When a disk has been put to use, you must check the disk partition style before expanding its capacity. The details are as follows:
- If the MBR partition style is used, the maximum disk capacity supported is 2 TB (2048 GB), and the disk space exceeding 2 TB cannot be allocated and used.
- If the GPT partition style is used, the maximum disk capacity supported is 18 EB (19327352832 GB). An EVS data disk supports a maximum of 32 TB (32768 GB), which means that you can expand the capacity of an EVS data disk to up to 32 TB when the GPT partition style is used.
If the in-use disk partition style is MBR and the disk capacity needs to be expanded to over 2 TB, change the disk partition style from MBR to GPT. Ensure that the disk data has been backed up before changing the partition style because services will be interrupted and data on the disk will be cleared during this change.