![]() ![]() If you have a large hard drive, you may want to consider splitting it up into multiple partitions. In this case, make sure you copy the installers over to your system drive so you have the installers if you ever need them again in the future. If such is the case, run the installers first before you proceed to reformatting the drive. Also, although rare, some hard drive vendors may have special drivers that need to be installed. Using Finder, just create a folder in your “Documents” folder and drag the software on your external hard drive over to it. You should consider copying the software over to your system drive. Note: If the drive you purchased was “Made for Mac”, it may come with software on it. We generally recommend re-formatting and partitioning new hard drives, even if they contain an HFS+ partition on them. Partitioning refers to the process of splitting up the drive into usable volumes. If you have purchased a hard drive that has been pre-formatted for macOS, it still might not be partitioned correctly. It will also be incapable of storing certain types of information that are necessary to make your volume bootable or encrypted. While your Mac can read and write to such filesystems, it will not be as efficient as the native macOS Extended file system that macOS wants to use. Virtually any new hard drive will come pre-formatted, so you can plug it into your Mac and begin using it ‘out of the box.’ The problem is that it has probably been formatted with a Windows PC native filesystem. This includes creating a file system on the drive so that data can be organized into files and folders. Formatting refers to the process by which the hard drive is prepared to store data. I agree with answer: I'd say use the default Mac OS Extended (Journaled) if you will be using the drive with Macs only, and MS-DOS (FAT) otherwise (which is fine for storing data, although not really applications without special measures).One of the first steps you must perform before using a new hard drive for backup purposes is to format it. ![]() ![]() and journalling has been around for quite some time now, so I'd expect most software to implement it (apologies for the handwaving here). ![]() If you are plugging your external hard disk directly into a Linux or Windows machine, they will need some (probably additional) software to provide access to the (non-native) MacOS Extended format drive. If your external disk is plugged into your Mac and those other platforms are accessing your data across the network, the journalling isn't visible to them. In my experience, enabling journalling doesn't affect accessibility from Linux or Windows: The article you have seen the non-journaled options in (mentioned in your comment) seems to be talking about 10.6, so I think this option has been removed since. ![]()
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