[mythtv-users] MythTV Disaster Recovery
Ian Barton
lists at manor-farm.org
Tue Nov 17 07:13:41 UTC 2009
John Welch wrote:
> 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.
>
Just a thought, but have you tried booting from a Live CD and trying to
mount the crashed disk. You may be able to read /var/lib/mysql.
Ian.
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