HP Storage Essentials V5.1 User Guide First Edition (T4283-96026, August 2006)

Finding an Element’s Storage Capacity570
• Threshold - The amount of disk space that would have to be exceeded before a message is
logged.
• Quota Soft Limit - The amount of disk space or the number of files that would have to be
exceeded before a message is logged and and SNMP trap is generated.
• Quota Used
• Percentage Used
Capacity Information for Storage Systems
Capacity Manager displays the following information under the Capacity Summary and
Capacity columns:
• Total Capacity
• Mapped
• Total Internal (HDS arrays only)
• Unmapped
• Total Allocated
• Unallocated
• Unused Raw
• Percentage Allocated
Capacity Manager displays additional information for each storage pool (Volume Group):
• Total Capacity - Total allocated, unallocated and unused raw.
• Mapped - Provisioned volumes exported to a system port. Mapped volumes are accessible.
• Unmapped - Provisioned volumes that are not exported to a system port. Unmapped volumes
are not accessible.
• Total allocated - Provisioned volume.
• Unallocated - Available space left on the storage pool
• Percentage Allocated - The percentage allocated compared to the total capacity of the
storage system.
The following table describes how the properties are calculated for HDS array groups.
Table 134 Explanation of the Properties of the Capacity Levels for HDS Array Groups
Property Displayed for an
Array Group
(CIM_StoragePool)
How It Is Calculated Explanation
Total Capacity sum of volume.size +
pool.totalRemainingSpace
sum of sizes of all LDEVs in
the array group plus the total
free space