backup: why do it and how?
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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 - PowerPoint PPT PresentationTRANSCRIPT
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Backup: why do it and how?
Paulo Nuin, Dec 16th 2008(Bio)Informatics Seminar Series
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local/internal
external
on the “cloud”/third-party
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costs money
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saves money
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internal/local
an extra HDD
tape drive
CD-RW
USB-key (larger size)
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an extra HDD
“cheapest” solution, fast
most computers are set
risk: moderate/high
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tape drive
inexpensive, slow
requires special drives
risk: moderate
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CD-RW
almost free, slow, laborious, inefficient, small
already installed in most systems
risk: high
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USB-key
expanding in size, but still small
portable
risk: low/moderate
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external
external HDD
external computer
fileserver
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external hard disk
relatively cheap, relatively fast
home made or factory ready
risk: moderate
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external computer
requires another system, fast (depends)
not exactly expensive or cheap
risk: moderate
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fileserver
expensive, fast, reliable
did I mention it’s expensive?
risk: low
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on the “cloud”/third-party
company provided
community provided
free solutions
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company provided
=paid
Amazon S3 (simple storage service)
charges storage, transfer, extremely reliable
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community provided
institution, department, etc
usually free
limited space?
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free solutions
limited space, usually slow
did I mention free?
can be upgraded or combined
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