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Storage Area Manager and SMA Implementation
10 Using Storage Area Manager on the Storage Management Appliance Application Notes
Security
Storage Area Manager and the SMA software have their own independent security
infrastructures. Storage Area Manager uses two levels of user authentication: Administrators
and Guests. The SMA has three levels: Administrators, Operators, and Users. To access both
Storage Area Manager and SMA, you need to log on to each application separately.
Databases
Storage Area Manager and the SMA store data in separate databases. Data cannot be migrated
between the SMA and Storage Area Manager databases.
Discovery
Both Storage Area Manager and the SMA software can be used to perform discoveries. The
discovery operations and end results are independent of each other. Therefore, to utilize the
features of either Storage Area Manager or the SMA, you need to perform separate
discoveries.
Performing a comprehensive Storage Area Manager discovery in a large configuration has
been found to negatively affect SMA system response time. See “Performance
Considerations” for more information.
Performance Considerations
In larger configurations, a comprehensive Storage Area Manager discovery can consume
almost all SMA system resources and take a long time to reach completion. A comprehensive
Storage Area Manager discovery also slows down SMA operations, such as running a
discovery in Storage Provisioner or accessing the element managers.
Degraded performance is not as apparent in smaller environments when running concurrent
Storage Area Manager and SMA operations. You can perform a comprehensive Storage Area
Manager discovery without consuming excessive SMA resources.
Compatibility Between Storage Area Manager and SMA Components
The applications in the Storage Area Manager suite—Storage Node Manager, Storage Builder,
Storage Optimizer, Storage Accountant, and Storage Allocater—are compatible with all of the
SMA core components, as well as with other applications that can reside on the SMA,
according to the following table:
Table 2: SMA Application Compatibility with Storage Area Manager
Application
Storage Area Manager v3.0
with SMA software v2.0
Storage Area Manager v3.0
or
Storage Area Manager v3.1
with SMA software v2.1
Command View EVA v3.0a v3.0a, v3.1
HSG Element Manager v1.0d, v1.0e v1.0f
Proactive Remote
Service
v4.5 v5.0
Enterprise Volume
Manager
v2.0d N/A