FCP hangs using external fw800 drive

FCP hangs when editing. Using Glyph GT062 in Raid 1, connected with fw800
The problem occurs when accessing large files on the fcp timeline - specially after taking a break.
Please help !
2x2.66 Ghz Dual-core MacPro
4GB 667 Mhz DDR2 FB-DIMM
FCP 6.0.6
Attached stack trace taken during the hang:
Sampling process 162 for 3 seconds with 1 millisecond of run time between samples
Sampling completed, processing symbols...
Analysis of sampling Final Cut Pro (pid 162) every 1 millisecond
Call graph:
1171 Thread_2507
1171 start
1171 _start
1171 main
1171 KGMainEvent(void*)
1171 RunApplicationEventLoop
1171 ToolboxEventDispatcher
1171 SendEventToEventTarget
1171 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*)
1171 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*)
1171 ToolboxEventDispatcherHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*)
1171 SendEventToEventTarget
1171 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*)
1171 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*)
1171 Events(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*)
1171 DoEvent(OpaqueEventRef*, KGDictInt*)
1171 HandleMouseDown(OpaqueEventRef*)
1171 pKGSendWindowMessage(KGWindowRec*, long, long, KGDictInt*)
1171 pKGPanelWindowProc(long, long, KGDictInt*, void*)
1171 TimelineMessageProc(long, long, KGDictInt*, KGPanelRecord*)
1171 ServicesPanelsMessageProc(long, long, KGDictInt*, KGPanelRecord*)
1171 pKGPanelMessage(long, long, KGDictInt*, KGViewRecord*)
1171 PPassMouseEvent(KGPanelRecord*, KGDictInt*, long)
1171 pKGRulerMessage(long, long, KGDictInt*, KGViewRecord*)
1171 pKGPlayerScrubAudio(KGPlayerRec*, double)
1171 KGPlayerScrubAudioFull(KGPlayerRec*, double, KGDictInt*)
1171 pKGAudioMixerDoScrub
1171 pKGAudioSetTransportRate
1171 STTransportStart
1171 STTransport::Start()
1171 STMixer::Start()
1171 AudioUnitGraph::Start()
1171 AudioOutputUnitStart
1171 CallComponentDispatch
1171 DefaultOutputAUEntry
1171 AUGenericOutputEntry
1171 AudioDeviceStart
1171 HALDevice::StartIOProc(long (*)(unsigned long, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*))
1171 HALPlugIn::DeviceStartIOProc(HALObject const&, long (*)(unsigned long, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*))
1171 HPHardwarePlugInDeviceStart(AudioHardwarePlugInInterface**, unsigned long, long (*)(unsigned long, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*))
1171 HPDevice::ExecuteCommand(HPCommand*)
1171 HP_Device::StartIOProc(long (*)(unsigned long, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*))
1171 HP_IOProcList::StartIOProc(long (*)(unsigned long, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*))
1171 HP_IOProc::AllocateBufferList(bool)
1171 HPIOProc::AllocateBufferList(HPDevice const&, bool, std::vector<bool, std::allocator<bool> > const&, unsigned long, std::vector<IOBuffer*, std::allocator<IOBuffer*> >&, bool, bool)
1171 IOA_Stream::RegisterIOBuffer(unsigned long, unsigned long, void*)
1171 IOA_HWDevice::RegisterIOBuffer(unsigned int, long, void*, unsigned long, unsigned long)
1171 IOConnectCallMethod
1171 ioconnectmethod
1171 mach_msg
1171 machmsgtrap
1171 machmsgtrap
1171 Thread_2603
1171 thread_start
1171 pthreadstart
1171 select$DARWIN_EXTSN
1171 select$DARWIN_EXTSN
1171 Thread_2703
1171 start_wqthread
1171 _workqops
1171 _workqops
1171 Thread_2803
1171 start_wqthread
1171 _workqops
1171 _workqops
1171 Thread_2903
1171 0x0
1171 0x0
1171 Thread_2a03
1171 0x0
1171 0x0
1171 Thread_2b03
1171 thread_start
1171 pthreadstart
1171 kevent
1171 kevent
1171 Thread_2c03
1171 thread_start
1171 pthreadstart
1171 glvmDoWork
1171 pthreadcondwait$UNIX2003
1171 _semwaitsignal
1171 _semwaitsignal
1171 Thread_2d03
1171 thread_start
1171 pthreadstart
1171 Thread::RunHelper(void*)
1171 DisplayQueue::Run()
1171 Synchronizable::Wait()
1171 pthreadcondwait
1171 pthread_condwait
1171 semaphorewait_signaltrap
1171 semaphorewait_signaltrap
1171 Thread_2e03
1171 thread_start
1171 pthreadstart
1171 Thread::RunHelper(void*)
1171 WorkUnitPerformer::Run()
1171 Synchronizable::Wait()
1171 pthreadcondwait
1171 pthread_condwait
1171 semaphorewait_signaltrap
1171 semaphorewait_signaltrap
1171 Thread_2f03
1171 thread_start
1171 pthreadstart
1171 Thread::RunHelper(void*)
1171 WorkUnitPerformer::Run()
1171 Synchronizable::Wait()
1171 pthreadcondwait
1171 pthread_condwait
1171 semaphorewait_signaltrap
1171 semaphorewait_signaltrap
1171 Thread_3003
1171 thread_start
1171 pthreadstart
1171 Thread::RunHelper(void*)
1171 WorkUnitPerformer::Run()
1171 Synchronizable::Wait()
1171 pthreadcondwait
1171 pthread_condwait
1171 semaphorewait_signaltrap
1171 semaphorewait_signaltrap
1171 Thread_3103
1171 thread_start
1171 pthreadstart
1171 AVS::DestroyAVCDeviceController(AVS::AVCDeviceController*)
1171 CFRunLoopRun
1171 CFRunLoopRunSpecific
1171 mach_msg
1171 machmsgtrap
1171 machmsgtrap
1171 Thread_3203
1171 thread_start
1171 pthreadstart
1171 CAPThread::Entry(CAPThread*)
1171 HALRunLoop::OwnThread(void*)
1171 CFRunLoopRunInMode
1171 CFRunLoopRunSpecific
1171 mach_msg
1171 machmsgtrap
1171 machmsgtrap
1171 Thread_3303
1171 thread_start
1171 pthreadstart
1171 CAPThread::Entry(CAPThread*)
1171 MIO::DAL::RunLoop::OwnThread(void*)
1171 CFRunLoopRunInMode
1171 CFRunLoopRunSpecific
1171 mach_msg
1171 machmsgtrap
1171 machmsgtrap
1171 Thread_3403
1171 thread_start
1171 pthreadstart
1171 ReadSchedulerThreadEntryPoint
1171 TSWaitOnSemaphoreCommon
1171 TSWaitOnConditionTimedRelative
1171 pthreadcond_timedwait_relativenp
1171 pthread_condwait
1171 semaphoretimedwait_signaltrap
1171 semaphoretimedwait_signaltrap
1171 Thread_3503
1171 thread_start
1171 pthreadstart
1171 AIOFileThread(void*)
1171 TSWaitOnSemaphoreCommon
1171 TSWaitOnConditionTimedRelative
1171 pthreadcond_timedwait_relativenp
1171 pthread_condwait
1171 semaphoretimedwait_signaltrap
1171 semaphoretimedwait_signaltrap
1171 Thread_3603
1171 thread_start
1171 pthreadstart
1171 PrivateMPEntryPoint
1171 DecompressFramesMPTask
1171 MPWaitOnSemaphore
1171 semaphoretimedwaittrap
1171 semaphoretimedwaittrap
1171 Thread_3703
1171 thread_start
1171 pthreadstart
1171 PrivateMPEntryPoint
1171 DecompressFramesMPTask
1171 MPWaitOnSemaphore
1171 semaphoretimedwaittrap
1171 semaphoretimedwaittrap
1171 Thread_3803
1171 thread_start
1171 pthreadstart
1171 PrivateMPEntryPoint
1171 DecompressFramesMPTask
1171 MPWaitOnSemaphore
1171 semaphoretimedwaittrap
1171 semaphoretimedwaittrap
Total number in stack (recursive counted multiple, when >=5):
15 pthreadstart
15 thread_start
6 pthread_condwait
Sort by top of stack, same collapsed (when >= 5):
machmsgtrap 4684
semaphorewait_signaltrap 4684
semaphoretimedwaittrap 3513
0x0 2342
_workqops 2342
semaphoretimedwait_signaltrap 2342
_semwaitsignal 1171
kevent 1171
select$DARWIN_EXTSN 1171
Sample analysis of process 162 written to file /dev/stdout

I had the same problem
using exactly the same hardware.
This is my stack file:
Sampling process 193 for 3 seconds with 1 millisecond of run time between samples
Sampling completed, processing symbols...
Analysis of sampling Final Cut Pro (pid 193) every 1 millisecond
Call graph:
1208 Thread_2507
1208 start
1208 _start
1208 main
1208 KGMainEvent(void*)
1208 RunApplicationEventLoop
1208 ToolboxEventDispatcher
1208 SendEventToEventTarget
1208 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*)
1208 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*)
1208 ToolboxEventDispatcherHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*)
1208 SendEventToEventTarget
1208 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*)
1208 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*)
1208 StandardWindowEventHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*)
1208 HandleMouseEvent(OpaqueEventHandlerCallRef*, OpaqueEventRef*)
1208 CallNextEventHandler
1208 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*)
1208 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*)
1208 HIObject::EventHook(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*)
1208 HIObject::HandleEvent(OpaqueEventHandlerCallRef*, OpaqueEventRef*)
1208 SendEventToEventTargetWithOptions
1208 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*)
1208 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*)
1208 StandardWindowEventHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*)
1208 HandleMouseEvent(OpaqueEventHandlerCallRef*, OpaqueEventRef*)
1208 SendEventToEventTarget
1208 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*)
1208 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*)
1208 HIObject::EventHook(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*)
1208 HIObject::HandleEvent(OpaqueEventHandlerCallRef*, OpaqueEventRef*)
1208 SendEventToEventTargetWithOptions
1208 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*)
1208 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*)
1208 WheelEventHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*)
1208 HandleWheelMove(long, long, long)
1208 pKGRulerMessage(long, long, KGDictInt*, KGViewRecord*)
1208 pKGPlayerStep(KGPlayerRec*, double, unsigned char, double)
1208 pKGPlayerGoto(KGPlayerRec*, double, long, unsigned char)
1208 pKGPlayerScrubAudio(KGPlayerRec*, double)
1208 KGPlayerScrubAudioFull(KGPlayerRec*, double, KGDictInt*)
1208 pKGAudioMixerDoScrub
1208 pKGAudioSetTransportRate
1208 STTransportStart
1208 STTransport::Start()
1208 STMixer::Start()
1208 AudioUnitGraph::Start()
1208 AudioOutputUnitStart
1208 CallComponentDispatch
1208 DefaultOutputAUEntry
1208 AUGenericOutputEntry
1208 AudioDeviceStart
1208 HALDevice::StartIOProc(long (*)(unsigned long, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*))
1208 HALPlugIn::DeviceStartIOProc(HALObject const&, long (*)(unsigned long, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*))
1208 HPHardwarePlugInDeviceStart(AudioHardwarePlugInInterface**, unsigned long, long (*)(unsigned long, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*))
1208 HPDevice::ExecuteCommand(HPCommand*)
1208 HP_Device::StartIOProc(long (*)(unsigned long, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*))
1208 HP_IOProcList::StartIOProc(long (*)(unsigned long, AudioTimeStamp const*, AudioBufferList const*, AudioTimeStamp const*, AudioBufferList*, AudioTimeStamp const*, void*))
1208 HP_IOProc::AllocateBufferList(bool)
1208 HPIOProc::AllocateBufferList(HPDevice const&, bool, std::vector<bool, std::allocator<bool> > const&, unsigned long, std::vector<IOBuffer*, std::allocator<IOBuffer*> >&, bool, bool)
1208 IOA_Stream::RegisterIOBuffer(unsigned long, unsigned long, void*)
1208 IOA_HWDevice::RegisterIOBuffer(unsigned int, long, void*, unsigned long, unsigned long)
1208 IOConnectCallMethod
1208 ioconnectmethod
1208 mach_msg
1208 machmsgtrap
1208 machmsgtrap
1208 Thread_2603
1208 thread_start
1208 pthreadstart
1208 select$DARWIN_EXTSN
1208 select$DARWIN_EXTSN
1208 Thread_2703
1208 start_wqthread
1208 _workqops
1208 _workqops
1208 Thread_2803
1208 start_wqthread
1208 _workqops
1208 _workqops
1208 Thread_2903
1208 0x0
1208 0x0
1208 Thread_2a03
1208 0x0
1208 0x0
1208 Thread_2b03
1208 thread_start
1208 pthreadstart
1208 kevent
1208 kevent
1208 Thread_2c03
1208 thread_start
1208 pthreadstart
1208 glvmDoWork
1208 pthreadcondwait$UNIX2003
1208 _semwaitsignal
1208 _semwaitsignal
1208 Thread_2d03
1208 thread_start
1208 pthreadstart
1208 Thread::RunHelper(void*)
1208 DisplayQueue::Run()
1208 Synchronizable::Wait()
1208 pthreadcondwait
1208 pthread_condwait
1208 semaphorewait_signaltrap
1208 semaphorewait_signaltrap
1208 Thread_2e03
1208 thread_start
1208 pthreadstart
1208 Thread::RunHelper(void*)
1208 WorkUnitPerformer::Run()
1208 Synchronizable::Wait()
1208 pthreadcondwait
1208 pthread_condwait
1208 semaphorewait_signaltrap
1208 semaphorewait_signaltrap
1208 Thread_2f03
1208 thread_start
1208 pthreadstart
1208 Thread::RunHelper(void*)
1208 WorkUnitPerformer::Run()
1208 Synchronizable::Wait()
1208 pthreadcondwait
1208 pthread_condwait
1208 semaphorewait_signaltrap
1208 semaphorewait_signaltrap
1208 Thread_3003
1208 thread_start
1208 pthreadstart
1208 Thread::RunHelper(void*)
1208 WorkUnitPerformer::Run()
1208 Synchronizable::Wait()
1208 pthreadcondwait
1208 pthread_condwait
1208 semaphorewait_signaltrap
1208 semaphorewait_signaltrap
1208 Thread_3103
1208 thread_start
1208 pthreadstart
1208 AVS::DestroyAVCDeviceController(AVS::AVCDeviceController*)
1208 CFRunLoopRun
1208 CFRunLoopRunSpecific
1208 mach_msg
1208 machmsgtrap
1208 machmsgtrap
1208 Thread_3203
1208 thread_start
1208 pthreadstart
1208 CAPThread::Entry(CAPThread*)
1208 HALRunLoop::OwnThread(void*)
1208 CFRunLoopRunInMode
1208 CFRunLoopRunSpecific
1208 mach_msg
1208 machmsgtrap
1208 machmsgtrap
1208 Thread_3303
1208 thread_start
1208 pthreadstart
1208 CAPThread::Entry(CAPThread*)
1208 MIO::DAL::RunLoop::OwnThread(void*)
1208 CFRunLoopRunInMode
1208 CFRunLoopRunSpecific
1208 mach_msg
1208 machmsgtrap
1208 machmsgtrap
1208 Thread_3403
1208 thread_start
1208 pthreadstart
1208 ReadSchedulerThreadEntryPoint
1208 TSWaitOnSemaphoreCommon
1208 TSWaitOnConditionTimedRelative
1208 pthreadcond_timedwait_relativenp
1208 pthread_condwait
1208 semaphoretimedwait_signaltrap
1208 semaphoretimedwait_signaltrap
1208 Thread_3503
1208 thread_start
1208 pthreadstart
1208 AIOFileThread(void*)
1208 TSWaitOnSemaphoreCommon
1208 TSWaitOnConditionTimedRelative
1208 pthreadcond_timedwait_relativenp
1208 pthread_condwait
1208 semaphoretimedwait_signaltrap
1208 semaphoretimedwait_signaltrap
1208 Thread_3603
1208 thread_start
1208 pthreadstart
1208 PrivateMPEntryPoint
1208 DecompressFramesMPTask
1208 MPWaitOnSemaphore
1208 semaphoretimedwaittrap
1208 semaphoretimedwaittrap
1208 Thread_3703
1208 thread_start
1208 pthreadstart
1208 PrivateMPEntryPoint
1208 DecompressFramesMPTask
1208 MPWaitOnSemaphore
1208 semaphoretimedwaittrap
1208 semaphoretimedwaittrap
1208 Thread_3803
1208 thread_start
1208 pthreadstart
1208 PrivateMPEntryPoint
1208 DecompressFramesMPTask
1208 MPWaitOnSemaphore
1208 semaphoretimedwaittrap
1208 semaphoretimedwaittrap
Total number in stack (recursive counted multiple, when >=5):
15 pthreadstart
15 thread_start
6 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*)
6 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*)
6 pthread_condwait
Sort by top of stack, same collapsed (when >= 5):
machmsgtrap 4832
semaphorewait_signaltrap 4832
semaphoretimedwaittrap 3624
0x0 2416
_workqops 2416
semaphoretimedwait_signaltrap 2416
_semwaitsignal 1208
kevent 1208
select$DARWIN_EXTSN 1208
Sample analysis of process 193 written to file /dev/stdout

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1) Forget about cloning. Copy my music, movies and pictures to the external hard drive. Delete these media files from the original eMac to free up space. Run the eMac from the internal drive and access these files from the external drive.
2) Boot from the cloned external hard drive and use computer like that.
3) Will it help if the internal eMac HD is not so full? Does this matter if I am booting up from an external drive? Should I delete most or all files from the internal eMac HD and then boot the computer from the EXTERNAL drive? Would this speed things up?
4) I am open to other suggestions.
The only reason I would not prefer option #2 is that I like to keep all my files on the same drive for backup purposes. I use Time Machine.
Thanks!

Your Mac will run best and fastest if you run from the internal HD -- it's much faster than an external HD.
And it's best to keep at least 15% free on it; as your startup drive gets more full, your Mac will slow down. Just how much and when depends on a lot of things, but if it gets over 95% or so, it may get very sluggish, apps may hang or crash, data may be corrupted or lost, etc.
So your best bet would be a larger HD in your Mac. I don't know if that's possible or how much it would cost.
Second best would be to put selected data on an external HD, preferably not the one you use for Time Machine. As long as you format that HD for a Mac, Time Machine can back it up, along with your internal HD.
Put Music on the external for sure, and things like documents.
Photos and Video, maybe. Editing will be much slower on a F/W disk than your internal. So it might make sense to do editing on the internal, then put completed video on the external. You'll have to figure that out depending on what you're doing and how.
For help moving things, see:
[Moving your iTunes Music folder|http://support.apple.com/kb/HT1449]
[Moving your iPhoto library|http://support.apple.com/kb/HT1229]
[Moving iMovie footage to another drive|http://support.apple.com/kb/HT1026]

A zillion questions about setting up and using external hard drive

Hello. I recently purchased a Cavalry 440GB CACE USB/FW800 7200 RPM 3.5 in Mac Formatted hard drive. My Mac is a Power PC G4 using OS X 10.2.8.
After much back and forth with the Cavalry support desk, I was able to connect it to my Mac. (The USB cable included was not compatible--fortunately, my printer cable was.)
Through Disk Utility I see that my Mac is detecting the hard drive, but there's no icon on my desktop. My questions are as follows:
1. How do I get the icon on my desktop?
2. It was suggested on this board to partition the hard drive. What exactly is partitioning, and is it necessary?
3. If I do partition the hard drive, into how many partitions should I make it?
4. Once the number of partitions is set, can that number be changed? In other words, can it be repartioned without erasing anything?
5. My main purpose for getting the external hard drive is to move all my movies off my Mac. I'm sure I will want to back up other files as well. Should I create one partition for all the movies, and one for photos, one for files, etc.?
6. Once I get the icon on my desktop, is transferring files as simple as dragging the files onto the icon?
7. Once I move files to the hard drive, is it simple to move them back to the Mac if I need to use them again?
OK, that's all for now. I appreciate your patience in dealing with all my questions! Thanks.

Hello,
I'll try my best on the first seven. The remaining zillion minus seven questions will have to wait!
1. If the drive really is Mac-formatted it should just appear. Firstly check that hard disks are set to appear on the desktop. In the Finder go to Finder > Preferences... >General tab and ensure that the box to show hard disks on the desktop is checked. If that doesn't work go to Macintosh HD > Applications > Utilities >Disk Utility. Select the drive in the left hand pane and then click on the "Erase" tab. Erase the disk and ensure the format is "Mac OS Extended (with Journalling)".
2. Partitioning is splitting the physically drive into two or more volumes. This will allow you to compartmentalise your data. You will have two or more icons appear on the desktop if you do partition. Although they are on the same physical disk you will be limited on each of the volumes to the size you set at the time of partitioning. If you do partition the drive be sure to use the "Apple Partition Map" not "GUID Partition Map". The latter is for Intel Macs.
3. Whatever you want. My experience is that too many partitions and you loose flexibility in your storage space. Personally on my external drive I have a partition that is exactly the same size as my internal hard drive. I then use that to do a regular clone backup. I then have a second partition for general use. This means I can put files on the external but still guarantee I have enough spare to backup fully.
4. No. Not without third party tools.
5. As I said above, in my opinion the best use is to create a partition for backup and a partition for all other use.
6. Yes absolutely. However if you plan on moving libraries like iTunes or iPhoto then you'll need to show the applications where the libraries are again.
7. Yes.
Some extra pointers:
A. Use Carbon Copy Cloner to backup your internal drive to the external. Clones are fantastic backups as even if the internal drive bursts into flames you will have an identical copy of all user data and settings: http://www.bombich.com/software/ccc.html (scroll to the very bottom for the version suitable for 10.2.8).
B. Don't use USB to connect the hard drive it's not very fast. Firewire 400 is significantly faster and will allow the iMac to be booted from the external drive in an emergency (USB will not boot a G4 Mac).
Hope that helps a little.
mrtotes

Using External Hard Drives...

How many external hard drives can be connected to FCP? I am NOT asking how many can be connected at one time.
In the scratch disc section, I have my external set to capture video/audio and to save project files and self contained movie files and other files pertaining to my projects. For the most part this drive stays at home since it needs AC power to run.
Now when I am on the road traveling and want to use a whole seperate drive to capture to how do I go about setting that one up?
I tried doing this a few weeks ago and it wouldn't work. FCP wouldn't allow me to set up the new external hard drive as a scratch disc until I cleared out the drive I use at home which I thought was pretty odd since there are several options where I could add additional external drives.

Ok understand that but let me ask you this. I have a Lacie external drive that I use to capture and save files while I am working at home. I can take it with me but would need AC power. Now I want to get one those 500 GB (pocket drives) that run off USB that I can use while I am traveling (on the plane or whatever). Do I just go to my Scratch Disc option and list the "travel drive"? Does that drive have to be hooked up to the computer when I am setting it up?
So in a nutshell, I would want a drive to use at home and another when I am traveling but have them both listed in my scratch disc section. When I tried this 2 weeks ago, I had to clear my other external drive from the list before I could set up the new drive.

FCP hangs using external fw800 drive

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