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How to manage storage volumes for attaching to VMs and VMs created and running on storage volumes in the hybrid cloud platform.

Manage persistent volumes

In private cloud datacenters and public cloud regions, depending on your environment, you can work with virtual storage in the form of volumes and hard disks.

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Volumes on external storage devices are persistent and independent of the VMs. In contrast, hard disks on the hypervisor datastore are non-persistent and they are destroyed when deleted from the VMs or when the VMs are undeployed. This section covers volumes.

Display persistent storage

To display external storage volumes, go to Virtual datacenters → Volumes

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Create a volume of managed storage

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For information about creating generic iSCSI volumes, see Creating a Generic iSCSI Volume

Modify a volume

To edit a volume, select the volume and click the edit button. For managed storage volumes, you can modify the Controller type, and on ESXi you can also modify the Controller.

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Resize a storage volume

 You can only increase volume size of managed storage volumes, not generic iSCSI storage volumes. After you change the size, remember to enlarge the partitions and file system.

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 $ umount /dev/xxx (/dev/xxx is the partition of the resized volume, inside the VM)
 $ parted /dev/xxx
 # resize Y start end (Y is the partition number, and start/end of the partition varies in each case)
 $ resize2fs /dev/sdx

Move volumes between virtual datacenters

Both managed storage and generic iSCSI volumes can be moved between virtual datacenters, but only if the volumes are not attached to a VM. Volumes can be moved between virtual datacenters that belong to the same physical datacenter and enterprise.

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Delete a volume

Notes about deleting volumes:

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1. Select the volume 

2. Click the trash delete button.

Persistent volumes

What happens when I create a volume and attach it to a VM?

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