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Create disks in a Dedicated Block Storage Cluster

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Disks in a Dedicated Block Storage Cluster are for your exclusive use and are physically isolated from disks used by other tenants in the public cloud, making it easy to manage your storage space. This topic describes how to create disks in a Dedicated Block Storage Cluster.

Background information

Note

Dedicated Block Storage Cluster is currently available in the following regions: China (Hangzhou), China (Shanghai), China (Beijing), China (Zhangjiakou), China (Ulanqab), China (Shenzhen), China (Heyuan), Indonesia (Jakarta), Germany (Frankfurt), and China South 1 Finance.

You can use disks in a Dedicated Block Storage Cluster as system disks or data disks for your ECS instances. The creation method varies by disk type. For more information, see the following topics:

Create a system disk in a dedicated cluster

To use a disk in a Dedicated Block Storage Cluster as the system disk for an ECS instance, you must enable the cluster when you create the instance.

  1. Go to ECS console - Instances.

  2. In the top navigation bar, select a region.

    The ECS instance must be in the same region as the Dedicated Block Storage Cluster.

  3. Click Create Instance.

  4. Enable the Dedicated Block Storage Cluster and create the instance.

    For detailed instructions on how to create an instance, see Create an instance by using the wizard. When you create the instance, note the following:

    • Billing Method: Select Pay-as-you-go.

      Important

      Only pay-as-you-go ECS instances support Dedicated Block Storage Cluster.

    • Region and Network and Zone: The ECS instance must be in the same region and zone as the Dedicated Block Storage Cluster.

    • Dedicated Block Storage Clusters: Select the checkbox to enable the cluster, then select the target cluster for the system disk.

    After the ECS instance is created, its system disk resides in the specified Dedicated Block Storage Cluster.

Create a data disk in a dedicated cluster

You can create a data disk in a Dedicated Block Storage Cluster in one of two ways:

During instance creation

When you enable a Dedicated Block Storage Cluster during instance creation, both the system disk and any data disks that you add are created in that cluster.

On the cluster page

  1. Go to the Dedicated Block Storage Cluster page.

    1. Log on to the Elastic Block Storage console.

    2. In the navigation pane on the left, choose Enterprise-level Features > Dedicated Block Storage Clusters.

  2. In the top navigation bar, select the region and resource group of the resource that you want to manage. Region

  3. Find the target cluster and click Actions in the Created column.

  4. On the purchase page, configure the parameters for the disk.

    The following table describes the parameters.

    Parameter

    Description

    Attach

    Choose whether to immediately attach the new disk to an instance.

    • Not Attach: This option creates a disk without attaching it to an ECS instance.

      The disk must be attached to an ECS instance in the same zone. Select the Region and Zone and Region and Zone carefully.

    • Attach to ECS Instance: This option creates a disk and attaches it to a specified ECS instance.

      In the ECS Instance section, select the target region and ECS instance.

    Billing Method

    Pay-as-you-go is selected by default.

    Dedicated Block Storage Clusters

    This option is enabled by default. If not, select the checkbox.

    If multiple clusters exist in the same region and zone, you must also select the target cluster.

    Block Storage

    The supported disk category depends on the performance type of the cluster. Only ESSD PL0 is available for Basic clusters, and only ESSD PL1 is available for Performance clusters.

    Purchase Quantity

    Select the number of disks to create.

    Note

    • Note the maximum number of data disks that can be attached to a single ECS instance. For more information, see Block storage attachment limits.

    • Disks are subject to capacity quotas. The total capacity (Disk Capacity × Quantity) cannot exceed your capacity quota. After you select a disk category, the console displays the purchased capacity and available quota.

    Release

    Determines whether the disk or its automatic snapshots are deleted when the instance is released. This parameter is available only if you select Attach to ECS Instance and the disk billing method is Pay-as-you-go.

    Terms of Service

    Read and select ECS Service Terms.

    Other Options

    Set the Disk Name, Description, Tag, and Resource Group to identify and manage the disk.

  5. Click Preview, review the order, and then click Preview.

    Important

    Disks created directly in a Dedicated Block Storage Cluster incur no separate charges.

    After the disks are created, you can view information about them in the cluster. For instructions, see View information about a Dedicated Block Storage Cluster.

  6. (Conditional) If you selected Do not attach during disk creation, you must attach it to an ECS instance in the same zone and initialize it before use.

    1. Attach the disk to the specified ECS instance. For instructions, see Attach a data disk.

    2. Log on to the ECS instance and initialize the disk. For instructions, see Initialize a data disk.

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