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Zadara Storage VPSA volume driver
Zadara Storage, Virtual Private Storage Array (VPSA) is the first software defined, Enterprise-Storage-as-a-Service. It is an elastic and private block and file storage system which, provides enterprise-grade data protection and data management storage services.
The ZadaraVPSAISCSIDriver
volume driver allows the
Zadara Storage VPSA to be used as a volume back end storage in OpenStack
deployments.
System requirements
To use Zadara Storage VPSA Volume Driver you will require:
- Zadara Storage VPSA version 15.07 and above
- iSCSI or iSER host interfaces
Supported operations
- Create, delete, attach, and detach volumes
- Create, list, and delete volume snapshots
- Create a volume from a snapshot
- Copy an image to a volume
- Copy a volume to an image
- Clone a volume
- Extend a volume
- Migrate a volume with back end assistance
Configuration
- Create a VPSA pool(s) or make sure you have an existing pool(s) that will be used for volume services. The VPSA pool(s) will be identified by its ID (pool-xxxxxxxx). For further details, see the VPSA's user guide.
- Adjust the
cinder.conf
configuration file to define the volume driver name along with a storage back end entry for each VPSA pool that will be managed by the block storage service. Each back end entry requires a unique section name, surrounded by square brackets (or parentheses), followed by options inkey=value
format.
Note
Restart cinder-volume service after modifying
cinder.conf
.
Sample minimum back end configuration
[DEFAULT]
enabled_backends = vpsa
[vpsa]
zadara_vpsa_host = 172.31.250.10
zadara_vpsa_port = 80
zadara_user = vpsauser
zadara_password = mysecretpassword
zadara_use_iser = false
zadara_vpsa_poolname = pool-00000001
volume_driver = cinder.volume.drivers.zadara.ZadaraVPSAISCSIDriver
volume_backend_name = vpsa
Driver-specific options
This section contains the configuration options that are specific to the Zadara Storage VPSA driver.
cinder.volume.drivers.zadara
Note
By design, all volumes created within the VPSA are thin provisioned.