Purchasing and Using an EVS Disk

EVS disks can be attached to servers and be used as system disks and data disks. For details, see Table 1.

**Table 1** Method of purchase
Disk	Description	Method
System disk	System disks are purchased along with servers and cannot be purchased separately.	Purchasing an ECS Creating a BMS
Data disk	Data disks can be purchased along with servers or separately.	Purchasing an ECS Creating a BMS Purchase an EVS Disk

Figure 1 shows how to purchase a data disk separately.

Figure 1 Process overview
Click to enlarge

Preparations: Register a HUAWEI ID, enable services with Huawei Cloud, and top up your account. For details, see Preparations.
Purchase a disk. Configure the disk parameters, including the disk type, size, name, and other information. For details, see Purchase an EVS Disk.
Attach the data disk. Attach the separately purchased disk to a server. For details, see the following sections:
- Attaching a Non-Shared Disk
- Attaching a Shared Disk
Initialize the data disk. Log in to the server and initialize the data disk before using it. For details about how to initialize the disk, see the following sections:

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