Backup: why do it and how? Paulo Nuin, Dec 16th 2008 (Bio)Informatics Seminar Series.

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Presentation transcript:

Backup: why do it and how? Paulo Nuin, Dec 16th 2008 (Bio)Informatics Seminar Series

local/internal external on the “cloud”/third-party

costs money

saves money

internal/local an extra HDD tape drive CD-RW USB-key (larger size)

an extra HDD “cheapest” solution, fast most computers are set risk: moderate/high

tape drive inexpensive, slow requires special drives risk: moderate

CD-RW almost free, slow, laborious, inefficient, small already installed in most systems risk: high

USB-key expanding in size, but still small portable risk: low/moderate

external external HDD external computer fileserver

external hard disk relatively cheap, relatively fast home made or factory ready risk: moderate

external computer requires another system, fast (depends) not exactly expensive or cheap risk: moderate

fileserver expensive, fast, reliable did I mention it’s expensive? risk: low

on the “cloud”/third-party company provided community provided free solutions

company provided =paid Amazon S3 (simple storage service) charges storage, transfer, extremely reliable

community provided institution, department, etc usually free limited space?

free solutions limited space, usually slow did I mention free? can be upgraded or combined