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FusionStorage V100R006C30 Block Storage Service Disaster Recovery Feature Guide 03

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Creating a Volume

Creating a Volume

Scenarios

Create a volume on FusionStorage Block Self-Maintenance Platform when Internet Small Computer Systems Interface (iSCSI) or Small Computer System Interface (SCSI) storage devices are used.
NOTE:
  • The volume created on FusionStorage Block has thin provisioning enabled by default, and allocates storage resources in thin provisioning mode. In this mode, storage resource overcommitment is allowed, and the overcommitment ratio is not limited. If an upper layer application does not support overcommitment, the total capacity of the volumes created in the storage pool cannot exceed the storage capacity.
  • If a storage node is faulty or the capacity of FusionStorage Block is reduced, write protection may be enabled due to the reduction of the storage pool capacity. If an exception is caused by the storage write protection, expand the storage pool capacity to rectify the fault.
  • When FusionStorage Block is interconnected with FusionComputer, volumes can be created only by using VRM.

Prerequisites

You have logged in to FusionStorage Block Self-Maintenance Platform.

Procedure

    1. Determine the required operation based on different scenarios.

      • To create a volume in the storage pool, go to 2.
      • To create a volume using an existing snapshot, go to 7.

    Create a volume in the storage pool.

    1. On FusionStorage Block Self-Maintenance Platform, choose Resource Pool > Volume Management > Volumes.

      The Volumes page is displayed.

    2. Click Create.

      The Create page is displayed, as shown in Figure 2-4.

      Figure 2-4  Creating a volume

    3. Set Volume Name, Capacity, and Storage Pool, and click Create.

      A dialog box is displayed.

    4. Click OK.

      A dialog box is displayed, as shown in Figure 2-5.

      Figure 2-5  Info

    5. Perform one of the following operations based on the protocol used by the volume:

      NOTE:

      FusionStorage Block supports the iSCSI protocol in VMware vSphere scenarios and Microsoft Hyper-V scenarios.The remote replication feature does not use this protocol.

      For the disaster recovery feature, skip this operation because volumes are not mapped to or mounted on any hosts before a pair is created on a remote device.

      • For SCSI storage, click Attach. To manage the attachment relationship between a volume and a block storage client, see Attaching a Volume
      • For iSCSI storage, click Map. To manage the mapping among a volume, host, and host group, see Creating Mapping.
      • To continue to create volumes, click Yes. Then the volume creation page is displayed.

      After a volume is successfully created, you can view it in the volume list.

    Create a volume using an existing snapshot.

    1. On FusionStorage Block Self-Maintenance Platform, choose Resource Pool > Snapshot Management.

      The Snapshot Management page is displayed.

    2. Locate the row that contains the target snapshot and select Create Clone Volume.
    3. Set Volume Name and Capacity and click Create.
    4. Click OK.

      A creation success message is displayed.

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Updated: 2019-01-17

Document ID: EDOC1100044928

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