[mythtv-users] DTV Transition

Allen Edwards allen.p.edwards at gmail.com
Thu Jun 11 20:59:38 UTC 2009

On Thu, Jun 11, 2009 at 12:03 PM, Michael T. Dean
<mtdean at thirdcontact.com>wrote:

> On 06/11/2009 02:25 PM, Allen Edwards wrote:
>> Could the first person to successfully do this Saturday please write down
>> what works.  I have asked this before and getting, try this and if it
>> doesn't work try this....  drives me nuts.  I followed the thread referenced
>> above
> I'm assuming you mean:
> http://www.gossamer-threads.com/lists/mythtv/users/264034#264034
>  and by the time I followed all the links, I was in an analog scan howto.
> Do you mean http://www.mythtv.org/wiki/Frontend_Channel_Editor ?  If so,
> that is /not/ an analog scan howto (QAM-256 and QAM-64 are by definition
> digital).  I did, however, add explicit mention of OTA ATSC so that people
> who see cable and think it doesn't apply (though the process is identical
> for both) know that it does apply.
>   This is digital off the air we are talking about.  Cable users do not
>> need to re-scan.
>> Lots of people are going to be doing this in a couple of days so if some
>> kind user would document if for everyone else you would make a lot of people
>> happy.
> I know /exactly/ how I'm doing my rescan...  Backup DB (
> http://www.mythtv.org/wiki/Database_Backup_and_Restore ) /and/ backup
> xmltvid's (
> http://www.mythtv.org/wiki/Database_Backup_and_Restore#Backup_xmltvid_data_.28before_doing_a_full_channel_scan.29), delete all video sources (
> http://www.gossamer-threads.com/lists/mythtv/users/264034#264034 ), create
> video source, connect input to most-preferred card, do a full channel scan,
> connect inputs to other cards in the order of preferred usage, restore
> xmltvids (
> http://www.mythtv.org/wiki/Database_Backup_and_Restore#Restore_xmltvids_after_a_channel_scan).  Then, after 10 minutes of effort (5-7 of which are waiting for the
> channel scan to complete and 1 of which is waiting for the database backup
> (50-seconds of which is waiting for the CPU to gzip it)), I'll be back up
> and running as if nothing changed.
> I also know that this approach works great--I've done it 10's of times and
> it has worked every single time.
> Mike
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Perfect!  Thanks for saving us all a lot of trouble.

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