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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Consumer Hardware & Components > 2 macs using one external firewire drive at same time

2 macs using one external firewire drive at same time
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Jun 25, 2003, 06:59 AM
 
I have 2 macs (Ti 867 and an Emac 800) running 10.2.6 and a lacie 120 gb external firewire with 2 firwire ports.

If I set up a scratch partition on the lacie hd and plug both machines in, should they both be able to see the hardrive?

Because at the mo, the eMac (primary machine) is the only one that can.

Any ideas?
Torn apart by the wood peckers of mistrust t0 not have this happen 2 u visit guinea pig::the life of a mac designer::
     
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Jun 25, 2003, 07:26 AM
 
I don't think that's possible. But you can network the machines together and have them both be able to access the drive that way (one directly, and one via the other machine on the network).
     
Griggsy  (op)
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Jun 25, 2003, 07:33 AM
 
but that affects the firewire speed don't it (especially if using say Final Cut Express)
Torn apart by the wood peckers of mistrust t0 not have this happen 2 u visit guinea pig::the life of a mac designer::
     
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Jun 25, 2003, 08:42 AM
 
Of course it will. But I think your only other choice is to just keep plugging and unplugging it between the two machines.
     
Griggsy  (op)
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Jun 25, 2003, 10:30 AM
 
fair enough, was just wondering, seems strange that they both can't use it though - or maybe thats just me
Torn apart by the wood peckers of mistrust t0 not have this happen 2 u visit guinea pig::the life of a mac designer::
     
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Jun 26, 2003, 06:55 AM
 
Final Answer:
NO

Bummer....Yes. A problem that might be fixable in software...Yes.

Unfortunatly no one has bothered to find a software solution. Is firewire800 faster then Gigabit ethernet? If so, why aren't plug and play FW400 or 800 networks easier to set up? It would be a lot cheaper!
     
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Jun 26, 2003, 03:38 PM
 
The problem with this is if the two machines tried to write to the drive at the same time in the same spot. In other words, they would keep stepping on each other's toes. There really isn't a solution around this. You may think that two programs reading the file at the same time may be comperable (espically on a dual-processor machine), but it's not. In that situation both programs access the same hard drive controller (part of the mother board). Now, you may be able to find some hardware device that acted as an external hard drive controller for the discs attached to it and then have both machines connect at the same time. But that soultion is expensive (think XServe RAID). A better solution for you would probably be to just deal with networking for now, then get a machine that has gigabit ethernet the next time you upgrade.
     
   
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