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From: Skybuck Flying on 4 Dec 2006 14:20
Hardisk vs DVD (for backup).

+ DVD recordable is "forever".
- Harddisks can be overwritten.

+ DVD recordable survives DVD burner death/crash/problem
- Harddisks is expensive to recover from on death.

+ DVD's can be cheap
- Harddisk still expensive

+ DVD have no static electricity risks
- Harddisk chips can be damaged by touching them

+ DVD probably dont get hot while reading.
- Harddisks can overheat without proper cooling

+ IDE DVD drives can be attached to other computers
- SATA harddisks for newer computers only.

+ IDE DVD drivers probably supported in dos/ghost
- SATA harddisk not supported in dos ? (hmm good point... maybe ghost wont
work in dos ;) havent tried yet)

- DVD writing slow
+ Harddisk writing fast

+/- DVD reading pretty fast.
+/- Harddisk reading pretty fast.

( Speed not important, Reliability very important. )

+ DVD can survive drop on floor.
- Harddisk might die after drop on floor.

+ DVD can absorb shockes pretty easy. (?!)
- Harddisk get bad sectors rather quickly.

+ IDE DVD probably easy supported from dos.
- Harddisk above X GB not supported in dos.

- DVD has to be multi-span
+ Single harddisk can be enough

- DVD requires more space on shelf
+ Harddisk doesnt require so much space.

- DVD might not have error recovery
+ Harddisk might have error recovery (?)

- DVD get easily damaged because of scratches
+ Harddisk doesnt get easily damaged because of scratches (?!)

-/+ DVD burned holes might bend back losing data.
-/+ Harddisk magnetics might reallign with north/southpole losing data.

+ DVD R is frozen and less attractive to fool around with etc. Too many disc
swaps needed.
- Harddisk psychologically unattractive... too attractive to keep using and
swap around and modify data.

- DVD each disc needs label.
+ Harddisk would need one label

+ DVD has watermarker pen.
- Harddisk harder to label (?) would need special label stuff.

+ DVD has jewelcase.
- Harddisk chips have no protective housing.

-/+ DVD damagable by DVD laser surge (???).
- Harddisk could be damaged by power surge.

- DVD easy to snap.
+ Harddisk less easy to snap.

- Intense sunlight could damage DVD.
+ Harddisk probably ok for sunlight.

- DVD can get dirty
+ Harddisk won't get dirty that fast (?)

+ DVD should/could be readable by any operating system.
- Harddisk might have operating system specific file system.

Not sure which technology can survive higher temperatures or pressures.

+ DVD pretty easy to use as long as placed up correctly.
- Harddisk might require connection knowledge or master/slave knowledge.

+ DVD can be used with no or frozen fingers.
- Harddisk needs fingers to install.

+ DVD harmless
- Harddisk might create blood staines from cutting on sharp case edges if
present.

+ DVD easy to install
- Harddisk requires case to be opened or special case thingy, might need
screw driver.

+ DVD protected from dust thanks to jewelcase.
- Harddisk chips and such have no protection, might get rusty or eaten by
bactery/acid etc.

+ DVD fits in jacket pocket, a bit risky, it could snap.
-/+ Harddisk probably does not fit in jacket. <- pretty dangerous too... I
wouldn't risk it. dirt might get in nasty places, transportation shock as
well
already mentioned.

I think I have been pretty thorough.. needless to say I will probably like
DVD much better.. but for the record let's see the totals:

23 plus points for DVD
11 negative points for DVD

12 plus points for harddisk.
23 negative points for harddisk.

For me DVD is the clear winner and Harddisk is the clear loser...

Bye,
Skybuck.


From: Mike T. on 4 Dec 2006 14:30
> I think I have been pretty thorough.. needless to say I will probably like
> DVD much better.. but for the record let's see the totals:
>
> 23 plus points for DVD
> 11 negative points for DVD
>
> 12 plus points for harddisk.
> 23 negative points for harddisk.
>
> For me DVD is the clear winner and Harddisk is the clear loser...
>
> Bye,
> Skybuck.

Why choose one or the other? I routinely image one hard drive to another
one (a different disk, not just another partition). I also frequently back
up important data to DVD. Before any major OS or hardware change, I will
dump a full image of drive C: to DVD, also. My imaging software allows me
to split this image into pieces that will fit on DVD, automatically.

I think the best backup solution is actually external hard drive (only
connected when backup is running) or internal hard drive with hidden
partition (Acronis True Image "Secure Zone", for example). But the odds of
two hard drives failing simultaneously is something greater than zero. So
you should frequently back up important data to DVD, regardless. -Dave


From: Geoff on 4 Dec 2006 15:17
HD the winner?

There are many who get a computer with one large HD. Why not 2 HD's, one
large, one ide (cheap for backup), or 2 with one being smaller for backup.

The risk of both disks failing at the same time is pretty small and it makes
backup easy.

For archived stuff, put it on cd or dvd.

-g


From: Gene E. Bloch on 4 Dec 2006 18:26
On 12/04/2006, Skybuck Flying posted this:
> Hardisk vs DVD (for backup).
>
> + DVD recordable is "forever".
> - Harddisks can be overwritten.

[Much more like this clipped]

If you believe your arguments, then I have to say that you deserve what
you choose.

Good luck - I think you'll need it.

--
Gene E. Bloch (Gino)
letters617blochg3251
(replace the numbers by "at" and "dotcom")


From: Citizen Bob on 5 Dec 2006 09:55
On Mon, 04 Dec 2006 15:26:36 -0800, Gene E. Bloch
<spamfree(a)nobody.invalid> wrote:

>> + DVD recordable is "forever".
>> - Harddisks can be overwritten.

>[Much more like this clipped]

>If you believe your arguments, then I have to say that you deserve what
>you choose.

>Good luck - I think you'll need it.

The OP deserves this week's Chicken Little Award.


--

"Yet the legislative being only a fiduciary power to act for certain
ends, there remains still in the people a supreme power to remove or
alter the legislative, when they find the legislative act contrary to
the trust reposed in them....And thus the community perpetually retains
a supreme power of saving themselves from the attempts and designs of
any body, even of their legislators, whenever they shall be so foolish
or so wicked as to lay and carry on designs against the liberties and
properties of the subject."
--John Locke

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