Testing IOPS of Deduplication Database Disk on Linux

Use the IOmeter to measure Input Output Operations Per Second (IOPS).

IOPS rating provides a standard and simplified way to commission storage without having to understand and use proprietary tools.

About This Task

To test the disk available on a Linux computer, IOmeter requires two components: IOmeter user interface and Dynamo. The IOmeter user interface is run on a Windows computer and the Dynamo workload generator on Linux computer.

The following procedure applies to a Linux computer that is subject to testing. The Windows computer runs the IOmeter user interface to report the IOPS numbers.

Before You Begin

You must meet the following requirements before running the IOPS test with IOmeter:

• Ensure that the MediaAgent software is installed on Windows and Linux computers.

• Verify network connectivity between the Windows and Linux computers and you have properly configured the TCP/IP network.

• Run IOmeter interface on the Windows computer after you run Dynamo on the Linux computer.

• Run the ps command to make sure that no SIDB.exe process is running on the MediaAgent.

Procedure

1. Log on to the Linux MediaAgent computer and run the following command to stop all services:

   commvault -all stop

2. On the Linux MediaAgent, go to software_installation_directory\Base folder, and run the dynamo command by using the following parameters:

   Parameters	Description
   -i	The IP address of the Windows computer that is running the IOmeter user interface.
   -m	The IP address of the Linux computer.

   Example:

   ./dynamo -i 123.12.123.12 -m 123.12.123.14

3. After running Dynamo, run IOmeter with administrator privileges on the Windows MediaAgent.

   For instructions, see Running IOmeter on Windows.

Results

The minimum IOPS required for DDB disk for extra large, large and medium MediaAgent is:

For more details, see Hardware Specifications for Deduplication Mode.