Hitachi Command Suite 8 User Guide

Related concepts
•
Creating a storage operating environment  on page 132
Related tasks
•
Virtualizing volumes of a registered storage system  on page 151
•
Discovering and virtualizing volumes of an unregistered storage system  on
page 152
•
Unvirtualizing volumes  on page 154
Virtualizing volumes of a registered storage system Choose from a list of existing unallocated volumes in the external storage
system to be virtualized. Or specify the number of volumes and volume
capacity to search for volumes...

6.(Optional) Click  External Path Priority Settings  to configure the
external path and increase or decrease external path priority.
7. (Optional) Click  Host Group and LUN Settings  to configure the host
group settings and LUN number.
8. (Optional) Click  Internal Volume Configuration  to configure the
options for the volume to be virtualized, such as the parity group ID, CLPR, inflow control, LDEV labels, and LDEV IDs.
9. Click  Show Plan  and confirm that the information in the plan summary
is...

• The external storage system is connected to one or more external ports ofthe internal storage system.
• The external mapping volumes are already allocated to the external ports.
• Hitachi Universal Volume Manager (UVM) is installed on the internal storage system.
Procedure 1. From the  Actions menu or  General Tasks  pane, select Virtualize
Volumes .
2. From the list of external storage systems, select  Search new systems/
volumes by port scan .
3. From the list, select an internal storage system.
4....

You can schedule the task to run immediately or later. The default setting
is  Now . If the task is scheduled to run immediately, you can select  View
task status  to monitor the task after it is submitted.
14. Click Submit.
If the task is scheduled to run immediately, the process begins.
15. (Optional) Check the progress and result of the task on the  Tasks &
Alerts  tab. Click the task name to view details of the task.
Result
When the task completes, the volumes on the discovered external storage...

Note: If the selected external storage system is not a registered storage
system, you can unmap volumes only.
6. Click  Show Plan  and confirm that the information in the plan summary
is correct. If changes are required, click  Back.
7. (Optional) Update the task name and provide a description.
8. (Optional) Expand  Schedule to specify the task schedule.
You can schedule the task to run immediately or later. The default setting
is  Now . If the task is scheduled to run immediately, you can select  View...

Table 5-3  Virtualize Volumes dialog box
FieldSubfieldDescriptionSelect the
external and
internal storage
systems-External storage system is displayed if you selected a
registered storage system and launched the dialog box.
If you did not, select an external storage system from
the list.
From the list of external storage systems, select
Search new systems/volumes by port scan to scan
ports and discover volumes of unregistered storage
systems.
From the list of internal storage systems, select the internal...

FieldSubfieldDescription• SAS (SED) - SAS self-encrypting drive
Any is displayed when you can select more than two
drive types.
Changing drive type can change the parity group.Drive speed
(RPM)-Existing drive speed is displayed based on the selected
storage system. If multiple drive speeds are displayed,
accept the default of any available speed or select from
the drive speed list:
• Any
• 15000
• 10000
• 7200
Any is displayed when you can select more than two drive speeds.
Changing the drive speed...

FieldSubfieldDescriptionpath, select the path that you want to delete. ClickClear External Paths.
External paths can be edited from a table or from a
graph. To create an external path, select an external
storage port and an internal storage port. To delete an
external path, select the path that you want to delete.
To delete all paths, click Clear External Paths.Port Type (Ext./Int.)The port types of the storage ports of both the external
and internal storage systems are displayed.>> External Path...

FieldSubfieldDescriptionCLPR-From the list, select the cache logical partition resource
(CLPR) value for the internal volumes.Inflow control-Select Enable to stop write operations to cache and to
stop I/O from the host when the write operations to
the external volume fails.
Select Disable to write I/O from the host during retry
operations to cache memory, even when the writing operation to the external volume fail. When writeoperations to the external volume returns to normal,
all the data in cache...

Virtualizing storage capacity (HDP/HDT)This module describes how to virtualize storage capacity.
About virtualizing storage capacity Hitachi Dynamic Provisioning (HDP) provides virtual volumes to a host and
allocates the actual capacity from a HDP pool when a host makes a write
request. By using HDP pools, you can allocate more capacity to a host thanthat allowed by the actual physical configuration of the storage system.
HDP pools provide the following advantages: • You can reduce system setup and...