One of the most critical aspect in LaCie hard drive is LaCie recovery file. LaCie is an external hard drive which people use to expand the storage space of their Mac. It is often used as a back up option and significant amount of disk space occupied by the LaCie recovery file. Although the build quality is pretty sound and reliable as well but that does not mean the data can not be lost from it. There are many cases when the data can become inaccessible or get deleted. It can be due to any human error, file system corruption, virus infection power surge, unexpected error etc. As it is used as back up so any damage to the LaCie recovery file on Mac is a serious problem. You should immediately recover it so that you can work on your Mac tension free. You can restore LaCie recovery file by using LaCie hard drive recovery software. It will scan the whole hard drive and show the files it found in the scan. You can select the files you want and restore it .The LaCie drive will be will regain all the files and become functional again.