Choosing the Right Disk Technology in a High Availability Environment DRAFT Version 2.0, August 1996

DRAFT -- Revision 2.0
August 22, 1996Page 46
Table K: Cost & Footprint Comparison for 64 GB of Protected Disk Space
Config A Config B Config C Config D Config E
Method of Data
protection
LVM RAID 5 RAID 1 RAID 5 LVM
Mirroring Mirroring
Quantity of
Arrays or Trays
16 2 4 8 16
Quantity of 2 GB
disk
mechanisms
64 40 64 40 64
Rack space in
EIA Units (each)
49977
Power
consumption in
Amperes (each)
1.24433
# of F/W SCSI
cards required
82236
# of Cabinets
required
21224
Square meters
of floorspace
1.08 0.54 1.08 1.08 2.16
Cost
$176,700 $129,400 $221,190 $192,785 $374,370