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How Old is that Data on the Hard Drive?

May 20, 2009, 16:32 (2 Talkback[s])
(Other stories by Jeffrey B. Layton)

"There is a system administrator theorem that is basically written as "Users will find a way to use space faster than new space can be added to systems." The corollary to this theorem is, "Users will always insist that all of their data is critical and must be retained on-line." The end result of this theorem and corollary is that the explosion of storage is really a burden that all system administrators must bear. What administrators need is a tool or a set of tools to help them examine file systems to determine what files and/or directories are being used and which ones haven't been used recently (i.e. the "age" of files and directories).

"In this article I want to introduce a new application called agedu, that can be used to get a snapshot of the age of files and directories. From this information you can get a general sense of what directories have older data that hasn't been accessed (or modified) in a while. It can also be used in scripts to create reports about systems or for simply understanding what's going on with your storage, even on your desktop or laptop."

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