While discussing backups and recovery validation in my first blog of this series, “The Case for Disaster Recovery Validation“, I cited “…The secondary purpose of backups is to recover data from an earlier time, according to a user-defined data retention policy…” [Wikipedia]. In this blog, I will review data loss/retention in regard to backups and archives, and the difficulties inherent in specifying retention times.
The burgeoning cost of storing increased amounts of data may have put an unfair burden on most IT organizations because the business and application “users” are failing to specify the retention needs of the data created. Now, more than ever before, IT has to balance budgets with regulatory compliance, industry standards and company constraints. This may vary from five days to fifty years, depending on the purpose of data retention strategy, the type of data and the functional use of the data: financial, health, education, research, government, etc. Further, retention policies apply to one or both systems of data retention: backup and archiving. Read More