[mythtv-users] MythTV Disaster Recovery

John Welch jrw3319 at gmail.com
Tue Nov 17 01:03:45 UTC 2009

I'm almost embarrassed to post this because of some stupidity on my part but
here goes... Over the weekend I experienced a somewhat sudden and what looks
to be an unrecoverable hard drive crash on my boot / root drive on my MythTV
back-end system.  I had a fairly recent database back-up from when I
upgraded my system from 0.21 to 0.22 but unfortunately (and foolishly) I
left the backup not only on the back-end system, but also on the root drive
that crashed.  I dug around my other systems and I did manage to find a
previous database backup from earlier in the year when I did a hardware
upgrade.  Fortunately (I hope) I did not lose any of my active recordings
because they were being saved to either another local drive or an NFS mount
on my NAS server.

So, now I am trying to figure out how to proceed.  My first question is is
it worth it to even attempt to use the database backup from earlier in the
year?  The biggest thing I dread is re-setting up my channel lineups.  I
haven't done much with the channel setup since 0.20 / early 0.21 days, but I
remember it to be a fairly time-consuming, very much manual process.  Have
things improved in this area so that it would now be a trivial / painless
process?  I'm particularly interested in QAM channel scanning for the HDHR
and pcHD3000 tuners.

Second, once I have MythTV set-up again is there any way for me to get the
recordings that I still have back into the database?  I did a search of the
mailing list archives and came up with a few older hits mentioning the
myth.rebuilddatabase.pl script, but at least one reply seemed to indicate
that it didn't really update the database.

Any help with these questions and/or any other constructive suggestions
would be appreciated.

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