[Samba] After upgrade samba 4.16 -> 4.18, unable to access cifs-shares exported from a netapp-server

[thom_schu at gmx.de]

>> https://bugzilla.samba.org/show_bug.cgi?id=15240
 
Thanks very much ! This was the reason/solution.
 
We had to upgrade the netapp from Data OnTap 9.11.1P3 to 9.12.1P3
and set the netapp-attribute  "AES session key enabled for NetLogon channel"
to "true".
Now CIFS works fine with samba 4.18.3
 
 

Gesendet: Donnerstag, 08. Juni 2023 um 11:59 Uhr
Von: "Rowland Penny via samba" <samba at lists.samba.org>
An: samba at lists.samba.org
Cc: "Rowland Penny" <rpenny at samba.org>
Betreff: Re: [Samba] After upgrade samba 4.16 -> 4.18, unable to access cifs-shares exported from a netapp-server

On 08/06/2023 10:53, Rowland Penny via samba wrote:
>
>
> On 08/06/2023 10:36, gizmo via samba wrote:
>>
>> Hallo,
>> yesterday we made an upgrade from samba 4.16 to 4.18 (ubuntu 22.04 +
>> sernet).
>> After the upgrade, all CIFS-Shares exported from our NetApp couldn't
>> be accessed anymore neither from windows
>> nor from linux.
>
> Your NetApp doesn't 'export' anything, it (like every other NAS) just
> supplies shares that other clients can connect to, it is a server
>>
>> The NetApp-Server reported the following errors:
>>
>> secd.netlogon.noServers: None of the Netlogon servers configured for
>> Vserver (svm) are currently accessible via the network
>> secd.ldap.noServers: None of the LDAP servers configured for Vserver
>> (svm) are currently accessible via the network
>> secd.lsa.noServers: None of the LSA servers configured for Vserver
>> (svm) are currently accessible via the network
>>
>> It's like the NetApp-server were not able anymore to connect to the
>> samba4-server
>
> It certainly looks that way.
>
>>
>> Because the CIFS-shares are essential, we had to act fast and went
>> back to samba 4.16 from the backup.
>> Then everything worked fine again.
>
> It certainly looks like the upgrade changed something that your NetApp
> didn't like.
>
>>
>> Is there any change in samba 4.17 or 4.18 that can cause this behave ?
>> I read the changelog, but couldn't find anything (with my minimal
>> understanding)
>
> Like you, I cannot see anything relevant.
>
> Does your NetApp run vanilla Samba or its own version ?
> What is the smb.conf on the upgraded machine, which I presume wasn't
> changed during the upgrade.
>
> Rowland
>
>

I take it back, read this:

https://bugzilla.samba.org/show_bug.cgi?id=15240[https://bugzilla.samba.org/show_bug.cgi?id=15240]

Rowland

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