Creating and using block storage
Creating a block device is as simple as specifying the size and an optional name for the block device being created.
Create two volumes, one with a display name and another without:
control# cinder create 1 control# cinder create 1 --display_name data_vol
These two commands created two virtual block devices that are 1 GB of storage space each. To see the two devices, use Cinder's list command:
control# cinder list
The two volumes will be listed with information about them. As with the components already covered, the --all-tenants option can be passed as an administrative user to see a list of all volumes that are in Cinder:
control# cinder list --all-tenants
When volumes are created, they cycle through a progression ...
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