[Samba] DNS and DC replication clarification
mirceahusz at yahoo.com
Mon Mar 6 17:22:01 UTC 2017
That's straightforward enough. Thank you Rowland.
On Monday, March 6, 2017 11:05 AM, Rowland Penny via samba <samba at lists.samba.org> wrote:
On Mon, 6 Mar 2017 16:30:48 +0000 (UTC)
Mircea Husz via samba <samba at lists.samba.org> wrote:
> I configured two DCs (Samba version 4.5.5) replicating ad.corp.com in
> two sites (
> Following 'DNS configuration on Domain Controllers' section from this
> If I configure nameserver DC1 to be the first resolver for DC2,
> samba_dnsupdate --verbose --all-names fails with '
> tkey query failed: GSSAPI error: Major = Unspecified GSS failure.
> Minor code may provide more information, Minor = Server not found in
> Kerberos database.'
> The failure makes sense because each DC has keys only for itself in
> dns.keytab, as shown by 'klist
> -k /usr/local/samba/private/dns.keytab'. It makes no sense
> functionally for one DC to update another's DNS directly.
> Seems to me the failure from 'samba_dnsupdate --verbose --all-names'
> can be ignored when another DC's nameserver is listed first. Unless
> I'm missing something ?
This is all down to the mythical 'islanding' problem. I personally
think that each DC should use its own ipaddress as the first nameserver
in /etc/resolv.conf and another DC as the second.
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