[mythtv-users] Failing disk and imminent holiday - best move is...?

[Rick Lane]

On 22 August 2013 15:03, Michael T. Dean <mtdean at thirdcontact.com> wrote:
>
>
> No problems as long as:
>
> a) You properly set up Storage Groups such that the only directories in your SGs are subdirectories within the file system of the 2TB (i.e. you did not put the mount point directory/root of the file system into an SG).  If you put the mount point directory into the SG, then that directory will exist even when the file system is not mounted, so MythTV will write to the mount point directory on the parent file system and create a mess.
> b) You set MythTV to use the Combination or Balanced I/O--not Balanced Free Space or Balanced Percent Free Space--Storage Group Disk Scheduler.  There's a bug where MythTV will attempt (and fail) to use a non-existent directory if you're using a Balanced *Free Space Storage Group Disk Scheduler.
>
> If this doesn't describe your current setup, you can fix a) by simply shutting down all MythTV applications, then going into mythtv-setup and changing the directory list for the SGs to add a subdirectory in the listing.  Then, at some point before you want to make the files accessible to MythTV, again, use normal file system tools to create a new directory on the mounted file system and move the recordings (which should only rewrite file system metadata, not actual files, so should be very quick and be very little impact on the failing drive).  Then again, since you're likely going to replace the disk, you can skip this step and just make the files available by moving them to the proper location on the new disk.
>
> To fix b), simply change the SG Disk Scheduler in mythtv-setup.  Make sure you do both of these things before you leave.
>
> The only effect is you won't be able to play back/access existing recordings on the unmounted file system.
>
> Mike
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Thanks for the advice, I didn't have chance to reply before leaving
for the holidays but everything worked as you described.