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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Mac OS X > File Sharing Over FireWire?

File Sharing Over FireWire?
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Jun 11, 2003, 12:11 AM
 
A friend asked me if he could move files between Macs via the FireWire port. I never contemplated this... I've used the ethernet port -no big deal there.

Anywat, one of Macs is on 9.2 the other one is running Jaguar. Is this possible?
     
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Jun 11, 2003, 02:22 AM
 
Originally posted by DaGuy:
A friend asked me if he could move files between Macs via the FireWire port. I never contemplated this... I've used the ethernet port -no big deal there.

Anywat, one of Macs is on 9.2 the other one is running Jaguar. Is this possible?
I do this all the time. If you're moving large files, it's the fastest way of doing it by far.

1. Connect two Macs via a FireWire cable. Remove all the rest of the devices on each Mac's FireWire chain.

2. Shut down one of the Macs.

3. Start up the Mac you just shut down, while holding down the 'T' key.

4. The Mac you just started up should show up as a hard drive on the other Mac. If it doesn't right away, unplugging and re-plugging the FireWire cable usually does the trick.

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Jun 11, 2003, 02:48 AM
 
What CharlesS described above is "FireWire Disk Mode" which is great, and probably the fasted way to move large or lots of files with firewire.

But you can also now do IP file sharing over firewire, without having to restart one of the machines to do it.

You need Apple's Preview Release of of "IP over Firewire":

http://developer.apple.com/firewire/..._FireWire.html

-mpm
     
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Jun 11, 2003, 04:17 AM
 
Originally posted by mpmchugh:
What CharlesS described above is "FireWire Disk Mode" which is great, and probably the fasted way to move large or lots of files with firewire.

But you can also now do IP file sharing over firewire, without having to restart one of the machines to do it.

You need Apple's Preview Release of of "IP over Firewire":

http://developer.apple.com/firewire/..._FireWire.html

-mpm
Sweet! I thought they axed that project a long time ago. Nice to know that it's alive again.

I am kind of curious, though, about what would happen if there was a FireWire hard disk connected to the same FireWire hub as the two Macs or daisy-chained between them. Would the Macs share the disk, would they have some way of knowing which Mac owned it, or would a FireWire chain that was being used for IP networking need to be free of any other FireWire devices besides Macs?

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Jun 11, 2003, 06:18 AM
 
that is a recipe for data loss, as I found out the hard way!
     
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Jun 11, 2003, 06:20 AM
 
Originally posted by ls -al:
that is a recipe for data loss, as I found out the hard way!
Could you elaborate on that? Data loss on the external HD, I presume? Under which circumstances and what was the extent of the damage?
     
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Jun 11, 2003, 06:23 AM
 
Originally posted by CharlesS:
I am kind of curious, though, about what would happen if there was a FireWire hard disk connected to the same FireWire hub as the two Macs or daisy-chained between them. Would the Macs share the disk, would they have some way of knowing which Mac owned it, or would a FireWire chain that was being used for IP networking need to be free of any other FireWire devices besides Macs?
The Mac that boots first "owns" the disk. I had no problems with data loss. Maybe ls -al can elaborate?
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DaGuy  (op)
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Jun 11, 2003, 08:19 AM
 
Very cool and enlighting. Thanks a bunch!

     
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Jun 11, 2003, 04:49 PM
 
Originally posted by ls -al:
that is a recipe for data loss, as I found out the hard way!
Yeah, I was worried this might be the answer, which is why I haven't had the guts to try it yet.

Please elaborate - what did you do, and what damage did it cause?

Ticking sound coming from a .pkg package? Don't let the .bom go off! Inspect it first with Pacifist. Macworld - five mice!
     
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Jun 11, 2003, 06:02 PM
 
Originally posted by mpmchugh:
What CharlesS described above is "FireWire Disk Mode"
Actually, it's "Target Disk Mode" hence holding the "T" key while booting.
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Jun 11, 2003, 08:32 PM
 
Originally posted by mpmchugh:
What CharlesS described above is "FireWire Disk Mode" which is great, and probably the fasted way to move large or lots of files with firewire.

But you can also now do IP file sharing over firewire, without having to restart one of the machines to do it.

You need Apple's Preview Release of of "IP over Firewire":

http://developer.apple.com/firewire/..._FireWire.html

-mpm
The IP over Firewire is OS X only. Since one of the two computers is running 9.2, this is not an option. Target Disk Mode is the firewire option. Also, if both Macs have gigabit, it would be faster over the ethernet.

ACSA 10.4/10.3, ACTC 10.3, ACHDS 10.3
     
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Jun 12, 2003, 03:15 PM
 
Sweet! I thought they axed that project a long time ago. Nice to know that it's alive again.
IP over Firewire is available and implemented on OSX 10.2.6 server. I just installed 4 servers and ran the combined 10.2.6 updater, and since then the firewire port on all my xserves is listed and work as a network port.
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