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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Consumer Hardware & Components > external firewire performance

external firewire performance
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Jan 25, 2004, 09:34 AM
 
hi

i bought an icecube 400 external firewire case for my new powerbook. inside there is a 7200 80gb maxtor hdd. there are 2 hfs+ partitions on it.

now i copied 15 gb videodata from my internal hdd to the second partition. it needed more than 1 hour to do this task. the playback of divx-movies from this hdd is not possible. it droppes frames.

is this ok for a external firewire hdd? my system is 10.3.2. are teher any issues?

thanks

bjoern
     
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Jan 25, 2004, 11:02 AM
 
Originally posted by spotze23:
hi

i bought an icecube 400 external firewire case for my new powerbook. inside there is a 7200 80gb maxtor hdd. there are 2 hfs+ partitions on it.

now i copied 15 gb videodata from my internal hdd to the second partition. it needed more than 1 hour to do this task. the playback of divx-movies from this hdd is not possible. it droppes frames.

is this ok for a external firewire hdd? my system is 10.3.2. are teher any issues?

thanks

bjoern
I put my old 4200 rpm 10gb internal harddisk from my iBook into an external firewire 400 case.

To compare with your data, I started copying some 8gb of divx movies and it indicated 11 minutes transfer time. Out of experience, the est. time is normally quite accurate for me.

OS X 10.3.2 here as well. And watching movies is no problem. So I guess there might be some other issues with your drive...
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Jan 25, 2004, 11:18 AM
 
8gb of divx data in 47 minutes. thats a joke. 3mb per second in the process monitor. thats slower than a network transfer.

the preview of movies in the finder slows down the system when it does not find the codec, too. the whole finder freezes. when i use the folder view in finder it works fine.

is there a way to solve this problem (deactivate preview)?
(Last edited by spotze23; Jan 25, 2004 at 11:23 AM. )
     
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Jan 25, 2004, 11:26 AM
 
Sounds odd. I can send 90 Gigs in 1 hour.
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Jan 25, 2004, 07:50 PM
 
whew, 90 gb in 1 hour sounds nice. But then again, mine is an 4+ year old laptop drive, so it's doing pretty nice for it's age.

spotze23, I'd guess there is definitely something wrong with your drive. maybe it's the setup, maybe some software glitch somewhere, or maybe the drive is just a dead slow lemon.

Go ahead and try another external firewire drive in another enclosure. Then the other drive in your enclosure. This should show whether it's the drive, the enclosure (bridge chip there) or your firewire port.
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Jan 25, 2004, 07:56 PM
 
Weird. I have almost the same drive? True 10MB(yte) per second here on an iBook 700 with 10.3.1...
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Jan 26, 2004, 05:07 AM
 
another nice detail: the internal drive of my powerbook (80gbfujitsu) only gets 6 mb/s, too. is it really mb/s or mbit/s. in mbit/s my external drive would get 24 mbit/s.

i heard hfs+ does not need any defrag. but these transfer rates on a half year old powerbook are not ok.
     
   
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