After the storage systems and services are added, you can start defining resources on the
systems.
Before you begin
Verify that the storage resource, which you intend to define
and attach, will be compatible with the service in terms of space
efficiency and compression modes.
About this task
If no resources (pools) exist on the storage systems, you can define the resources and
attach them to a service to make the physical storage available for the Spectrum Control Base
components and end users. You can attach several resources to a single service. However, a specific
resource can be added to one service only.
Note: For VVol-enabled services, the minimum recommended storage resource size is 500 GiB.
Procedure
On the Spaces/Services pane, select the storage space from which you
want to choose storage services. The available services that reside on the selected storage space are immediately
displayed.
Click on a service to which you want to attach a resource. The service color changes to green to indicate selection.
On the Storage Systems pane, move the mouse pointer over a storage system on which you want to
define a new resource, click the Edit button, and then click
Modify. The Array Settings dialog box is displayed.Figure 1. Array Settings dialog box
In the Add New Resource section of the dialog box, enter a management
domain of the pool IBM XIV® systems, or a parent pool for
storage systems that run IBM Spectrum
Virtualize™ (7.6 or later), and its size in GB.
Note: Management domains are available for the XIV systems
with microcode version 11.5.x and above. To use this feature, verify that:
Domains are already defined on your storage system.
Default credentials of a storage admin user are assigned to the domain.
Click Add. The storage resource is created on the storage system and attached to the service. The
resource color changes to green to indicate the successful attachment.
The resources defined on
the system before the system was attached to Spectrum Control Base, can be allocated to a service by
selecting the service and clicking an unattached resource.
A storage service provides
indication for the allocated and used storage space.
Allocated – amount of storage space available on all pools connected to the service.
Used – amount of storage space used by all storage elements connected to the service
(datastores, servers, etc).
Important:
When attaching a resource to an over-provisioned service, verify that a storage system which
hosts the pool has enough capacity to accommodate the service space requirements.
Datastores created on VVol-enabled services always display the meta and thick pools of its group
pool to be 100% full. You can disregard this alert.
When creating a stretched volume (a volume with mirrored copy) in a stretch cluster on storage
systems that run IBM Spectrum Virtualize
(7.6 or later), attach the primary and secondary pools to the same storage service.
You can also add a new storage resource by clicking the Add button
on the upper right-hand corner of the storage system Storage Resources table, described
below.
You can display detailed information for all storage resources defined on a storage system by
moving the mouse pointer over a system on which you want zoom, clicking the
Edit button, and then clicking List pools. The System Storage Resources table is displayed.Figure 2. System Storage Resources table
The table lists all storage resources defined on the storage system, including their sizes,
free and used storage space, parent pool for storage systems that run IBM Spectrum Virtualize , and a service that
the resource is attached to. When you click on a storage resource row to select it, you can complete
the following:
Click the Resource Attach button to attach the storage resource to a
previously selected storage service.
Click the Resource Detach button to detach the storage resource from a
previously selected storage service.
Click the Edit button to resize the resource or remove it.
Click the Remove button to delete child pools or XIV pools. This option does not exist for parent pools or DS8000® pools.
You can display detailed information for all storage resources attached to a service on a
storage system by moving the mouse pointer over the service on which you want zoom, clicking the
Edit button, and then clicking Resources. The Service Storage Resources table is displayed.Figure 3. Service Storage Resources table
The table lists all storage resources attached to the storage service, including their
sizes, free and used storage space and a system that the resource was created on. When you click on
a storage resource row to select it, you can complete the following:
Click the Resource Attach button to attach the storage resource to a
previously selected storage service.
Click the Resource Detach button to detach the storage resource from a
previously selected storage service.
Click the Edit button to resize the resource or remove it.
Click the Remove button to delete child pools or XIV pools. This option does not exist for parent pools or DS8000 pools.
The table lists all storage resources defined on the storage system, including their sizes, free and used storage space, parent pool for storage systems that run IBM Spectrum Virtualize , and a service that the resource is attached to. When you click on a storage resource row to select it, you can complete the following:
The table lists all storage resources attached to the storage service, including their sizes, free and used storage space and a system that the resource was created on. When you click on a storage resource row to select it, you can complete the following: