HP XP Array Manager Software - Manual (Page 114)

• Execute: A user with Execute permission can view Tiered Storage Manager resources and execute
Tiered Storage Manager tasks.
• View: A user with View permission can view Tiered Storage Manager resources and tasks.
Users registered in an external authentication group have the permissions of the user group to which
users are assigned. By specifying roles, resources that belong to a resource group for which a user
has permission to reference or perform operations on are displayed. The user can operate, or reference
information for, the displayed resources.
Other roles and resource groups required for migrating data in Legacy mode are as follows:
Necessary Tiered
Storage Man-
ager Permissions Necessary
Device Manager
Roles
Resource Group Function
View or higher View or higher All Resources
View tasks (Tiered Storage
Manager only)
Modify Admin or Modify All Resources
Stop or cancel tasks (Tiered
Storage Manager only)
Modify or Execute Admin or Modify All Resources
Execute tasks (Tiered Storage
Manager only)
Modify Admin or Modify All Resources Migrate data
Values for ensuring the operation of Tiered Storage Manager
in Legacy Mode and recommended values
The values below ensure the operation of Tiered Storage Manager in Legacy mode. Performance
might slow down or memory might become insufficient if a value exceeds these values.
Table 9 Tiered Storage Manager Ensured Legacy Values
Recommended value Value for which performance is ensured Item
30 or less 100
Number of storage tiers
in storage domain
1,000 or less 1,300
Number of unused
volumes in storage tiers
100 or less 5,000
Number of migration
groups in storage domain
5 or less 300
Number of volumes in
migration group
Operations in Legacy mode 114