HP Storage Essentials Storage Resource Management Report Optimizer Software 6.0 Contexts Guide (October 2008)

User Guide 7
NOTE: In general, you must include the main objects and all the objects in the sub-classes in the
query to avoid #MULTIVALUE errors.
When to Use the “XYZ for Dependency” Classes
Some classes, such as HBA, Host Volumes, and Storage System Fiber Channel Ports, have
corresponding classes such as HBA for Dependency, Host Volumes for Dependency, and Storage
System Fiber Channel Ports for Dependency. Use these guidelines when choosing between “class
name” classes and “class name for dependency” classes:
Create a report to show
total storage capacity.
Select all of the following:
• Storage System class >
Vendor Name object
• Storage System Capacity
Statistics - Latest class >
Total Capacity in GB
object
There can be multiple
storage systems with the
same vendor name.
Select a unique object, such
as Storage System name.
Create a report to show
total storage capacity.
Select all of the following:
• Host class > Host Name
object
• Host Volume Capacity
Statistics - Latest class >
Total Capacity in GB
object
There can be multiple
logical volumes on a given
host.
Select the Logical Volume
Name object from the Host
Volumes class.
Create a report to show
Host Volume capacity.
Select all of the following:
• Host Volume Capacity
Statistics - Historical class
> Total in GB object
• Host class > Host Name
object
• Host class > Logical
Volume Name object
For historical capacity
statistics, there can be
multiple values because
capacity data was collected
at different times.
Select the Collection Time
object from the sub-class.
Table 1-4: Resolving #MULTIVALUE Errors
Use Case Cause of
#MULTIVALUE Error
Resolution