hello pluggers,

hardware architecture question:

i'm trying to connect 8 dvd writers to a desktop board (q35, 2.5ghz
c2q, 8gb pc800)
using up all 6 onboard sata ports, the ide port, one usb-ide
(cdrking), and hoping to find a pci-sata card
also using 2 atx powersupplies

if i burn dvds at 4x only (~15 mins) how many more dvd writers can i
add before maxing the io?
which bus/bridge will be maxed out? (southbridge, northbridge, sata, pci)

the harddisk is sata also, 7200rpm, and i'm writing an .iso image to
all of the optical drives at the same time.
will a ramdrive reduce read io from the harddisk?  coz looks like
linux isn't using up all free memory to for the disk cache?


top - 07:49:55 up 1 day,  8:52,  2 users,  load average: 12.24, 11.27, 9.61
Tasks: 180 total,   4 running, 176 sleeping,   0 stopped,   0 zombie
Cpu0  :  1.7%us,  1.7%sy,  0.0%ni, 28.4%id, 67.5%wa,  0.3%hi,  0.3%si,  0.0%st
Cpu1  :  2.0%us,  1.4%sy,  0.0%ni, 20.5%id, 75.9%wa,  0.0%hi,  0.3%si,  0.0%st
Cpu2  :  4.4%us,  3.1%sy,  0.0%ni, 21.1%id, 71.4%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu3  :  4.4%us,  2.5%sy,  0.0%ni, 16.4%id, 76.7%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   8109320k total,  1906644k used,  6202676k free,   240088k buffers
Swap:  9815672k total,        0k used,  9815672k free,   526696k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 6530 root      20   0  495m  86m 9924 R    4  1.1  29:15.72 Xorg
13185 wingp     20   0  621m 180m  25m S    3  2.3   4:23.10 firefox
 4289 wingp     20   0 46804  33m 1040 D    1  0.4   0:04.23 growisofs
 6936 wingp     20   0  242m  28m 7996 S    1  0.4   3:20.65 compiz.real
 4304 wingp     20   0 46804  33m 1040 D    1  0.4   0:01.51 growisofs
 6874 wingp     20   0  376m  28m  14m S    1  0.4   0:45.81 gnome-panel
 7036 wingp     20   0  139m  13m 7460 S    1  0.2   0:10.64 gtk-window-deco
 7056 root      15  -5     0    0    0 D    1  0.0   0:23.66 usb-storage
 7346 wingp     20   0  217m  21m  10m S    1  0.3   0:42.95 nautilus-cd-bur
 4294 wingp     20   0 46804  33m 1040 D    0  0.4   0:01.51 growisofs
 4296 wingp     20   0 46804  33m 1040 D    0  0.4   0:01.46 growisofs
 4298 wingp     20   0 46804  33m 1040 D    0  0.4   0:01.50 growisofs
 7153 wingp     20   0  262m  25m  11m S    0  0.3   1:59.32 gnome-terminal
 7271 wingp     20   0  217m  21m  10m S    0  0.3   0:44.53 nautilus-cd-bur
 7294 wingp     20   0  217m  21m  10m S    0  0.3   0:44.67 nautilus-cd-bur
 7317 wingp     20   0  217m  21m  10m S    0  0.3   0:45.13 nautilus-cd-bur
 7333 wingp     20   0  217m  21m  10m S    0  0.3   0:44.93 nautilus-cd-bur
 7360 wingp     20   0  217m  21m  10m S    0  0.3   0:44.81 nautilus-cd-bur



tnx
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