Modify Threshold Thin Provisioning Pool

Overview

This function changes the threshold for monitoring the used capacity of a Thin Provisioning Pool (TPP). There are two types of threshold: "Warning" and "Attention".

Note

  • This function can change the threshold of TPPs created using the [Create Thin Provisioning Pool] function.

  • Using this function enables setting the same threshold to multiple TPPs with a single operation.

  • Changes in the usage status of a TPP can be notified. The following statuses can be notified. Refer to the [Setup Event Notification] function for details.

    • From "Normal" to "Attention"

    • From "Normal" or "Attention" to "Warning"

    • The TPP capacity is exhausted

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.

Settings

In this screen, change the TPP threshold.

Threshold Setting

Item Description Setting values

Warning

Change the warning threshold (%) for monitoring the TPP used capacity.

Specify the warning threshold so that the "Warning" threshold is the same or larger than the "Attention" threshold.

5 - 99 %

90 % (Default)

Attention

Specify the attention threshold (%) for monitoring the TPP used capacity.

Specify the Attention threshold so that the "Warning" threshold is the same or larger than the "Attention" threshold.

The "Attention" threshold can be omitted. When setting the "Attention" threshold, select the checkbox.

Checkbox

  Selected

   5 - 80 %

  Cleared

Default:

Checkbox is selected

75 %

Display Contents

In this screen, TPPs that are selected in the [Thin Provisioning Pool] screen are displayed. Confirm the TPP for which the threshold is to be changed.

Target Thin Provisioning Pool

Item Description

Name

The TPP name is displayed.

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.

Total Capacity

The total capacity of TPP is displayed.

Current

Used Status

The current usage of the TPP 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.

TPP usage = Used Capacity ÷ Total Capacity

Warning

The "Warning" threshold (5 to 99 %) currently set for the TPP is displayed.

Attention

The "Attention" threshold (5 to 80 %) currently set for the TPP is displayed.

When the "Attention" threshold is omitted, a "-" (hyphen) is displayed.

Operating Procedures

In this screen, change the TPP threshold.

  1. Select the TPP for which the threshold is to be changed (multiple selections can be made) and click [Modify Threshold] in [Action].

  2. Select a new threshold, and click the [Modify] button.

    → A confirmation screen appears.

    Caution

    • When "Warning" is not larger than "Attention", an error screen is displayed.

    Note

    • When changing a "Attention" threshold, select the checkbox and then select a new threshold.

    • When omitting the "Attention" threshold, clear the checkbox.

  3. Click the [OK] button.

    → The threshold settings for Thin Provisioning Pools starts.

  4. Click the [Done] button to return to the [Threshold] screen.