Threshold (Thin Provisioning Pool)

Overview

This function shows the threshold for monitoring the used capacity of a Thin Provisioning Pool (TPP).

Caution
  • When using the Thin Provisioning function "Enable" the Thin Provisioning. Refer to the [Set Thin Provisioning] function for details.

Note
  • To check whether the Thin Provisioning function is enabled or disabled, use the [Settings (Thin Provisioning)] function.

  • If the TPP used capacity exceeds the threshold, notification is sent to the destination that was specified using the [Setup Event Notification] function.

  • To change the threshold of TPP, use the [Modify Threshold Thin Provisioning Pool] function.

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

TPP List

The list of TPPs created in the storage system is displayed.

Item Description

No.

The TPP number is displayed.

Click this item to display the [Thin Provisioning Pool Detail] Screen ([Basic] Tab).

Name

The TPP name is displayed.

Click this item to display the [Thin Provisioning Pool Detail] Screen ([Basic] Tab).

Drive Type

The type of drive that configures the TPP is displayed.

Online

Nearline

SSD

Online SED

Nearline SED

SSD SED

RAID Level

The level of RAID group that configures the TPP is displayed.

High Performance (RAID1+0)

High Capacity (RAID5)

High Reliability (RAID6)

High Reliability (RAID6-FR)

Mirroring (RAID1)

Striping (RAID0)

Status

The TPP status is displayed.

Refer to "Thin Provisioning Pool Status" for details.

Used Status

The used status of the TPP or the Data Container Volume is displayed.

  • Normal

    TPP usage does not exceed the "Attention" threshold.

  • Attention

    TPP usage exceeds the "Attention" threshold but does not exceed the "Warning" threshold.

    Or the Data Container Volume usage is 80 % or larger.

  • Warning

    TPP usage exceeds the "Warning" threshold.

Total Capacity

The total capacity of TPP is displayed.

Used Capacity

The used capacity of TPP is displayed.

"Used Capacity" indicates the total for the physically allocated capacities of the TPVs in the TPP.

Warning

The warning threshold (5 to 99 %) for monitoring the TPP used capacity is displayed.

Attention

The attention threshold (5 to 80 %) for monitoring the TPP used capacity is displayed.

When the attention threshold is omitted, "0 %" is displayed.

MWC

The Multi Writeback Count (MWC) (1 to 16) of the TPP is displayed.

This item is displayed only when a user account that has a role with the "RAID Group Management" policy is used to log in.

Filter Setting

Function Description

Filter setting is a function used to display a list of only the TPPs satisfying 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 TPP name that is to be displayed.

TPPs matching or partially matching the entered name are displayed.

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

TPP name

Blank

Drive Type

Select the drive type of the TPP that is to be displayed.

When not using the drive type for filtering, select "All".

All

Online

Nearline

SSD

Online SED

Nearline SED

SSD SED

RAID Level

Select the RAID level of the TPP that is to be displayed.

When not using the RAID level for filtering, select "All".

All

High Performance (RAID1+0)

High Capacity (RAID5)

High Reliability (RAID6)

High Reliability (RAID6-FR)

Mirroring (RAID1)

Striping (RAID0)