Performance (Advanced Copy)

Overview

This function displays the performance information of the volumes for Advanced Copy.

Note
  • The performance information of the Data Container Volume is not displayed.

  • Performance information is obtained when performance monitoring is operated from Web GUI, CLI, or any other monitoring software. Refer to the [Start/Stop Performance Monitoring] function for details on how to start performance monitoring with Web GUI.

  • The interval for acquiring performance information can be specified when starting the monitoring. When using Web GUI, the default interval is 30 seconds.

  • The average performance values during the specified interval are displayed.

  • When the performance monitoring function is stopped, "0" is displayed as the performance information.

  • In this manual, "volumes" include "External Volumes" if differentiation is not specifically required.

User Privileges

Availability of Executions in the Default Role

Default role Availability of executions
Monitor
Admin
StorageAdmin
AccountAdmin  
SecurityAdmin
Maintainer

Refer to "User Roles and Policies" for details on the policies and roles.

Display Contents

In this screen, the performance information of the volumes for Advanced Copy is displayed. When the performance monitoring function is stopped, "0" is displayed as the performance information.

Volume List

Item Description

No.

The volume number is displayed.

Click this item to display the [Volume Detail] screen ([Basic] tab).

Name

The volume name is displayed.

Click this item to display the [Volume Detail] screen ([Basic] tab).

Type

The volume type is displayed.

Standard

WSV

TPV

FTV

SDV

SDPV

Temporary

Usage

The usage of the volume is displayed.

  • Block

    The volumes that are used for the SAN.

  • Block/Dedupe&Comp

    The volumes that have both the Deduplication and Compression functions enabled.

  • Block/Dedupe

    The volumes that have the Deduplication function enabled.

  • Block/Comp

    The volumes that have the Compression function enabled.

  • File

    The volumes that are used for the NAS.

  • System

    The system volumes for the Virtual Volume function.

    Refer to "Usage Details" in the [Volume Detail] screen ([Basic] tab) for details.

  • Migration

    An External Volume that is used for data migrations.

  • Veeam

    The Veeam Snapshot Volumes that have both the Deduplication and Compression functions disabled.

  • Dedupe&Comp/Veeam

    The Veeam Snapshot Volumes that have both the Deduplication and Compression functions enabled.

  • Dedupe/Veeam

    The Veeam Snapshot Volumes that have the Deduplication function enabled.

  • Comp/Veeam

    The Veeam Snapshot Volumes that have the Compression function enabled.

Read IOPS

The number of reads per second is displayed.

Write IOPS

The number of writes per second is displayed.

Read Throughput

The amount of transferred data that is read per second is displayed.

Write Throughput

The amount of transferred data that is written per second is displayed.

Read Cache Hit Rate

The cache hit rate (0 to 100 %) (for read) is displayed.

Write Cache Hit Rate

The cache hit rate (0 to 100 %) (for write) is displayed.

Prefetch Cache Hit Rate

The cache hit rate (0 to 100 %) (for prefetch) is displayed.

Extreme Cache Cache Hit Rate

The cache hit rate (0 to 100 %) of Extreme Cache for read I/O is displayed.

This item is displayed when Extreme Cache or Extreme Cache Pool is enabled for the storage system.

A "-" (hyphen) is usually displayed for the following volumes:

  • Extreme Cache and Extreme Cache Pool for the relevant volume are disabled

  • Volume type is "SDV" or "SDPV"

  • Volumes that are created in a RAID group or a TPP configured with SSDs or SSD SEDs

  • ODX Buffer volumes

Note
  • Enabling or disabling Extreme Cache for each volume can be performed with Web GUI, CLI, or ETERNUS SF Storage Cruiser. Use the [Modify Cache Parameters] function to change the setting from Web GUI (for the ETERNUS DX500 S5/DX600 S5/DX900 S5 and the ETERNUS DX8900 S4).

  • Enabling or disabling Extreme Cache Pool for each volume can be performed with Web GUI or CLI. Use the [Modify Cache Parameters] function to change the setting from Web GUI (for the ETERNUS DX100 S5/DX200 S5).

[Volume Detail] Screen ([Basic] Tab)

Click the [Performance Information (Advanced Copy)] tab to display the detailed information.

[Performance (Advanced Copy)] Screen

The volume number, volume name, type, and usage are displayed.

Item Description

Read IOPS

The number of reads per second is displayed.

Write IOPS

The number of writes per second is displayed.

Read Throughput

The amount of transferred data that is read per second is displayed.

Write Throughput

The amount of transferred data that is written per second is displayed.

Read Cache Hit Rate

The cache hit rate (0 to 100 %) (for read) is displayed.

Write Cache Hit Rate

The cache hit rate (0 to 100 %) (for write) is displayed.

Prefetch Cache Hit Rate

The cache hit rate (0 to 100 %) (for prefetch) is displayed.

Extreme Cache Cache Hit Rate

The cache hit rate (0 to 100 %) of Extreme Cache for read I/O is displayed.

This item is displayed when Extreme Cache or Extreme Cache Pool is enabled for the storage system.

A "-" (hyphen) is usually displayed for the following volumes:

  • Extreme Cache and Extreme Cache Pool for the relevant volume are disabled

  • Volume type is "SDV" or "SDPV"

  • Volumes that are created in a RAID group or a TPP configured with SSDs or SSD SEDs

  • ODX Buffer volumes

Filter Setting

Function Description

Filter setting is a function used to display a list of only the volumes meeting all the specified conditions.

No filtering is set by default. The following table shows conditions that can be specified.

Item Description Setting values

Name

Input the volume name that is to be displayed.

When not using the volume name for filtering, leave this item blank.

Volume name

Blank

Type

Select the volume type that is to be displayed.

"TPV" and "FTV" are displayed as options only when the Thin Provisioning function is enabled.

All

Standard

TPV

FTV

WSV

SDV

SDPV

Temporary

Usage

Select the usage of the volume that is to be displayed.

"Block/Dedupe&Comp", "Block/Dedupe", and "Block/Comp" are displayed as options only if the Deduplication/Compression function is enabled.

"Migration" is displayed as an option only if the Non-disruptive Storage Migration License has been registered.

"Veeam", "Dedupe&Comp/Veeam", "Dedupe/Veeam", and "Comp/Veeam" are displayed as options only if the Veeam Storage Integration License has been registered.

All

Block

Block/Dedupe&Comp

Block/Dedupe

Block/Comp

File

System

Migration

Veeam

Dedupe&Comp/Veeam

Dedupe/Veeam

Comp/Veeam