[mythtv-users] Rebuild with new frontend and upgraded backend.

Mike Dent mcdent at gmail.com
Fri Nov 27 18:26:03 UTC 2009

2009/11/27 Michael T. Dean <mtdean at thirdcontact.com>:
> On 11/27/2009 06:48 AM, Mike Dent wrote:
>> 2009/11/27 Nick Morrott:
>>> 2009/11/26 Mike Dent:
>>>> So after some great advice and reading on this list I bought one of
>>>> the Linux Acer Revo  3610 Atom 330's. I bought a new 1TB disk for the
>>>> back end too.
>>>> I also want to add a dual USB tuner which I have bought.
>>>> I'm wondering what the best way to approach this is. Do I:-
>>>> a) Attempt to upgrade  the 8.04 backend to 8.10 to 9.04 and 9.10 then
>>>> install 9.10 on the Revo?
>>>> b) Attempt to backup the Myth database and files on the backend and do
>>>> a clean install of 9.10 on it, and install 9.10 on the Revo
>>>> c) Wipe the whole backend and install 9.10 and start fresh with 0.22 on
>>>> both
>>>> d) Something else?
>>>> If I go with a) I guess I will have to upgrade Myth as in b) anyway.
>>>> I've read about a few problems with the upgrade on the list, thats why
>>>> I wonder if I should
>>>> cut my losses and go for a fresh Myth install like c) ?
>>> How important is your recording history (and to a lesser degree,
>>> recording rules to you)? To me at least, that would dictate whether I
>>> continued to use the existing database or started completely afresh.
> IMHO, there's no reason to start with a new database.  Especially if you
> have existing recordings you plan to keep.
>>>  I
>>> would almost always choose option (b) unless the DB was completely
>>> lost,
> Right, a broken DB is the only real reason to start new--and even then, you
> should be able to use a partial restore to restore the not-recreatable data.
> Starting with a new distro install (versus upgrade), though, is a whole
> different matter I'll leave to others with more knowledge/experience (such
> as Nick).
>> I'm wondering if I should do as you suggest, backup dbase etc and do a
>> fresh install.
>> What kind of performance hit would I see by keeping the recordings and
>> operating system on the same physical
>> disk?
> Same disk isn't that much of a problem.  Same file system is bad.

Yes, that's what I planned, I will put the recordings on it's own partition.


>> I've seen people say this is a "no no".
>> If I won't loose much performance, I could use my new 1TB disk for the
>> install and recordings.
>> Then once I have restored things from the 'old' disks, I could check
>> these thoroughly and if they are ok I can
>> add them to the system for additional recording space etc.
> Having separate disks is always nice.  Generally, I use my smallest drive as
> the drive containing the partition containing the root file system and the
> file system with the DB data.  Then, whatever "extra" space I have I use as
> a partition with a separate file system mounted such that one of its
> subdirectories is the last directory in my storage group directory list and
> then I just keep it full (i.e. move other recordings to that directory to
> fill the hard drive) so it's never really used as a recording drive--just a
> playback drive.
> If you have an old 13GB HDD or whatever, you could set it up as the root
> file system and DB file system, then use the 1TB for recordings, then after
> checking your other drives, either move the new install on the 10GB to
> another drive or just keep using it.
> If not, at least make sure you either partition the 1TB drive to get
> different file systems or at least plan to move the root/DB off the 1TB
> drive as soon as possible.
> Just my opinion/recommendation.  FWIW.
> Mike
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