[Samba] Unable to manage dns (ERR_DNS_ERROR_DS_UNAVAILABLE)

[Rowland Penny]

On 14/06/15 23:28, Peter Beck wrote:
> what I've also recognized:
>
> on a pure Samba4 domain (2 domain controllers) there is the directory
> /var/lib/private/samba/dns with a "sam.ldb" file and a subdirectory
> "sam.ldb.d" containing all zones as ldb files:
>
> [root at unxads002 ~]# ls -lh /var/lib/samba/private/dns/sam.ldb.d/
> -rw-r----- 1 root root 7.4M Aug  4  2014 CN=CONFIGURATION,DC=DOMAIN,DC=LOCAL.ldb
> -rw-r----- 1 root root 7.8M Aug  4  2014 CN=SCHEMA,CN=CONFIGURATION,DC=DOMAIN,DC=LOCAL.ldb
> -rw-r----- 1 root root 676K Aug  4  2014 DC=DOMAINDNSZONES,DC=DOMAIN,DC=LOCAL.ldb
> -rw-r----- 1 root root 3.0M Aug  4  2014 DC=FORESTDNSZONES,DC=DOMAIN,DC=LOCAL.ldb
> -rw-r----- 1 root root  52K Aug  4  2014 DC=DOMAIN,DC=LOCAL.ldb
> -rw-rw---- 2 root bind 412K Jun 14 20:06 metadata.tdb
>
>
> The sam.ldb file contains one single record:
>
> # editing 1 records
> # record 1
> dn: DC=domain,DC=local
> instanceType: 5
> objectClass: top
> objectClass: domaindns
> objectGUID: ffc42d7d-2d34-486d-ab9b-0741871ca1d9
> objectSid: S-1-5-21-2026243258-1306757702-3697109298
> distinguishedName: DC=domain,DC=local
>
>
> This directory is completely missing on the Samba dc which was added to
> the Server 2003 domain.
>
> How can I get this files ? Can I manually force the creation ? Sounds to
> me like this could be the problem ?
>
> Regards
> Peter

Are you sure anything is missing ?

try: ldbedit -e nano -H /var/lib/samba/private/sam.ldb --cross-ncs

the sam.ldb file does contain everything, but you cannot see everything 
normally, what ever you do, *do not* edit the files in the sam.ldb.d 
directory.

Rowland