857 5692
>> 5496 5330 5163 4998 4799 4633 4466 4300 4084 3858 3691 3526 3339 3174 3006
>> 2841 2655 2429 2149 1855 1505*
>>
>> Restarting the nmbd service fixes the problem, but the above processes are
>> what we get in a single day. I do not want to restart the service each
>> night to fix this, but I am not sure where the problem is either.
>>
>> My SMB.conf is the following:
>>
>> *[global]*
>>
>> * netbios name = BHFS01*
>> * workgroup = BUH*
>> * security = ADS*
>> * realm = SAMDOM*
>> * encrypt passwords = yes*
>> * vfs objects = acl_xattr full_audit*
>> * map acl inherit = yes*
>> * store dos attributes = yes*
>> * #log level = 3*
>>
>> * idmap config *:backend = tdb*
>> * idmap config *:range = 10001-20000*
>> * idmap config BUH:backend = rid*
>> * idmap config BUH:schema_mode = rfc2307*
>> * idmap config BUH:range = 10000-20000*
>> * idmap config BUH:base_rid = 0*
>>
>
> Well you could start by sorting out the idmap ranges, they are both
> virtually the same and shouldn't be, they must not overlap.
>
> Oh and change the base rid, as you have it, it will drag in all the local
> users.
>
> Rowland
>
>
>> * winbind nss info = rfc2307*
>> * winbind trusted domains only = no*
>> * winbind use default domain = yes*
>> * winbind enum users = yes*
>> * winbind enum groups = yes*
>> *...*
>> * full_audit:prefix = %u|%I|%S*
>> * full_audit:success = mkdir rename unlink rmdir pwrite*
>> * full_audit:failure = none*
>> * full_audit:facility = local7*
>> * full_audit:priority = NOTICE*
>>
>> *[Data]*
>> * path = /DataStorage/Data*
>> * read only = no*
>>
>> Like previously stated, I do not know where to further look to help
>> diagnose this problem. Any pointers are more than welcome :)
>>
>> Thank you!
>>
>> George
>>
>
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