NMBD process crashing

[King Andrew J]

Andrew King
Snet NT/VMS Systems Administrator (FRN)
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>-----Original Message-----
>From: samba-vms-bounces+ajking=dstl.gov.uk at lists.samba.org 
>[mailto:samba-vms-bounces+ajking=dstl.gov.uk at lists.samba.org] 
>On Behalf Of Albrecht Schlosser
>Sent: 01 March 2007 1:48 pm
>To: samba-vms at lists.samba.org
>Subject: Re: NMBD process crashing
>
>King Andrew J wrote:
>> Can anyone help/explain why the NMBD process on my VMS server is 
>> crashing, I will explain.
>> 
>> VMS 7.3-2, with TCP 5.4 on Alpha ES47 7/1150 SAMBA 2.2.8
>
>There are (or have been) multiple releases of Samba 2.2.8 on 
>http://www.pi-net.dyndns.org/anonymous/jyc/
>
>Which one are you using.

This there an easy way to find out?

>
>> I have had this issue ever since Samba was installed and have 
>> implemented a fix of Stopping and Restarting the whole of 
>Samba over a 
>> weekend to get round the issue.  I saw an article about the NMBD 
>> process crashing and the only answer at that time was as I 
>have already done.
>
>at which time ?

Back late 2005 or early 2006?

>
>> The situation appears to be that NMBD process starts up as 
>normal when 
>> the server is booted or rebooted and runs quite happy for a 
>period of 
>> time.  The NMBD process then appears to crash and I am 
>unable to find 
>> any files or logs that can help with diagnosing why.  I then 
>manually 
>> start up the whole of Samba to get the NMBD process up and running.
>
>I'm not aware of a crash, but I know that NMBD had problems 
>with some system resources, acquiring too many locks without 
>releasing, or other resources.
>You should at least have the newest release of Aug. 17, 2005:
>
>http://www.pi-net.dyndns.org/anonymous/jyc/samba-2_2_8-src-20050817.zip
>
>and related files.
>
>However, I just looked on our system and saw that the lock 
>problem does still exist.
>
>Please have a look at $ monitor lock, and see if you have 
>increasing lock counts. If you have, then you should kill the 
>NMBD process, and watch the lock display. This is what I found 
>(only the "Total" parts shown):
>

With no SMBD
Total locks 2516
Total resources 1997

With 1 SMBD
Toal locks 3366
Total resources 2813

>
>NMBD (and about 10 SMBD processes) still running:
>-------------------------------------------------
>
>                             OpenVMS Monitor Utility
>                            LOCK MANAGEMENT STATISTICS
>                              1-MAR-2007 14:18:53.75
>
>                                        CUR        AVE        
>MIN        MAX
>
>     Total Locks                   33062.00   33204.17   
>33062.00   33250.00
>     Total Resources                7895.00    8064.25    
>7895.00    8115.00
>
>
>
>After killing all NMBD and SMBD processes:
>------------------------------------------
>
>                             OpenVMS Monitor Utility
>                            LOCK MANAGEMENT STATISTICS
>                              1-MAR-2007 14:20:29.78
>
>                                        CUR        AVE        
>MIN        MAX
>
>     Total Locks                    3103.00   32205.18    
>3103.00   33250.00
>     Total Resources                3034.00    7832.76    
>3034.00    8115.00
>
>
>Some time later:
>----------------
>                             OpenVMS Monitor Utility
>                            LOCK MANAGEMENT STATISTICS
>                                  on node ALPHA1
>                              1-MAR-2007 14:45:12.12
>
>                                        CUR        AVE        
>MIN        MAX
>     Total Locks                    5426.00   12465.34    
>3101.00   33250.00
>     Total Resources                3123.00    4528.05    
>3032.00    8115.00
>
>
>
>I didn't investigate further, but it seems that this could 
>also be your problem.
>
>Any ideas, anybody? JYC ?
>
>Albrecht
>
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