Some people reported having issues with corrupted ave files on ps3 so i would advise you to backup your save file every once in a while.
To do so, put in a usb thumb drive in your ps3 and go to your games menu (playstation interface) and stand on D3 and click Triangle and then "Copy" and select the USB stick. That way, all of your saved files with your charcters and progress will be copied over to the usb and you can always copy and overwrite the save files that are currently utilized by the game by going to "game saves" iirc, also in the games menu but you have to scroll up a bit, and then do the same procedure just in the opposite direction i.e copy over from the usb to the ps3 harddrive. You can google "How to backup ps3 save files" if you want a step by step guide. I'm sure you will find plenty.
If so, would I do so using the in-game 'Export' feature, or through the 'Save Game Data' on the PlayStation interface?
Thank you.
To do so, put in a usb thumb drive in your ps3 and go to your games menu (playstation interface) and stand on D3 and click Triangle and then "Copy" and select the USB stick. That way, all of your saved files with your charcters and progress will be copied over to the usb and you can always copy and overwrite the save files that are currently utilized by the game by going to "game saves" iirc, also in the games menu but you have to scroll up a bit, and then do the same procedure just in the opposite direction i.e copy over from the usb to the ps3 harddrive. You can google "How to backup ps3 save files" if you want a step by step guide. I'm sure you will find plenty.