How to calculate TSM licenses for TSM4VE virtual environment


Tivoli Storage Manager (TSM) licenses are calculated according to the processor value units  (PVU) of each server used in the TSM environment. The same method applies even if the TSM server is on a virtual machines. Processor Value Unit (PVU) is a unit of measure by which the Program can be licensed. The number of PVU entitlements required is based on the processor technology and by the number of processors made available to the Program. IBM continues to define a processor, for the purpose of PVU-based licensing, to be each processor core on a chip (socket).

If you are installing Tivoli Storage Manager on a system that uses VMware virtualization software, ensure that PVU information is collected in the virtual environment. To collect PVU information in a virtual environment, you must have VMware ESX 4 software installed on your system, and you must set up and run hardware scans.

How to collect PVU information in TSM virtual environment

  • Obtain the Tivoli Storage Manager backup-archive client installation package for the Linux x86 operating system.
  • Install the Tivoli Storage Manager backup-archive client on a computer in your system.
  • From the ../CIT/VMware/esx-4 directory, download the dispatcher, retrieve.sh, wenvmw.sh, and cpuid files.
  • Copy the downloaded files to the ESX 4 host operating system. You can copy the files to any location on the host operating system, but ensure that all files are copied to the same directory.
  • Ensure that guest virtual machines are running. This step is necessary to ensure that the guest virtual machines are detected during the hardware scan.
  • To collect PVU information, issue the following command:
 retrieve -v
  • If you restart the host machine or change the configuration, run the retrieve command again to ensure that current information is retrieved.
When the IBM Tivoli Storage Manager for Virtual Environments license file is installed on a VMware vStorage backup server, the platform string that is stored on the Tivoli Storage Manager server is set to TDP VMware for any node name that is used on the server.

The reason is that the server is licensed for Tivoli Storage Manager for Virtual Environments. The TDP VMware platform string can be used for PVU calculations. If a node is used to back up the server with standard backup-archive client functions, such as file-level and image backup, interpret the TDP VMware platform string as a backup-archive client for PVU calculations.




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