[mythtv-users] Myth 0.21 expiring ALL shows too soon with TONS of disk space available

[Larry Finger]

On 05/02/2012 02:44 PM, Michael T. Dean wrote:
> On 05/02/2012 03:12 PM, Ryan McDonald wrote:
>> Thanks for the replies everyone. Two questions though.
>>
>> 1 - For 32-bit hosts, the fix first appears in 0.25? (or in some 0.24
>> patchlevelX version)?
>
> The fix actually exists in 0.24-fixes. You could choose to upgrade to that,
> though there's probably not a lot of reason to use 0.24-fixes over
> 0.25-fixes--especially if anyone uses Live TV, you'll want 0.25-fixes. If you're
> upgrading, anyway, might as well go to current stable version.
>
>> 2 - The way I understand the issue is that there is a problem evaluating the
>> value that is returned by the "HowMuchSpaceIsLeft()" function. Assuming this
>> is true, if I *had* to stay at 0.21, couldn't I just dd a bunch of 250MB
>> /dev/zero files into the file system so that the disk always has <1T remaining
>> at any one given time? Then, I'd slowly remove these dummy files until they
>> are all replaced by actual media. Would this work?
>
> Yes you could fill up some space to keep in the safe ranges. That would put you
> basically where you were before you lost the recordings.
>
>>
>> Also.... If I'm sitting at 0.21 right now, which versions do I need to install
>> BEFORE I upgrade to 0.25 to make sure all the schemas get updated?
>
> You could upgrade from 0.21 to 0.24-fixes, then upgrade from 0.24-fixes to
> 0.25-fixes.
>
> Basically, 0.25-fixes requires a database version from 0.22 or higher--it can't
> upgrade any older database versions. The main reason I'm recommending upgrading
> to 0.24-fixes (rather than an earlier version) is because it has some fixes for
> some random issues that can occur during database upgrade--especially with newer
> Qt and/or newer MySQL versions.

Ryan: Before you start the upgrade to 0.24, please be aware that there are some 
circumstances where the upgrade from schema 1215 to 1216 apparently does nothing 
for nearly 8 hours before it finally finishes the upgrade.

Larry