Hitachi Command Suite 8 User Guide

• If selecting multiple HDT volumes from a logical group, all selected HDTvolumes must belong to the same HDT pool.
• A Tiered Storage Manager license is required to perform operations from the Mobility tab.
Procedure 1. From the tree view in the  Resources tab, select  Storage Systems .
You can also perform this step from the  Mobility tab.
If editing from logical groups, perform this step from the  Mobility tab.
2. Expand the tree and select the target HDT pools.
3. Select one or more HDT volumes from...

4.Specify the required items, and then submit the task.
5. After the task is complete, on the  Resources tab, select  DP Pools.
6. On the  Tiering Policies  tab, select the tiering policy you changed to
verify that the can verify the changes.
Result
The tiering policy is updated.
Related concepts
•
About virtualizing storage tiers  on page 175
Notes on data placement profiles for HDT volumes When using data placement profiles for HDT volumes, it is useful to
understand the following:
• Data placement...

system might not match the profile information that can be referencedfrom Hitachi Command Suite.
○ When the Hitachi Command Suite database was overwritten, due to an
import or restoration, while the applied profile existed.
○ When the storage system that contains an applied profile is deleted, and
the storage system is re-registered.Tip:  If inconsistencies are detected, a message will be displayed in Manage
Data Placement Profiles dialog. From the link shown in the message, perform
the  repair...

5.View the list of tasks to see the execution results.
Result
The created profile can be checked in the list of profiles displayed by clicking
the Logical Group View button in the Manage Data Placement Profiles dialog box.Tip:  To delete data placement profiles, select the data placement profiles to
be deleted, and click Delete Profiles.Note:  Regardless of the allocated resource groups, data placement profiles
created by another user can also be referenced in the list of profiles.
However, operations...

information, select the row of the profile to be updated (only one profilecan be selected) from the list of data placement profiles, and then click
the  Update Profile  button.
3. To create a plan, specify the necessary items by following the
instructions in the window.
4. If there is no problem with the plan, execute it.
5. View the list of tasks to see the execution results.
Result
The updated profile information can be viewed from the profile operation history list, which is displayed by clicking the...

Applying a data placement profile for HDT volumesBefore beginning application processing, apply a data placement profile to
restore a data placement that fits the characteristics of the processing. After confirming that the data placement is restored and performance is improved,release the applied profile to return to normal HDT operation.Tip:
• To apply or release the profile periodically to match the application operations, click Schedule Profiles to schedule when to apply and releasethe profile. When...

6.Using the software for checking the performance information, check the
effects of applying the profiles.
If linked with Hitachi Tuning Manager, from the  Manage Data
Placement Profiles  dialog box, click Logical Group View  to check the
performance trend chart of the target logical group.
7. To return to normal HDT pools operation, click  Release Profile, specify
the necessary items, and then release the applied profile.
Related concepts
•
About virtualizing storage tiers  on page 175
Scheduling data...

Prerequisites
• Virtualize sufficient storage.
• Define hardware tiers that consist of external volumes.• Connect the external storage system.
Procedure 1. On the  Resources  tab, select  Storage Systems , and then select the
target  DP Pools .
2. Select the target HDT pool, and click the  DP Pool Vols tab.
3. Select the target HDT pool volume the  DP Pools Vols list, and then click
Edit External LDEV Tier Rank .
4. In the  External LDEV Tier Rank  menu, change the tier ranking (Low/
Middle/High) to a...

that support this feature. DP pools must exist prior to volume allocation froma DP pool. To allocate volumes from a tier, a Tiered Storage Manager licenseis required, and tier policies must be established for storage systems that
support tier policy configuration.
The following rules and behaviors apply when allocating volumes:• Settings that are assigned when allocating volumes to a host become the default settings for the next time you allocate a volume to the same host.
You can change these settings...

will enable you to perform volume allocation in a way that best suits your
requirements, and will help you understand the Allocate Volumes dialog box and the Define Clustered-Host Storage dialog box.
Related concepts
•
Allocating storage  on page 133
Related tasks
•
Allocating volumes to selected file servers  on page 194
Related references
•
Prerequisites for allocating volumes  on page 192
•
Notes on performing quick formats  on page 140
•
Volume allocation methods  on page 190
•
Allocate Volumes...