[mythtv-users] ugraded to 0.29, cannot connect to backend

[Greg Woods]

On Fri, May 25, 2018 at 3:51 PM Bill Meek <keemllib at gmail.com> wrote:

>
> I'd try these for the record:
>
>      SELECT * FROM settings WHERE value IN ('MasterServerName',
> 'MasterServerIP', 'BackendServerIP', 'BackendServerIP6');
>
>      grep -i <whateverMasterServerNameIsReturned> /etc/hosts (or any other
> place where names are resolved)
>

This is what I see:


+------------------+--------------+----------------------------+
>
> | value            | data         | hostname                   |
>
> +------------------+--------------+----------------------------+
>
> | BackendServerIP  | 127.0.0.1    | anathem.gregandeva.net     |
>
> | BackendServerIP  | 127.0.0.1    | delenn.gregandeva.net      |
>
> | BackendServerIP  | 127.0.0.1    | elric.gregandeva.net       |
>
> | BackendServerIP  | 127.0.0.1    | infohigh                   |
>
> | BackendServerIP  | 127.0.0.1    | infohigh.gregandeva.net    |
>
> | BackendServerIP  | 127.0.0.1    | localhost                  |
>
> | BackendServerIP  | 192.168.1.33 | mongoliad.gregandeva.net   |
>
> | BackendServerIP  | 127.0.0.1    | odalisque                  |
>
> | BackendServerIP  | 127.0.0.1    | quicksilver                |
>
> | BackendServerIP  | 192.168.1.10 | quicksilver.gregandeva.net |
>
> | BackendServerIP  | 127.0.0.1    | seveneves                  |
>
> | BackendServerIP6 | ::1          | anathem.gregandeva.net     |
>
> | BackendServerIP6 | ::1          | delenn.gregandeva.net      |
>
> | BackendServerIP6 | ::1          | elric.gregandeva.net       |
>
> | BackendServerIP6 | ::1          | infohigh                   |
>
> | BackendServerIP6 | ::1          | infohigh.gregandeva.net    |
>
> | BackendServerIP6 | ::1          | localhost                  |
>
> | BackendServerIP6 | ::1          | mongoliad                  |
>
> | BackendServerIP6 | ::1          | mongoliad.gregandeva.net   |
>
> | BackendServerIP6 | ::1          | odalisque                  |
>
> | BackendServerIP6 | ::1          | quicksilver                |
>
> | BackendServerIP6 | ::1          | quicksilver.gregandeva.net |
>
> | BackendServerIP6 | ::1          | seveneves                  |
>
> | MasterServerIP   | 192.168.1.33 | NULL                       |
>
> +------------------+--------------+----------------------------+
>
>
>
192.168.1.33 mongoliad.gregandeva.net is the actual backend machine. The
other entries in there are for current or former frontend systems. I
obviously can't grep for "NULL". I tried changing this line so that the
MasterServerIP hostname is set to "mongoliad.gregandeva.net", but no joy;
it is still starting as a slave backend.
I looked in /etc/hosts and the only uncommented entry there is  "127.0.0.1
 localhost localhost.localdomain localhost4 localhost4.localdomain4"



> Did you run mythtv-setup as mentioned at the end of the thread:
>
>      http://lists.mythtv.org/pipermail/mythtv-users/2018-May/396286.html


OK, that one is my bad. It looks like Gmail doesn't include the last
message in the conversation (because it has a modified subject?), so I
didn't see that one.

In that message, it is suggested to run mythtv-setup as the mythtv user,
which is what I always do anyway. I have been burned by this one before.
When I do this, I see that the "this server is master backend" button is
checked, and the host name is set to "mongoliad.gregandeva.net".

I executed the SQL command "insert into settings (value, data, hostname)
values('IPv6Support', 0, NULL):",
but that didn't change anything either. It still starts as  a slave backend
and then complains about the protocol mismatch:

2018-05-25 16:22:39.872138 C [15160/15238] ProcessRequest
mainserver.cpp:1614 (HandleVersion) - MainServer: MainServer::HandleVersion
- Client speaks protocol version 88 but we speak 91!

--Greg
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