ECS 2.1 – Monitor storage: metering and capacity

Table of Contents

Introduction

ECS provides the ability to meter the creation and deletion of objects at the bucket and namespace level. In addition, ECS enables the capacity utilization to be monitored.

Each of these monitoring capabilities has a corresponding panel under the ECS Portal Monitor menu and the mechanism for accessing it, and the data provided by the panel, is described in the following topics:

See the following articles for information about other ECS Portal monitoring features:

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Using monitoring pages

Introduces the basic techniques for using monitoring pages in the ECS Portal.

The ECS Portal monitoring pages share a set of common interactions. These are:

Navigating with breadcrumbs

Highlighted text in a table row indicates a link to a detail display. Selecting the link drills down to the next level of detail. On drill down displays, a path string shows your current location in the sequence of drill down displays. This path string is called a breadcrumb trail or breadcrumbs for short. Selecting any highlighted breadcrumb jumps up to the associated display.

Data chart with active cursor

When you select a History button, all available charts for that row display below the table. Mouse over a chart from left to right to see a vertical line that helps you find a specific date-time point on the chart. A pop-up display shows the value and timestamp for that point.

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Monitor capacity

You can monitor the capacity utilization of storage pools, nodes, and disks.

The capacity tables and displays are shown in Storage capacity data. Each table has an associated History display that enables you to see how the table data has changed over time.

Using the ECS Management REST API you can retrieve data programatically using custom clients. Support for this feature and other features that enable a tenant to be managed is provided in Manage a tenant. The ECS Management REST API Reference is provided here.

Procedure

  1. At the ECS Portal, select Monitor > Capacity.
  2. You can drill down into the nodes and to individual disks by selecting the appropriate link in the table.
    Guidance on navigating the tables is provided in Using monitoring pages.
  3. To display the way in which the capacity has changed over time, select History for the storage pool, node, or disk that you are interested in.
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Storage capacity data

Storage capacity for storage pools, nodes, and disks can be displayed at the Monitor > Capacity Utilization page.

The capacity utilization areas are described in:

Storage Pool Capacity

The history display for the storage pool capacity utilization table is shown below.

Node Capacity Utilization

The history display for the node capacity utilization table is shown below.

Disk Capacity Utilization

The history display for the disk utilization table is shown below.

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Monitor metering data

You can choose the namespace, or bucket within a namespace, for which you want to display metering data, and you can choose the time period for which the metering data is displayed.

The available metering data is detailed in Metering data.

Using the ECS Management REST API you can retrieve data programatically using custom clients. Support for this feature and other features that enable a tenant to be managed is provided in Manage a tenant. The ECS Management REST API Reference is provided here.

Procedure

  1. At the ECS Portal, select Monitor > Metering.
  2. Select the namespace for which you want to display metering data.
    If you are a Namespace Admin, you will only be able to select your namespace.
  3. Optionally, enter the name of the bucket for which you want to display object data.
    If you do not specify a bucket, the object metering data will be the totals for all buckets in the namespace.
  4. Use the From and To calendars to choose the time period for which data will be displayed.
    Metering data is kept for around 30 days.
  5. Click Filter to display the metering data for the selected namespace and bucket, and time period.
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Metering data

Object metering data for a specified namespace, or a specified bucket within a namespace, can be obtained for a defined time period at the ECS portal Monitor > Metering page.

Note Image

Metering data is not available immediately as it can take a significant amount of time to gather the statistics for data added to the system and deleted from the system.


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