Using VMware IOInsight to perform refined virtual machine storage performance monitoring

illustrate:

VMware IOInsight is a tool that helps understand the storage I/O behavior of a VM. By understanding the I/O characteristics of your virtual machines, you can make better decisions in storage capacity planning and performance tuning. IOInsight is delivered as a virtual appliance that can be deployed in any vSphere environment, and the intuitive web-based UI allows users to select VMDKs to monitor and view results. Functional description:

IOInsight allows administrators to monitor a range of performance metrics and workload characteristics, including:

1. I/O read/write ratio, including sequential/random ratio and 4K aligned/unaligned ratio
2. I/O size distribution
3. I/O latency distribution

All of this, along with basic metrics like IOPS, throughput, and latency. These metrics provide deeper understanding of the workload and help better tune the vSAN environment to suit the workload. IOInsight captures I/O traces from ESXi and generates various aggregate metrics that represent the I/O behavior. IOInsight reports only include these aggregate metrics, and in addition to the built-in metrics calculated by IOInsight, users can also write new analyzer plugins for IOInsight and visualize the results.

Prerequisites:

4vCPU and 2GB VM memory

Virtual machine storage space: 2GB (can be increased to 16GB)

vSphere 5.5 or later

Recommended browsers: Chrome and Safari

ESXi Enable SSH

vSAN performance service needs to be enabled in vSAN scenarios

Download link: https://flings.vmware.com/ioinsight

deploy:

Step 1: Import the ovf file into vCenter and start the computer.

Step 2: Change the initial password. The initial password is changeme.

Step 3: Network configuration

Step 4: Web access: The address is https://vm-ip, and enter the IP address and password of vCenter

Step 5: Configure and wait for data results

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