May 5, 201412 yr ... what's a 'safe' level that i should fill this to with Unraid? All static movie files ... how much 'free' space on a 4TB drive is recommended or should i just fill it to the brim?
May 5, 201412 yr ... what's a 'safe' level that i should fill this to with Unraid? All static movie files ... how much 'free' space on a 4TB drive is recommended or should i just fill it to the brim? Too full only really applies to the performance hit you see when writing new files as the drive scrambles to find space. Once the files are written, read performance is fine even on a totally full drive. HOWEVER... make sure your player doesn't want to write to the drive to update stuff like last watched, thumbnail icons, or other metadata, as that will be very slow.
May 6, 201412 yr Too full also applies to abilities to defrag a drive. Once the drive is more than 90% full, defragging becomes much more difficult, and some defrag tools won't attempt to work under those conditions. This is usually not an issue with unRAID arrays, as people usually write once and that's it. But this is the best reason I have found for the conventional wisdom to only fill a drive to 90%. But I agree with others to fill the drive as full as you can. Maybe not to absolute zero left, but a couple meg is fine.
May 7, 201412 yr My "filled to the brim" drives have anywhere from 21MB to 2.3GB of space left on them => when you're storing media files you're not likely to ever get much lower than that. Defragging simply isn't an issue for a server that's holding primarily static data.
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