The cloud disks created through the console are manually mounted to your CVM and used as data disks in Online status by default. To use the disks, you need to initialize them first, including formatting, partitioning, and creating file systems. The initailization method varies by actual use scenario as shown below:
Common disk partition styles are Main Boot Record (MBR) and Guid Partition Table (GPT). If the disk partition format is changed after the disk is put into use, original data on the disk will be erased. Therefore, select an appropriate partition style according to actual needs.
Basics of the two partition styles are shown in the following table：
|Partition style||Maximum supported disk capacity||Number of partitions supported||Partition tool|
|MBR||2TB||Windows operating system: Disk managementLinux operating system:
|GPT||18EBCurrently, cloud disk supports a maximum capacity of 32TB||No limit on number of partitions||Windows operating system: Disk managementLinux operating system: parted tool|
Select the appropriate operations guide according to disk capacity and the CVM‘s operating system type: