[mythtv-users] MythTV backup

jedi jedi at mishnet.org
Wed Apr 2 15:01:59 UTC 2008


On Thu, Apr 03, 2008 at 01:38:58AM +1100, David Segall wrote:
> 
> 
> John Drescher wrote:
> > On Wed, Apr 2, 2008 at 9:57 AM, David Segall <david at segall.net> wrote:
> >> Yesterday I thought I might have lost all my MythTV data. Fortunately,
> >>  the fix was simple but it made me wonder how I could protect my set up
> >>  from catastrophic failure.
> >>
> >>  Operating a redundant fall back computer seems like overkill for this
> >>  application but I don't see any other solution to ensuring that MythTV
> >>  satisfies the SOAF [1] factor.
> >>
> >>  How do you ensure that your fried MythTV can be restored in time for the
> >>  nightly news and you have not lost the latest episode of the unmissable
> >>  series that screened last night when you were out?
> >>
> > I have the os disks on raid 5 (although I am eventually going to
> > remove that so I can spin down the disks to save power). And I have a
> > cron job that makes a backup of the mysql database each night to yet
> > another disk (not part of the raid). Every once and a while I email
> > myself that file to my 6.5GB gmail account.
> So what happens if your motherboard is fried by a power supply failure 
> which was my fear yesterday? I thought that the disk drives would 
> probably be OK but I knew that I could not find an exact replacement for 
>   the motherboard and I feared that I would need to do a complete 
> reinstall of the OS. I was not confidant that a reinstall could preserve 
> the existing data. I also needed to provide a TV set to watch tonight's 

...well, this is why you need to setup the disks so that your data is
segregated from the OS. As long as you've done that then you can 
re-install the OS repeatedly and you'll be fine.

   You just need to know where to mount everything again afterwards.


> TV programs.
> -- 
> David
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