iDefrag can defragment disk images before they are burnt onto CD or DVD-ROM, optimizing access time and significantly reducing install or read times.Īnd, unlike other products, iDefrag provides a wealth of information about your files, so you can see which ones are most fragmented and even look where they are on the disk. Seek times on CD-ROM and DVD-ROM disks are many times slower than those of hard disk mechanisms, so fragmentation really hits performance, in some cases adding many minutes to read times. As far as we know, iDefrag is the first defragmentation tool for the Mac that fully supports the Hot Zone, guaranteeing that this is not a problem.Įven if you aren’t interested in defragmenting your hard disk, if you produce products on CD-ROM disks, iDefrag will be of use. In a way, they’re right-HFS+ is pretty good at keeping small to medium sized files from getting fragmented… it isn’t particular good, however, at keeping large files or free space from fragmenting, a particular problem on the Mac because the swapfile must be contiguous on the disk, so you can actually run out of virtual memory long before you run out of disk space if your free space is fragmented.Īnother objection-this time raised by Apple-is that existing defragmentation tools may actually slow your machine down by moving files into or out of the “Hot Band”, defeating Panther’s Adaptive Hot File Clustering code.
Some people say that HFS+ is so good that you don’t need to defragment. It really looks great and I see no problems with this and Protools. I read about it and this looks like the answer.
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