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

Sun Apr 17 20:23:30 UTC 2016

On 17/04/2016 21:19, Hika van den Hoven wrote:
> Hoi Damian,
>
> Sunday, April 17, 2016, 10:09:36 PM, you wrote:
>
>> 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
>> _______________________________________________
> It is for accessing the settings in the database. Your issue however
> does not seem to be there. However you can try starting the frontend
> with a different hostname and see if the artwork problem persists. If
> so you know for sure it is not related to the settings in the
> database.
How would I start the frontend with a different hostname? Simply by 
changing the <LocalHostName> line in config.xml?