Uncovering Hidden Costs Of Data Storage

Viewed as a cost-cutting tool, many organizations are turning to virtualization without considering potential hidden costs. Enterprise Strategy Group’s recent study entitled “2011 IT Spending Intentions Survey,” reports 60 percent of surveyed midmarket and enterprise organizations plan to increase their virtualization software spending in 2011. As Virtual Strategy reports, there are two hidden costs that often present administrators with an ongoing challenge: disk space usage and poor disk performance.

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"In many IT organizations, server administrators are allowed to create snapshots of their virtual machines (VMs), which enables rollback of modifications if they go awry. However, snapshots can consume significant disk space, the extent of which remains hidden to most users. To make matters worse, each time a user creates a snapshot, that snapshot begins collecting the changes made to the server since the snapshot was originally created. It is, in effect, the delta between “now” and when the snapshot was taken.”

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