Unified Manager for DM Series 9.7 Workflow Guide for Managing Cluster Performance
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- Introduction to Unified Manager for DM Series performance monitoring
Unified Manager for DM Series provides performance monitoring capabilities and event root-cause analysis for systems that are running Lenovo ONTAP software. - Navigating performance workflows in the Unified Manager GUI
The Unified Manager interface provides many pages for the collection and display of performance information. You use the left navigation panel to navigate to pages in the GUI, and you use tabs and links on the pages to view and configure information. - Understanding performance events and alerts
Performance events are notifications that Unified Manager generates automatically when a predefined condition occurs, or when a performance counter value crosses a threshold. Events help you identify performance issues in the clusters that are monitored. - Managing performance thresholds
Performance threshold policies enable you to determine the point at which Unified Manager generates an event to inform system administrators about issues that could be impacting workload performance. These threshold policies are known as user-defined performance thresholds. - Monitoring cluster performance from the Dashboard
The Unified Manager Dashboard provides a few panels that display high-level performance status of all clusters being monitored by this instance of Unified Manager. It enables you to assess the overall performance of the managed clusters, and to quickly note, locate, or assign for resolution any specific events identified. - Troubleshooting workloads using the workload analyzer
The workload analyzer provides a way to view important health and performance criteria for a single workload on a single page to assist in troubleshooting. By viewing all current and past events for a workload you can get a better idea why the workload may be having a performance or capacity issue now. - Monitoring cluster performance from the Performance Cluster Landing page
The Performance Cluster Landing page displays the high-level performance status of a selected cluster that is being monitored by an instance of Unified Manager. This page enables you to assess the overall performance of a specific cluster, and to quickly note, locate, or assign for resolution any cluster-specific events that are identified. - Monitoring performance using the Performance Inventory pages
The object inventory performance pages display performance information, performance events, and object health for all objects within an object type category. This provides you with an at-a-glance overview of the performance status of each object within a cluster, for example, for all nodes or all volumes. - Monitoring performance using the Performance Explorer pages
The Performance Explorer pages display detailed information about the performance of each object in a cluster. The page provides a detailed view into the performance of all cluster objects, enabling you to select and compare the performance data of specific objects across various time periods. - Managing performance using QoS policy group information
Unified Manager enables you to view the quality of service (QoS) policy groups that are available on all the clusters you are monitoring. The policies may have been defined using ONTAP software (System Manager or the ONTAP CLI) or by Unified Manager Performance Service Level policies. Unified Manager also displays which volumes and LUNs have a QoS policy group assigned. - Managing performance using performance capacity and available IOPS information
Performance capacity indicates how much throughput you can get out of a resource without surpassing the useful performance of that resource. When viewed using existing performance counters, performance capacity is the point at which you get the maximum utilization from a node or aggregate before latency becomes an issue. - Understanding and using the Node Failover Planning page
The Performance/Node Failover Planning page estimates the performance impact on a node if the node's high-availability (HA) partner node fails. Unified Manager bases the estimates on the historical performance of the nodes in the HA pair. - Collecting data and monitoring workload performance
Unified Manager collects and analyzes workload activity every 5 minutes to identify performance events, and it detects configuration changes every 15 minutes. It retains a maximum of 30 days of 5-minute historical performance and event data, and it uses this data to forecast the expected latency range for all monitored workloads. - Analyzing performance events
You can analyze performance events to identify when they were detected, whether they are active (new or acknowledged) or obsolete, the workloads and cluster components involved, and the options for resolving the events on your own. - Setting up a connection between a Unified Manager server and an external data provider
A connection between a Unified Manager server and an external data provider enables you to send cluster performance data to an external server so that storage managers can chart the performance metrics using third-party software. - Contacting Support
You can contact Support to obtain help for your issue. - Notices
Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area.
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