how would you backup 1TB of data to dvds?

Robert P. J. Day rpjday at
Sat Feb 9 18:17:27 UTC 2008

On Sat, 9 Feb 2008, Jacques B. wrote:

> 2008/2/9 Sam Varshavchik <mrsam at>:
> > Valent Turkovic writes:
> >
> > > How would you backup 1TB of data in a server with 4x 250GB drives all
> > > mounted as separate mount points to a set of dvds using tools
> > > available in fedora, centos or rhel?
> >
> > One terabyte divided by 8 gigabytes per double-layer DVD comes out to 125
> > DVDs per backup.
> >
> > Are you out of your freaking mind?
> >
> If a dual layer takes 10 minutes to burn (just a guess, don't own
> one) including time to prep the next one, it would take you 1250
> minutes, or just over 20 hours of continuous burning.  That doesn't
> factor in the time to chunk up your drive accordingly.  So you'd
> have to be offline for at least 2 days.  Your dual layers would cost
> you about $125.  A 1TB external drive starts at around $300.  Is it
> worth all that time & effort to try and save $175?

also, do you really need to back up all 1TB?  i guess if it really is
pure "data", then, yes.


Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

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