[mythtv-users] Warning before upgrading

Ron Garrison ron.garrison at gmail.com
Mon Nov 2 22:33:13 UTC 2009

On Mon, Nov 2, 2009 at 1:07 PM, Michael T. Dean <mtdean at thirdcontact.com> wrote:
>  e) If at all possible, do not change MythTV system host names (to keep the
> upgrade as simple as possible)
> If you change hostnames on a MythTV system, it is critical that you update
> all the data in the database to change the old hostname to the new hostname
> so recordings, settings, keybindings, jumppoints, and /much/ more are
> properly found for the host.  Doing so is not straightforward--do /not/ do
> so manually through SQL.  Instead, use the restore script to change the
> hostname (
> http://www.mythtv.org/wiki/Database_Backup_and_Restore#Change_the_hostname_of_a_MythTV_frontend_or_backend
> ).  However, it is critical that you change the hostname after restoring the
> database but /before/ running any mythtv applications
> (mythfrontend/mythbackend/mythtv-setup) on the host with the new hostname.
>  If you forget to do so, changing the hostname becomes /much/ more
> difficult--to the point that restoring your pre-upgrade backup and doing the
> upgrade properly, and using the script to change the hostname, is the
> easiest solution.

I inadvertantly did this when I created a new system then imported a
couple of tables from my old system.  Suprisingly I've noticed no
negative effects but I will go through and attempt to straighten it
out anyhow.  Thanks for the heads up.


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