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:
Table: Array Capacity & Utilization (Hitachi NAS Arrays)
Column name | Description |
|---|---|
|
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 the value to view the HNAS Storage Server Summary. |
|
# Storage Subsystems |
Number of storage sub-systems associated with this array. |
|
# EVS |
Number of Enterprise Virtual Servers (EVS). |
|
# 10G Ports |
The number of 10G ports on all Enterprise Virtual Servers (EVS). |
|
# Disks |
Click the value to view the HNAS Disk Summary. |
|
# CIFS Shares |
Click the value to view the HNAS CIFS Share Summary. |
|
# NFS Shares |
Click the value to view the HNAS 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. |
|
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 a tooltip that displays % of Used/Capacity. |
|
File System Summary | |
|
# File Systems |
Number of array file systems. |
|
# Thin Prov File Systems |
Number of file systems that are thin. |
|
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. |