[Samba] AD DCs and LDAP query 'stalls'...

[L.P.H. van Belle]

> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Marco Gaiarin via samba
> Verzonden: dinsdag 28 december 2021 15:47
> Aan: Rowland Penny via samba
> CC: samba at lists.samba.org
> Onderwerp: Re: [Samba] AD DCs and LDAP query 'stalls'...
> 
> Mandi! Rowland Penny via samba
>   In chel di` si favelave...
> 
> > It probably is something like a lack of wifi, but this will 
> also cause
> > the replication to break and the logs will fill with something that
> > basically says 'help, I cannot find a DC to replicate with' 
> which will eventually freeze the PC.
> 
> It is not 'wifi', but a private PtP wireless link, that 
> perform very well, when works. ;-)

Check MTU sizes and what is the firewall doing with DF bit's? 
I had a bad upstream router, that dropped my DF bits to no DF and that
cause lots or re-transmissing on my RDP links, just trowing in few ideas.. 

> 
> My logs are clean, my windows users does not complain about 
> performance or something like that, simply the LDAP query (with ldbsearch) 
> against one DC get slooooowwww...

Only on 1 DC ? 
samba-tool dbcheck --reindex   ;-) might help also, 
if you havent done that already. 



> 
> 
> I've followed your hint, lous, and added lockfile to some 
> scripts, to prevent double execution. Thanks!

Your welkom :-) 

Greetz, 

Louis