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15.8. Create a Share Type for the Defined Back End
The Shared File System service allows you to define share types that you can use to create shares with specific settings. Share types work exactly like Block Storage volume types: each type has associated settings (namely, extra specifications), and invoking the type during share creation applies those settings.
When creating a share on a non-default back end, you need to explicitly specify which back end to use. To make the process seamless for users, create a share type and associate it with the
share_backend_name
value of your back end (whichever you chose in Section 15.6, “Define the Shared File System Service Back End”).
To create a share type named TYPENAME, run the following as an OpenStack admin:
#
manila type-create TYPENAME SHAREHANDLING
SHAREHANDLING specifies whether or not the share type will use the driver to handle the life cycle of shares. This should be the value set in
driver_handles_share_servers
of your back end definition. With driver_handles_share_servers=False
, SHAREHANDLING should also be false
. So, to create a share type called share1
:
#
manila type-create share1 false
Next, associate the
share1
type to a specific back end. You can specify the back end through its share_backend_name
value. For example, to associate the share type share1
to a back end named GENERIC
, run:
#
manila type-key share1 set share_backend_name='GENERIC'
Users should now be able to invoke the
SHARE1
type to create a share from the GENERIC
back end.