[mythtv-users] Storage group question

[Joseph Fry]

> Thanks for the clearification Mike... I suspected that it did store the
>> storage group in the metadata... but then I recalled that mythtv will let
>> you move a recording from one storage group to another (at least at the
>> file system level).  Does it preserve the storage group even if the
>> current
>> folder containing the recording isn't part of that storage group?
>>
>
> Yes, so if you move it from a directory in Default to a directory that's
> only in, say, Archive, it will still show as being "in" the Default Storage
> Group--though it's finding it in another directory.
>
> Similarly, if your Default Storage Group contains the directory
> /srv/mythtv/tv/c/recordings, today, and MythTV records a new recording to
> that directory, and tomorrow you edit the directory list for Default to no
> longer contain the /srv/mythtv/tv/c/recordings directory, the recordings is
> still "in" the Default Storage Group, even though it's in a directory
> that's no longer in that Storage Group.
>
> Storage Groups are simply used a) as a way to command MythTV where to
> write a recording and b) as a hint about where to find a recording once
> it's recorded--to order our directory search for the recording file.  But,
> since changing the hint doesn't have any appreciable performance benefit,
> there's no reason to update it when you move the recording file.  In the
> future, though, we'll have a better (specific-to-the-directory-**level)
> hint for where to find the recording file, and that will be updated
> (automatically) when the recording moves.  At that point, the Storage Group
> will really only mean anything to the recording rule, and not the recording
> itself.
>
> So, really, Storage Group has little meaning once a recording is recorded,
> which is why the vast majority of users probably only ever need a Default
> Storage Group (for writing TV recordings) and, possibly, an Archive Storage
> Group (for storing recordings on a "safe" file system that won't ever
> experience auto-expiration)--in addition, of course, to the "special"
> Storage Groups used by, for example, Video Library or DB Backups or
> whatever.
>
> Thanks again!  You would think that after over 10 years of using Myth I
would know all of this stuff... but I rarely experiment with my mythtv
setup once I have it working the way I like.
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