[mythtv-users] Multi-Year Installation Major Disk Corruption - Answer Needed Quickly

[Douglas Wagner]

Upgrade is FINE!!!  I'm MORE than happy with that answer.  So I assume my
process is to bring up the OS (14.04), dump the Mythconverge database
(installed by default) and then restore it from the backup I have?

--Doug

On Wed, Feb 4, 2015 at 8:00 PM, Anthony Giggins <seven at seven.dorksville.net>
wrote:

>
>
> On 5 February 2015 at 11:39, Douglas Wagner <douglasw0 at gmail.com> wrote:
>
>> Manger's Summary:
>> =================
>> Mythbuntu 12.04 Installation,
>> Operating System / OS Disk Massively Corrupted
>> MythTV Database Corrupted
>> TV/Recorded files fine.
>> Do have a SQL Export Backup from the 21st.
>>
>> What's my best option of getting a mythtv installation back up in the air
>> on a new OS disk and re-importing the database backup?
>>
>> Can I install Mythbuntu 14.04 and do it (the export is from 12.04) or
>> should I reinstall 12.04 and them Release-Upgrade to 14.04?
>>
>> This is a work in progress (I'm replacing the HD as I type) so any fast
>> answers would be DEEPLY appreciated.
>>
>>
>> The Story
>> ==================
>> So as the title suggests I've got a 5+ year Mythtv installation (been
>> through quite a few upgrades since initial installation).  As of yesterday
>> I found the database not booting and stupidly decided an upgrade would fix
>> that (always has in the past).  To make a long story short the patch
>> upgrade failed massively so I decided to try a distro upgrade (it was 3 in
>> the morning, I was sick, give me a break :) ) and that's about when I
>> figured out my OS disk is very quickly dying.  Hafl the packages downloaded
>> onto a corrupted part of the disk and couldn't be un-compressed, half my
>> log files are unreadable, oh yea, and my Mythtv database files are corrupt
>> (which is what was causing the MySQL installation not to boot in the first
>> place)...and my last good Database backup is from almost 2 weeks ago, etc.
>> (Thank God I could find one at least semi-recent backup / export that did
>> unzip ok).
>>
>> So just to make sure I'm nice and clear, I'm part way through an upgrade
>> from Mythbuntu 12.04 -> Mythbuntu 14.04 and I'm not going to get any
>> farther.
>>
>> This thing is toast.  To be fair to myself, I wasn't going to be able to
>> save this install, and the MythTV Database was already destroyed prior to
>> me even trying to upgrade/patch the box, so I really haven't made anything
>> much worse than it already was.
>>
>> I'm sitting here with a new OS disk I'm about to install, I realize I'm
>> going to have to build this back up from laying down the OS.  My question
>> is about database recovery.
>>
>> Since I'm still on 12.04's version of MythTV (.26 I think), can I install
>> Mythbuntu 14.04 (Mythtv .27? I think), and import the database or are there
>> major database changes between 26 and 27 that require me to install12.04,
>> Import the DB to there, then release-upgrade to 14.04?
>>
>> The more generic question is:  What's the best way to recover a database
>> backup on some midline version of .26 Mythtv?
>>
>> I've got (I think) all the uncorrupted actual recordings, I just need to
>> get the database back installed so that I can read those recordings
>> again.   I'll have to figure out how to re-import anything I've got files
>> for but the DB doesn't know about since the 21st, but that's a much less
>> important problem right now.
>>
>> HELP?  Advise?
>>
>> --Doug
>>
>>
>> The only reason you'd install 12.04 is if you were on 0.26 and want to
> stay on 0.26 (although 0.27 & 0.28 is also supported on 12.04)
>
> as per http://www.mythbuntu.org/repos
>
> If you install 14.04 you'll be able to restore your 0.26 database but it
> will get upgraded to 0.27
>
> Cheers,
>
> Anthony
>
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