Warning volumes, Critical volumes or both for one or more of the listed subsystems. Select a subsystem
from the list and then modify the values on the lower portion of the window. When the new values have
been entered, select Update to commit the changes. To remove the customized threshold values, select
the desired subsystem and click the Set To Defaults button. The changes will be committed and
displayed in the Subsystem Thresholds table.
After any modifications to the thresholds, the Core Server and Migration Purge Server for the affected
subsystem must be recycled to make the changes effective.
Field Descriptions
Storage Class ID. The ID of the storage class to which these subsystem-specific thresholds apply.
Storage Class Type. The type of storage class (disk or tape).
Storage Class Name. The Descriptive Name of the storage class.
Default Warning Threshold. The default warning threshold for this storage class expressed as a number
of free volumes.
Default Critical Threshold. The default critical threshold for this storage class expressed as a number of
free volumes.
Storage Subsystem Count. The number of storage subsystems in the HPSS system.
Subsystem List. A list of configured storage subsystems. Columns in the list include:
Subsys ID. The ID of the selected storage subsystem.
Subsys Name. The name of the selected storage subsystem.
Warning. The current warning threshold value for the selected subsystem. If the storage class
defaults are to be used, the text “default” will be displayed.
Critical. The current critical threshold value for the selected subsystem. If the storage class
defaults are to be used, the text “default” will be displayed.
Buttons
Set To Defaults. A button to remove the threshold override values from the selected storage subsystem.
Select a storage subsystem row from the Subsystem List. The selected storage subsystem information
will be displayed in the lower panel. Pressing the Set To Defaults button will commit the changes to the
selected subsystem and “default” will be displayed for both the warning and critical thresholds.
Related Informatio n
Section 4.2.3.8: Storage Class Threshold Overrides on page 81
6.1.5. Changing a Storage Class Definition
A storage class definition can be changed by bringing up the Storage Class Configuration window and
making the desired modifications.
Fields that can be changed in the storage class definition without major impact are the Migration Policy,
Purge Policy, Warning Threshold, and Critical Threshold. They can be changed at t he discretion of
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