Array Capacity Utilization Reports > Array Capacity & Utilization (HP 3PAR View)
  
Version 10.0.01
Array Capacity & Utilization (HP 3PAR View)
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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 following illustration represents the view available for HP 3PAR storage arrays.
The report is organized into the following areas:
1. Array Summary
2. Physical Summary
3. Chunklets
4. Logical (LD) Summary
5. Common Provisioning Groups (CPG)
6. Virtual Volume (VV) Summary
Array Summary
Use array information to review the HP 3PAR capacity limits.
Storage Array
Name assigned to the array. Available values include all supported storage devices. For a supported devices list, see the APTARE StorageConsole Certified Configurations Guide.
Family
Family classification of the storage array as assigned by the vendor. Use this name to ascertain the vendor’s product specifications.
Type
Specific model of the storage array.
Vendor
Name of the vendor that distributes the storage array.
Product
Name of the product, typically shown as a series number. This field provides an indicator of capacity specifications, such as LUNs, hosts per array, and drives per array.
O/S Firmware
Version number for operating system firmware.
Serial No
Array’s serial number.
Last Updated
Date and time this data was last updated in the database
# Controllers
Number of controllers managing the array.
# FC Ports
Number of fibre channel ports. Links to Array Port Utilization.
#iSCSI Ports
Number of ports allocated for Internet Small Computer System Interface (iSCSI), an IP-based storage networking standard for linking data storage facilities. iSCSI is used to facilitate data transfers over intranets and to manage storage over long distances.
# Disk Drives
Number of disks associated with this array. Click the link to view the Disk Summary for relevant disk drives and their capacities.
# Hosts
Total number of unique hosts that have LUNs assigned by this storage array, and the hosts have been successfully queried using one or more host resource policies. If zero, host resources data has not been collected. Click the Hosts link to go to the Host Capacity & Utilization.
Host Usage
Represents the amount of array storage being used by hosts and their applications.
% Used
Percentage of total capacity used, calculated as Host In-Use divided by Host Allocated.
Physical Summary
This section of the report summarizes capacity and usage. The percentages, in particular, capture the essential part of your current utilization status.
Capacity
Total raw capacity of the storage array. You can set the capacity units to be displayed, either MB, GB, TB, or PB, by selecting the Advanced option when you generate the report.
Chunklets
 
Normal Used OK
Capacity associated with used (written to) chunklets that represent valid data contents available through logical drive mappings to hosts.
Normal Used Failed
Capacity associated with used (written to) chunklets that at one time represented valid data contents available through logical drive mappings to hosts, but do not any longer. Typically resulting from failed drives. All Normal Used OK chunklets on a drive that fail are flagged as Normal Used Failed.
Normal Unused Free
Capacity associated with unused and initialized chunklets available to establish new logical drives or expand existing logical drives.
Normal Unused Uninitialized
Capacity associated with replacement drives that have yet to be initialized.
Normal Unused Failed
Capacity associated with unused free disk drives that fail.
Spare Used OK
Capacity associated with used (written to) chunklets that represent valid data contents available through logical drive mappings to hosts, as a result of a redundant RAID group drive rebuild.
Spare Used Failed
Capacity associated with used (written to) chunklets that at one time represented valid data contents available through logical drive mappings to hosts that resulted from a redundant RAID group drive rebuild, but do not any longer. Typically resulting from failed drives. All Spare Used OK chunklets on a drive that fails are flagged as Spare Used Failed.
Spare Unused Free
Capacity associated with unused and initialized chunklets available to redundant RAID groups for drive rebuild on a failed drive.
Spare Unused Uninitialized
Capacity associated with replacement spare drives that have yet to be initialized.
Spare Unused Failed
Capacity associated with unused free spare disk drives that fail.
Chunklet Usage
Normal Used OK + Normal Used Failed/Total in graph form. Roll over to display a usage percentage.
Logical (LD) Summary
Logical Disks are a collection of physical disk chunklets arranged as rows of RAID sets. This section of the report summarizes their capacity and usage.
# Logical Drives (LD)
Number of logical drives. Refers to an arrangement of rows of RAID sets. Logical drives are mapped to virtual volumes.
LD Capacity
Capacity of all the logical disk space.
LD Used
Logical Disk (LD) space mapped to a Virtual Volume.
LD Free
Logical Disk (LD) Capacity - Logical Disk (LD) Used = LD Free.
LD Usage
Logical Disk (LD) Used/Logical Disk (LD) Capacity in graph form.
Common Provisioning Groups (CPG)
A Common Provisioning Group (CPG) creates a virtual pool of logical disks that allows up to 64 volumes to share the CPG's resources and allocate space on demand.
# CPGs
Number of Common Provisioning Groups. This number includes delta replication pools. Links to HP 3PAR Common Provisioning Group (CPG) Summary.
# Associated LDs
Number logical disks associated with each common provisioning group.
Consumed Capacity
Sum of current space consumed by the storage pool.
Allocated for Snapshot
Sum of each CPG's snapshot allocation.
Allocated for Admin
Space allocated for administrative overhead.
VV Summary
A virtual volume is a representation of a storage area that is not tied to any physical storage allocation. VVs are used in thin provisioning (also known as virtual provisioning) for SAN management. A virtual LUN is also sometimes called a thin LUN. HP 3PAR refers to these as virtual volumes.
# VVs
Number of virtual volumes. This report links to the LUN Utilization Summary.
# TPVVs
Number of thinly provisioned virtual volumes (TPVVs).
# CPVVs
Number of concrete provisioned virtual volumes (CPVVs). Links to the LUN Utilization Summary.
Total VV Capacity
Total storage capacity for all of the associated virtual volumes.
# Allocated VVs
Number of virtual volumes on the array that have been mapped to a host. Links to the LUN Utilization Summary - Allocated report.
Alloc VV Capacity
Total storage capacity for the allocated virtual volumes.
# UnAllocated VVs
Number of virtual volumes that have yet to be allocated. This report links to LUN Utilization Summary - Unallocated.
UnAlloc VV Capacity
Available capacity for unallocated virtual volumes.
VV Usage
Percentage of virtual volumes capacity currently in use.
#VLUNs
Number of Storage Paths.