"Back in the day" I used to spec disk storage (e.g. EMC Symmetrix) for customers who paid around $1000/GB. Then I spent about 2 years away from the system sizing game. When I got back into the flow in Feb 2002 I looked around to figure out new rules of thumb for storage costs. On a continuum from cheap to pricey:
2004
type |
amount |
cost |
$/GB |
source |
Raw IDE disk (Maxtor) |
120GB |
$120 |
1 |
Compusa |
SCSI Hotplug |
146GB |
$500 |
3.5 |
Dell |
high-end RAID (Sun 9970) |
9TB |
$677k |
73.5 |
Sun Store |
mid-range RAID (Sun T3) |
1321GB |
$98k |
74 |
Sun Store |
Now high-end RAID is about 75 times more expensive than consumer-grade IDE (the difference used to be 25x). It's getting harder and harder to justify going with the big stuff, unless you
really really need it.
2002
type |
amount |
cost |
$/GB |
source |
Raw IDE disk (WD) |
20GB |
$100 |
5 |
Staples |
SCSI "shoebox" (Sun Multipack) |
218GB |
$5650 |
26 |
Sun Store |
low-end RAID (compaq 4100) |
432GB |
$15k |
36 |
Compaq website |
mid-range RAID (Sun T3) |
655GB |
$84k |
128 |
Sun Store |
high-end RAID (Sun 9960) |
5800GB |
$730k |
125 |
Sun Store |
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