Array Capacity Utilization Reports > Array Capacity & Utilization (Hitachi NAS Arrays)
  
Version 9.2.00
Array Capacity & Utilization (Hitachi NAS Arrays)
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The Array Capacity and Utilization report provides an overview of storage array capacity and utilization. Use this report to identify storage arrays that are under utilized or highly utilized.
The Array Capacity & Utilization report represents Hitachi NAS (HNAS) arrays in the following manner:
Storage Array
The name of the Hitachi NAS (HNAS) array.
Model
The model of the storage array as assigned by the vendor. Use this name to ascertain the vendor’s product specifications.
Status
The status of the array; for example, online or offline.
Product
The name of the product for this Hitachi NAS array. This field provides an indicator of capacity specifications, such as LUNs, hosts per array, and drives per array.
# Storage Servers
Click on this link to view the Hitachi NAS Storage Server Summary
# Storage Subsystems
Number of storage sub-systems associated with this array.
# EVS
Number of Enterprise Virtual Servers (EVS). Click on this link to view the Hitachi NAS EVS Summary.
# 10G Ports
The number of 10G ports on all Enterprise Virtual Servers (EVS). Click on this link to view the Hitachi NAS Ethernet Port Summary.
# Disks
Click on this link to view the Hitachi NAS Disk Summary.
# CIFS Shares
Click on this link to view the Hitachi NAS CIFS Share Summary.
# NFS Shares
Click on this link to view the Hitachi NAS NFS Export Summary.
# FTP Mounts
Sum of the FTP mount points.
# iSCSI LUNs
Sum of the iSCSI Block LUNs.
Physical Summary
Internal Capacity
The Hitachi NAS (HNAS) filer heads will not have any internal capacity, as they rely on block storage arrays.
External Capacity
Sum of the capacity of all block storage array LUNs being virtualized by the Hitachi NAS filer.
Allocated
Sum of the capacity of all the system drives allocated to Storage Pools.
Available
Sum of the capacity of all system drives not allocated to Storage Pools.
% Available
Expressed as a percentage, Available/Internal capacity.
Raw Usage
Expressed as a percentage, Allocated/Internal capacity.
Storage Pools Summary
# Storage Pools
Sum of the array’s Storage Pools. Click this report to view details in the Hitachi NAS Storage Pool Summary.
Storage Pool Capacity
Sum the of array’s Storage Pool capacity for File Systems (net RAID parity and overhead).
Storage Pool Used
Sum of the array’s File System used capacity.
Storage Pool Available
The Storage Pool Capacity minus the Storage Pool Used.
File System Usage
Thermometer with mouse-over that displays % of Used/Capacity.
File System Summary
# File Systems
Number of array file systems. Click this link to view the details in Hitachi NAS File System Summary.
# Thin Prov File Systems
Number of file systems that are thin. Click this link to view the details in Hitachi NAS File System Summary.
File System Capacity
Sum of the array’s file system sizes.
File System Used
Sum of the array’s file systems’ used capacity.
File System Available
File System Capacity minus File System Used
File System Usage
Percentage: Used/Capacity
LUN Summary
# LUNs
Number of iSCSI LUNs.
Total LUN Capacity
Sum of the array’s iSCSI LUN sizes.
# Allocated LUNs
Sum of the array’s iSCSI LUNs allocated to hosts.
Alloc LUN Capacity
Sum of the array’s iSCSI LUNs allocated sizes.
# Unallocated LUNs
Sum of the array’s iSCSI LUNs not allocated to hosts.
Unalloc LUN Capacity
Sum of the sizes of the array’s iSCSI LUNs not allocated to hosts.
LUN Usage
The percentage of the LUN that is allocated, Capacity/Total Capacity.