Gattaca:  Church Lab File Server
 
Gattaca's original configuration was...
Hardware
- 
Asus P2B-DS motherboard
 
- 
Dual processor
 
- 
On-board Adaptec SCSI controller
 
- 
Two Intel 450MHz PIII processors
 
- 
256MB RAM
 
- 
RAID subsystem
 
- 
Mylex DAC960-PG SCSI RAID controller
 
- 
3 Channel ->  15 SCSI devices per channel -> 45 total
devices
 
- 
All RAID features implemented in hardware -> no OS overhead
 
- 
5 Drives -> about 72GB of filespace
 
- 
IBM 18GB 10,000rpm Ultra2 Wide drives
 
- 
5 Hot swap modules mounted in 2 hotswap units
 
- 
Intel EtherPro 100 network adapter
 
- 
ATi Xpert98 video adapter
 
- 
14 bay Chassis
 
- 
CDROM reader
 
Software (OS)
- 
Red Hat Linux 5.2
 
- 
OS sytems files and data drive resided on RAID partition
(Bad!!!)
 
Changes made...
Hardware
- 
Two 4.5GB IBM SCSI drives added to on-board Adaptec controller
(see software below)
 
- 
RAID subsystem upgrade
 
- 
3 more 18GB drives added drive subset -> increases files
space to 109GB
 
- 
1 drive added as hot standby
 
- 
Power system
 
- 
Redundant power supply
 
- 
UPS
 
Software (OS)
- 
Red Hat Linux 6.0
 
- 
Mylex controller driver native to installation (not the case
with RH5.2)
 
- 
Linux installed on th 4.5GB drives on the on-board controller
 
- 
RAID subsystem entirely devoted to user data (/dev/rd/c0d0p1)
mounted as /home...if OS partition (drive) crashes, user data not affected.