[mythtv-users] One remote frontend can access Artwork, the other can't.

Sun Apr 17 20:09:36 UTC 2016

On 17/04/2016 21:03, Hika van den Hoven wrote:
> Hoi Damian,
>
> Sunday, April 17, 2016, 9:51:04 PM, you wrote:
>
>> On 17/04/2016 20:02, HP-mini wrote:
>>> On Sun, 2016-04-17 at 14:21 +0100, Damian wrote:
>>>> On 17/04/2016 09:19, Damian wrote:
>>>>> On 16/04/2016 20:56, HP-mini wrote:
>>>>>> On Sat, 2016-04-16 at 20:17 +0100, Damian wrote:
>>>>>>> On 16/04/2016 17:58, Damian wrote:
>>>>>>>> On 16/04/2016 09:37, Mike Perkins wrote:
>>>>>>>>> On 16/04/16 01:11, Damian wrote:
>>>>>> <snip>
>>>>>>>> Also, I can access files on the server from both machines using
>>>>>>>> nautilus.
>>>>>>>>
>>>>>>>> What's going on???
>>>>>>>>
>>>>>>>> Damian
>>>>>>> Update: Some (strange) success.
>>>>>>>
>>>>>>> On the frontend, I noticed in ...
>>>>>>> Setup > Media Settings > Video Settings > General Settings
>>>>>>> ... that the top line, relating to videos, was empty. The rest of the
>>>>>>> lines were filled in with /home/tv/.mythtv/Video/xxxxxx locations.
>>>>>>> I decided to try emptying all of these lines, like the top line, in the
>>>>>>> hope that it would look to the sever, instead of 'home'.
>>>>>>>
>>>>>>> And it worked! ... Mostly.
>>>>>>>
>>>>>>> I can now see artwork etc, which is great. However, it's not using the
>>>>>>> 'folder.jpg' images as the image for each folder. It's using an image
>>>>>>> from one of the files within the folder instead. This is ok for now
>>>>>>> (I'm
>>>>>>> much closer to where I want to be), but I'd still like to get to the
>>>>>>> bottom of what's going on.
>>>>>>>
>>>>>>> The other frontend is working absolutely fine, and that still has
>>>>>>> all of
>>>>>>> those /home/tv/.mythtv/Video/xxxxxx lines in "Setup > Media Settings >
>>>>>>> Video Settings > General Settings"
>>>>>>>
>>>>>>> Does this progress point to the source of the problem?
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Damian
>>>>>>> _______________________________________________
>>>>>> As you have nautilus access to backend storage we assume you have
>>>>>> shares..
>>>>>> It is (supposed to be) very bad to have the frontend mythvideo
>>>>>> (optional) paths overlapping with the backend storage.
>>>>>> You can still have private folder for each local frontend.
>>>>>>
>>>>>> Do you have some NFS/samba share that causes this overlap?
>>>>>> Maybe your share translates some filenames or only has partial overlap.
>>>>> Life's too short for this one :-)
>>>>>
>>>>> I've already spent more time on it than it would take me to wipe the
>>>>> frontend and start again from scratch. I think I'll do that and hope
>>>>> that whatever screwed up doesn't go wrong again.
>>>>>
>>>>> Thanks for trying everyone,
>>>>> Damian
>>>> It gets stranger ...
>>>>
>>>> I just did a completely clean install of Xubuntu 15.10 on the frontend
>>>> that I was having problems with.
>>>>
>>>> Added Mythbuntu. And, guess what. Everything is EXACTLY the same as it
>>>> 'last' was. Even down to those "Setup > Media Settings > Video Settings
>>>>    > General Settings" lines all being blank, rather than the default ones
>>>> (what were 'initially' line the other frontend).
>>>>
>>>> As first, I thought that I couldn't have wiped the OS, but I definitely
>>>> did. Clean OS. Clean Mythbuntu on top. This means than those settings
>>>> are stored in the backend somewhere.
>>>>
>>>> So, I'm also guessing that whatever is causing the problem is also in
>>>> the backend?
>>>>
>>>> It's not much of a problem any more, so I guess I'll just leave things
>>>> as they are. I just don't understand ..
>>>> a) Why aren't the the 'folder.jpg' images in the directories on the
>>>> backend being used for the folder art (as they are on the other
>>>> backends) and
>>>> b) Why did I need to empty those "Setup > Media Settings > Video
>>>> Settings > General Settings" lines when the other frontends work fine
>>>> with them.
>>>> c) Do these issues point to a bigger problem that I don't understand?
>>>>
>>>> Any clues? Please let me know.
>>>>
>>>> Thanks,
>>>> Damian
>>>> _______________________________________________
>>> Less time to wipe & reinstall.. maybe. But then you don't ever find root
>>> cause.
>> I agree. Even though I've been using MythTV for year now, I've learned
>> loads from formatting my 3 machines and starting from scratch with them.
>> The reason for that was that my server was playing up in a couple of
>> different ways (outside of Myth). I hadn't been able to get to the
>> bottom of it in 6 months of on and off trying. Starting from scratch
>> sorted it all out.
>
>> The 2 frontends do little more than act as frontends, so I thought that
>> I'd refresh them too. When one of them wasn't working right, and the
>> reason wasn't apparent, I thought I'd just wipe it and start again,
>
>>> The mythtv-system-wide video collection should be in a storage group
>>> that the BE can access.
>> Tick.
>> Both frontends can access it too. I have no problems playing content.
>>> The FE mythvideo setup path should not overlap the storage group, just
>>> point mythvideo at /home/"FE-user"/Videos.
>> Is this the line that was blank in the frontend? The top line in "Setup
>   >> Media Settings > Video Settings > General Settings"? It was blank in
>> both of my frontends. Should I make it /home/"FE-user"/Videos, even
>> though that location isn't used at all?
>>> But make sure there are no symlinks or samba/nfs shares in that location
>>> linking to any storage group.
>> No, I don't think there's a problem there.
>>> Do both your FEs have unique hostnames
>>> (/home/"FE-user"/.mythtv/config.xml) ?
>>> FE settings are stored in the dB using hostname.
>> Ah, maybe this is it?
>> The content of this file in both frontends is almost identical:
>
>> <Configuration>
>> <LocalHostName>my-unique-identifier-goes-here</LocalHostName>
>>     <Database>
>>       <PingHost>1</PingHost>
>>       <Host>192.168.0.2</Host>
>>       <UserName>mythtv</UserName>
>>       <Password>xxCorrectPasswordxx</Password>
>>       <DatabaseName>mythconverg</DatabaseName>
>>       <Port>3306</Port>
>>     </Database>
>>     <WakeOnLAN>
>>       <Enabled>0</Enabled>
>>       <SQLReconnectWaitTime>0</SQLReconnectWaitTime>
>>       <SQLConnectRetry>5</SQLConnectRetry>
>>       <Command>echo 'WOLsqlServerCommand not set'</Command>
>>     </WakeOnLAN>
>>     <UPnP>
>>       <UDN>
>> <MediaRenderer>xxxxxxxxxxxxxxxxxxxxxxxxxxxx</MediaRenderer>
>>       </UDN>
>>     </UPnP>
>> </Configuration>
>
>> The 'MediaRenderer' number is different on both. However, LocalHostName
>> is the same in both. It just says "my-unique-identifier-goes-here".
>
>> I've never changed this before. Do I have to manually put something
>> unique in here?
>
>> If so, do I then need to reconfigure something on the backend?
>
>> Thanks for helping HP-mini,
>> Damian
>> _______________________________________________
>
> If set that way, or better said not set that way, it will use the
> hostname. This value is used to link all settings in the database to
> this machine and I think that setting it through configure in the
> frontend sets this value. If you change it even slightly the
> connection to the settings in the database is lost and it falls back
> to the defaults.

Thanks for the quick reply Hika.

If I understand you correctly, if this default results in the machines 
hostname being used, then everything is fine isn't it?

Damian