[Samba] sssd problems after dc1 is no longer online

steve steve at steve-ss.com
Fri Jul 25 03:49:34 MDT 2014

On Fri, 2014-07-25 at 11:27 +0200, mourik jan heupink - merit wrote:
> Hi Rowland,
> >
> > I have removed a few lines for clarity, but it would seem that sssd
> > cannot bind to x.y.143.15 and it cannot find x.y.143.16.
> >
> > If you go further down in the log it shows that both servers are
> > offline, so I think before you go any further that these problems need
> > to be fixed.
> Yep, I saw those lines, but the servers are NOT offline: I can connect 
> to both them. However: the x.y.143.16 is a kvm virtual machine running 
> on the same host, so perhaps there are routing issues there, but the .15 
> can be reached for sure from that machine.
> And generally: I have posted a mail on 9:59 today on this list that when 
> using kinit and klist, things seem to work ok.
> > What is in /etc/krb5.conf and /etc/resolv.conf on the client ?
> root at epo:~# cat /etc/resolv.conf
> nameserver x.y.143.15
> nameserver x.y.143.16
> root at epo:~# cat /etc/krb5.conf
> [libdefaults]
> 	default_realm = SAMBA.COMPANY.COM
> 	dns_lookup_realm = true
> 	dns_lookup_kdc = true
> root at epo:~#
> I'm also in discussion with Stefan from sernet support, as it seems that 
> some dns entries for dc3 (x.y.143.16) are missing. Perhaps that explains 
> these issues as well. I guess that should be sorted first.
> However, given the fact that kinit/klist both work from this server, I'm 
> surprised that sssd doesn't work. Also the rest of our AD seems to work 
> perfectly, so there are no major issues.
> MJ
> >
> > Rowland
> >
>From the log snippets that Rowland posted, we know that sssd can't get
at the .16 server at least:
[sdap_async_sys_connect_done] (0x0020): connect failed [113][No route

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