[Samba] Re: Samba locking database errors : V 2.2.8 a on HP-UX 11i

[Eric Roseme]

HP-UX defaults nflocks at 200.  At the default, you will run out of 
locks at about 20 client connections.  You will need to bump nflocks and 
nfiles before trying to run at average usage levels.

Eric Roseme
Hewlett-Packard

Jérôme Fenal wrote:

> Foster, Ian (LogicaCMG) wrote:
>
>> We are in the process of commissioning a new HP server (on HP-UX 11i) 
>> and
>> have installed Samba which we have configured and used extensively 
>> before
>> without major problems (though not this version - 2.2.8.a). Samba ran OK
>> initially, but now we are getting failures with messages of 'smbd[pid]
>> Cannot initialize locking database' and 'no locks available' logged 
>> to the
>> syslog and no new connections can be established (can not even browse 
>> - get
>> message 'Network name could not be found'). This can only be cleared by
>> restarting the daemons.
>>
>> I have checked our smb.conf file with the testparm utility and this 
>> looks
>> ok, and checked the parameters (including the defaults) against the 
>> smb.conf
>> man page at samba.org in an attempt to identify any bad config. I 
>> have also
>> verified the obvious - that the lock directory exists and the 
>> permissions
>> are correct (if they didn't I guess it would fall over straight away).
>>
>> I have attached a dump of our global definitions for inspection.
>>
>> Has anybody any ideas what may be causing this ? I have checked the 
>> Samba
>> web pages without success.
>> Is there a bad locking option here - or some other samba / kernel 
>> threshold
>> we are hitting ?
>> If I can't resolve this the filestore is going to NT !
>>
>> Any help very gratefully recieved. 
>
>
> Hi,
>
> could you send the real smb.conf, since RTF encoded testparm output is 
> bit clumsy to read...?
>
> I read in the testparm dump that you are in 'security=server' mode. Do 
> you really need it? Does your server participate in a domain? 2.2.8a 
> can happily participate in a NT4 or an NT4 compat on ADS domain.
>
> And could you check with Sam the limits of the HP-UX kernel (number of 
> processes for the system, by user, max number of open files, etc.)?
>
> I'll check tomorrow on HP-UX server at work what kernel parameters 
> could  hit Samba.
>
> Could you also set 'log level=' to a bit more than 1 to see more 
> output in the logs? That would help.
>
> Regards,
>
> J.
>