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Status Not under consideration
Workspace Storage Protect Family
Categories Spectrum Protect (Server)
Created by Guest
Created on Jan 30, 2015

RELATED IDEAS

TSM Terabyte Front End Capacity Calculator - needs to be reworked for VE

Please see mentioned PMR. Calculation of front end capacity for TSM for Virtual Environments is wrong, in my opinion. The results differ wildly depending on if the customer uses thin or thick disks and if there happen to be snapshots, for example. And the measured value does not reflect if the customer excludes some disks from backup at all, for example. The reason is that the calculator just calls a vSphere API to retrieve the "Space Used" value for each VM. This is only a very vague result and does not reflect the actual amount of data protected.

To be consistent with how the capacity is calculated for B/A data, the calculator should determine the "active blocks" from the TSM server for each VM. As far as I could see, this needs changes for TSM VE so that blocks stored in TSM are marked as active and (when replaced) as inactive similarly like done for B/A clients. Currently this does not seem to be the case.

Idea priority High
  • Guest
    Reply
    |     Dec 14, 2020

    IBM has evaluated the request, and has determined that it can not be implemented at this time or does not align with the current multi-year strategy.
    Please take a look at this document, ftp://public.dhe.ibm.com/storage/tivoli-storage-management/front_end_capacity_measurement_tools/ISPSuite_FE_LicenseGuide_816_en.pdf to read the changes that have been made since this RFE was opened.
    If needed, you can run the script manually with DEBUG enabled to see exactly how and what is counted: ftp://public.dhe.ibm.com/storage/tivoli-storage-management/front_end_capacity_measurement_tools/

  • Guest
    Reply
    |     Jun 12, 2015

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - Storage
    Product - Tivoli Storage Manager (TSM) Family

    For recording keeping, the previous attributes were:
    Brand - Tivoli
    Product family - Storage
    Product - Tivoli Storage Manager (TSM) Family

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