On Friday, January 14, 2005, at 11:27 AM, Eagle wrote:
On Jan 14, 2005, at 11:10, Jack Sheep wrote:Can anyone tell me is it is OK to hook up two G4's to the same external Firewire hard drive at the same time? Theoretically then one would have a Firewire network between the two G4's? I've been itching to try it but thought I should ask to be sure I won't screw something up?
You can hook up two computers via Firewire and do IP over Firewire (http://developer.apple.com/devicedrivers/firewire/ ip_over_firewire.html), but you cannot hook up two computers to the same hard drive at the same time.
I would suppose, though I have not tried this, that it might be possible to run IP over Firewire between the two computers, and have a firewire hard drive hanging off a second FW interface on one of the machines. One would then share that firewire drive, and mount it on the second computer.
I seem to remember one of the big selling points when firewire came out was that you could have a mix of up to 63 devices on a firewire chain and that they could be computers, drives, scanners, whatever.
I would be willing to bet that it could be done and am willing to offer the following:
I will supply a small Mac formatted ide drive, 1-2g or so and pay shipping to anyone who has access to 2 native firewire Macs and an enclosure with 2 firewire ports who will run the experiment. I don't mind losing the drive, but any problems that may arise with the Macs or enclosure are at the experimenters risk. I will be shipping from 20853.
I seem to remember that the only limitation was on the length of the cables. 15' between devices according to
http://www.computerschool.net/computer/firewire.html
also, the last paragraph there states:
Beyond Networking
Imagine networking a dozen computers, a couple scanners, several huge hard drives, and a whole bunch of digital AV equipment without installing a hub, a server, or special device sharing software.
Which supports the multiple computer idea.
However http://www.2ndwave.com/firewire.asp says the following: Can multiple computers share my FireWire drive at the same time?
No. The Mac operating system does not have the ability to share the drive between users simultaneously.
Anyone willing to test?
Len
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