[mythtv-users] expiring expiring programs waaaaaay too soon

[Mike Perkins]

On 02/12/12 21:44, Brian J. Murrell wrote:
> So every night I print out the expiry list with mythbackend
> --printexpire just so that I am keeping an eye on what we've not
> watched yet that could be getting expired.  Luckily the expiry process
> has been working away on a long list of deleted programs.
>
> I've discovered though that while for the most part expiry is expiring
> the deleted list on a more or less FIFO basis, it has deviated from
> that.
>
> For example, given this expiry list one day:
>
> "Johnny Test":"Lawn Gone Johnny; Johnny   613 MB 2012-10-15T06:30:00      [  0]
> "The Good Wife":"Waiting for the Knock"   986 MB 2012-10-28T22:00:00      [ -1]
> "Saturday Night Live"                    1335 MB 2012-10-30T02:00:00      [  0]
> "The Big Bang Theory":"The Re-Entry Min   365 MB 2012-10-18T20:00:00      [  0]
> "Saturday Night Live"                    1228 MB 2012-10-31T23:00:00      [  0]
> "Modern Family":"Yard Sale"               428 MB 2012-10-31T21:00:00      [  0]
> [ 69 lines deleted ]
> "Parks and Recreation":"Leslie vs. Apri   432 MB 2012-11-15T20:30:00      [ -1]
> "Criminal Minds"                          686 MB 2012-11-23T02:07:00      [  0]
> "Survivor: Philippines":"Whiners Are We  1074 MB 2012-11-21T20:00:00      [  0]
> Marketplace:"Pump Fiction"                867 MB 2012-11-02T20:00:00      [  0]
> "Saturday Night Live"                    1256 MB 2012-11-20T15:00:00      [  0]
> "Saturday Night Live"                    1124 MB 2012-11-20T03:00:00      [  0]
> "Ask This Old House":"Planting Palm Tre   677 MB 2012-11-17T11:00:00      [  0]
>
> The following day the list was:
>
> "The Big Bang Theory":"The Re-Entry Min   365 MB 2012-10-18T20:00:00      [  0]
> "Saturday Night Live"                    1228 MB 2012-10-31T23:00:00      [  0]
> "Modern Family":"Yard Sale"               428 MB 2012-10-31T21:00:00      [  0]
> [ 69 lines deleted ]
> "Parks and Recreation":"Leslie vs. Apri   432 MB 2012-11-15T20:30:00      [ -1]
> Marketplace:"Pump Fiction"                867 MB 2012-11-02T20:00:00      [  0]
> "Saturday Night Live"                    1256 MB 2012-11-20T15:00:00      [  0]
> "Saturday Night Live"                    1124 MB 2012-11-20T03:00:00      [  0]
> "Ask This Old House":"Planting Palm Tre   677 MB 2012-11-17T11:00:00      [  0]
>
> To save you a bit of work:
> * the same 69 lines were deleted in both lists
> * the second list is missing the first three items in the first list
> * the second list is also missing:
>
> "Criminal Minds"                          686 MB 2012-11-23T02:07:00      [  0]
> "Survivor: Philippines":"Whiners Are We  1074 MB 2012-11-21T20:00:00      [  0]
>
> So, the first three items missing on the second list is expected.  They
> were the top three items to be expired from the deleted list.  It's the
> "Criminal Minds" and "Survivor: Philippines: Whiners Are We" that I can't
> see any reason should have been expired so soon.  The Survivor episode
> spent just one day in the Deleted group before it was expired before
> some almost 80 programs that were ahead of it on the list.
>
> Why was it expired so quickly?
>
My guess is, a new program had to be recorded, the scheduler chose a random disk 
out of your storage group pool, and then it looked for programs to delete to 
free up enough space. It just happened to choose a disk which did not have the 
oldest expired items in it.

-- 

Mike Perkins