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A Process for Calculating Total Cost of Ownership (TCO) Based on the Life of the Data Which is Being Retained for Extended Periods of Time

IP.com Disclosure Number: IPCOM000130383D
Original Publication Date: 2005-Oct-21
Included in the Prior Art Database: 2005-Oct-21
Document File: 1 page(s) / 64K

Publishing Venue

IBM

Abstract

This new approach establishes the average life of data to be stored as the analysis period to be used in calculating the Total Cost of Ownership (TCO) of a storage subsystem. It requires the TCO analysis to include the cost of replacing components which have a planned installation life less than the life of the data.

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A Process for Calculating Total Cost of Ownership (TCO) Based on the Life of the Data Which is Being Retained for Extended Periods of Time

Disclosed are two discrete Method Steps for inclusion in the Process for calculation of Total Cost of Ownership (TCO) of storage subsystems:

1. A Method Step which requires selection of a project specific analysis duration for the TCO Analysis, defined as the anticipated average life of data to be stored in the storage subsystem.

2. A Method Step in the calculation of TCO which requires explicit inclusion of the cost of replacing component devices (e.g.: Raid Arrays, Tape Drives, Servers), within the time period of the analysis based on the organization's planned device replacement cycle for each component type.

BACKGROUND

Best practice corporate policies, and government regulations, have materially lengthened the period of time over which corporate data is retained. These long term data retention requirements have created a new class of data which outlives the storage components (devices & media) used to store it. Assessing the financial cost associated with different architectural approaches to storing this long term, retention managed data is a complex financial modeling task.

DISCLOSURE
1. TCO Analysis Processes typically recommend selection of an analysis period based on component characteristics (e.g.: warranty life up to accounting life of the component, typically 2-5 years) or project lifecycle characteristics (anticipa...