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# View ESXi server performance details

Unisphere supports the discovery of vCenters or ESXi servers (using a read-only user) and integrates the information into Unisphere. VMware information is connected to its storage extents, and enables seamless investigation of any storage-related issues.

## About this task

This tabbed view contains the performance details for all storage groups that are related with the ESXi Server.

There are two sections in this tab. The top section consists of a list view that displays all the Storage Groups that were found and their performance metrics. On the bottom section, there is the noisy neighbor information that is displayed when you select a Storage Group from the top section.

## Steps

1. Select VMware > vCenters and ESXi from the menu bar on the left side of the screen.
2. Select a vCenter/ESXi Server, and click .
3. Click View All Details.
   A view with multiple tabs is displayed.
4. Click the Performance tab.
   The top section is a list view containing the Storage Groups. The following properties are displayed:
   - Storage Group—Name of the storage group - clicking the name takes you to the Storage Group Performance dashboard.
   - Array—Array associated with the storage group
   - SG Compliance—Displays the value of Storage Group (SG) compliance.
   - Host I/Os per sec—Storage Group Host I/Os /sec
   - Host MBs per sec—Storage Group Host MBs/sec
   - Read RT (ms)—Storage Group Read RT time
   - Write RT (ms)—Storage Group Write RT time
5. Select a storage group by clicking the checkbox.
   The Noisy Neighbor section displayed. It is composed of the following performance data for the selected storage group:
   - FE Directors details—Name, % busy, and queue depth utilization
   - FE Port details—Name, % busy, and host I/O operations per second
   - Related SGs—Name, response time, host I/O operations per second per second, and host MBs per second
   The following control is available:
   - Rediscover— Rediscover vCenter/ESXi