Press Erase button when you're ready to reformat the cartridge
In the window for choosing the erase options choose your cartridge's new Name, Format and Scheme.Select the “Erase” button on the top of the Disk Utility.The RDX disk should be selected, not the partitions. Note that partitions on the RDX disk may be listed below the RDX disk. Please note: Any data on the cartridge will be permanently lost. To successfully format and partition the cartridge, follow the instructions below.
Partitioning for use on Mac OSX OnlyĪttempting to reformat an RDX cartridge for use on Mac OSX you may notice errors 'Not enough space on requested device' or 'Invalid Request' when attempting to re-partition or re-format through time machine preferences or the Disk Management utility. To re-partition a cartridge for use with Mac OS X and Windows interchange, please either:ġ) Use the instructions in the Windows related KB articleĢ) Use the instructions below and choose the ExFat format. This can be important if the cartridge is to be used for interchange between Windows and Mac OS systems. When Mac OS X Finder is used to 'Erase' a large cartridge and re-partition, the disk format written by Mac OS X is generally not readable on Windows systems. For more information about 3TB cartridge partitioning on Windows, please see also the Windows related KB article. This article is specific to Mac OS X 3TB partitioning considerations.
