primary partition

(redirected from Active partition)

primary partition

A reserved part of a Windows disk, which is identified by a drive letter. The entire C: drive is often one primary partition; however, multiple partitions are created for a user's own organizational purposes or for booting into different operating systems. See extended partition, master boot record, partition and basic disk.


Windows Primary Partitions
Depending on the boot method and partition tables used in the PC (MBR or GPT), from four to 128 primary partitions can be created. See MBR disk, GPT and UEFI.
References in periodicals archive ?
VMware is on a roll at the moment, having last week launched its Control Center active partition management software, which enables live applications running on ESX Server virtual machines to be passed around a network to enable the best use of available resources.
For example, if a 60 GB drive is migrated to a 120 GB drive, the result will be a 120 GB drive with a 60 GB active partition and 60 GB of unusable drive space.
For example, if an 80 GB drive is migrated to a 200 GB drive, the result will be a 200 GB drive with an 80 GB active partition and 120 GB of unusable drive space.