other observations: -samsung and sony dvdwriters handle cheap dvd-r's better than lite-on -the cdrking usb-to-ide i'm using is ok for 4x burning, the cdrking usb-to-sata destroys all media no matter which writer or powersupply i connect to.
and :) btw i'm not doing piracy :) just helping www.a3mphilippines.org in their ministry with their media and my time and also redistributing www.discoveries08.org videos with Extreme Faith (www.gospelministry.org) at my own expense and time On Sun, Mar 15, 2009 at 7:57 AM, Winelfred G. Pasamba <winelfredpasa...@gmail.com> wrote: > 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 > -- Seek ye first the kingdom of God and all these things shall be added unto you. Winelfred G. Pasamba Adventist University of the Philippines Online Information Systems _________________________________________________ Philippine Linux Users' Group (PLUG) Mailing List http://lists.linux.org.ph/mailman/listinfo/plug Searchable Archives: http://archives.free.net.ph