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Process Overview

Figure 1 shows the EVS process overview.

Figure 1 Process overview

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

Table 1 Method of creation

Disk	Description	Method
System disk	System disks are created along with servers and cannot be created separately.	See section "Creating an ECS" in the Elastic Cloud Server User Guide. See section "Creating a BMS" in the Bare Metal Server User Guide.
Data disk	Data disks can be created along with servers or separately.	See section "Creating an ECS" in the Elastic Cloud Server User Guide. See section "Creating a BMS" in the Bare Metal Server User Guide. Create an EVS Disk

Figure 2 shows how to purchase a data disk separately.

Figure 2 Process overview

1. Preparations: Register an account on the console and obtain the permissions required to create servers and disks.
2. Create a disk. Configure the disk parameters, including the disk type, size, name, and other information. For details, see Create an EVS Disk.
3. Attach the data disk. Attach the separately created disk to a server. For details, see the following sections:
   • Attaching a Non-Shared Disk
   • Attaching a Shared Disk
4. 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:
   • Introduction to Data Disk Initialization Scenarios and Partition Styles
   • Windows
     • Initializing a Windows Data Disk (Windows Server 2008)
     • Initializing a Windows Data Disk (Windows Server 2019)
   • Linux
     • Initializing a Linux Data Disk (fdisk)
     • Initializing a Linux Data Disk (parted)

Parent topic: Getting Started