Disk fragmentation is a process that occurs on all operating systems. In Mac operating systems, data is fragmented, and stored as non-contiguous blocks on the hard drive. Fragmentation of data in this form increases the access time of a particular file, since the data blocks are not contiguous. Not only this, even the performance of the hard drive reduces due to excessive disk fragmentation. This kind of excessive fragmentation might result in loss of data, and make the need for a Mac recovery software mandatory.
Mac OS however has its own mechanism of dealing with this problem. Mac OS tries to write the file back into contiguous space, when you try to open that specific file. Though this is an effective mechanism, it has its own limitations, like the size of the file and the number of fragments it comprises. The ill effects of high disk fragmentation include freezing of your system, corruption of data structures and partition table. This could mean loss of critical data without any warning signs.
One effective method, to prevent excessive fragmentation of the disk, is to regularly perform De-fragmentation of the hard drive. This could prevent data loss to a great extent. If you fail to perform regular de-fragmentation of the disk, and end up losing data, it is always better to make use of a good Mac data recovery software, to recover the lost data.
REMO Recover (Mac) Pro Edition software provides an ideal solution for data loss resulting due to excessive disk fragmentation. This Mac hard drive recovery software lets you recover data from Journaled versions of HFS+ and HFSX volumes. The software also recovers lost media files from lost or missing partitions in Mac OS.