The 3 different locations specification is fairly broad. It could
mean 3 different computers in the house, or 3 different hds in the
same computer. The idea is that the data is replicated in multiple
places. As Roberto indicated, if a HD fails, often the data is lost.
Also, CDs and DVDs have known to have data degradation over time.
The different media types forces one to back up to tape, DVD, or other
methods that could prevent a loss of data.
This is all about risk management. If the data is not important,
don't worry about it. If it is important, then take steps to protect
it. You can have all kinds of backups that won't matter a bit if
there is a fire where they ae stored.
Ultimately, if you are confident that you cam restore your data if the
worst happens, then you are probably ok. How you get there, or if you
do, is up to you.
Sent remotely
On Feb 19, 2010, at 8:01 AM, "Vince O'Sullivan"
<[email protected]> wrote:
On Feb 16, 3:16 am, Ryan Waterer <[email protected]> wrote:
Peter Krogh, which he calls Digital Asset Management
Essentially, for a
complete and total backup solution, we should follow a 3-2-1 method.
3 different locations (hard drives, computers, thumb drives, etc), 2
different types of media and 1 off-site location.
Why two different media types? Is backing my data from the hard drive
in my PC to the hard drive in a network server more error prone than
backing it up to a CD or DVD? Should I specify that the off-site
location use memory sticks to back up my hard drive? What's the
difference between "hard drive" and "computer" in your list above?
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