I have a PS3 fat.
I have a mybook live 1TB.
I cannot use the PS3 Backup Utility to backup all my saved games from the PS3 to the MyBook. I have formatting the hdd as FAT32 (as required by Sony’s backup system, meh), but no. The backup still fails. I have tried both partitioning the MyBook as well as just formatting the entire drive as FAT32. It still fails. The drive is good, no disk errors when scanned with any disc checking software (on linux, windows, OR macos — hey, i’m thorough.. that PS3 also has backups of all my PSone, PS2, and PSP saves!)
Apparently I’m not the only person with this problem, as the PS3 is notoriously picky in what kind of drives it will allow you to use the backup utility with.
Just leaving this tidbit here in case anyone else has a MyBook and would prefer to avoid the headache. Just manually backup save files to a flash drive. Sure, you lose Demons’ Souls saves and a few other small things, but really, it’s not worth buying an external hdd JUST for a PS3 backup.
Thankfully the process of manually copying all my saves got everything I needed for my purposes, in less than 10 minutes, so after I hit the publish button, this is a worry for past me. <3