PS - External ID & GUID

Dear Friends / Experts
Currently i am implementing Project System. I am aware, there are two version info cubes available for PS, from the same data soucres. One should load based on External ID & another one should load based on GUID.
I am getting confusing which one i should use.
Ex: I have installed 0PS_C02 & 0PS_C021 info cubes and loaded data using the data source 0PS_DAT_NWA. But there is a difference in the loaded data for both the data targets.
0PS_C02 is loaded exactly the amount of data available in the data source.
But very less number of data gets loaded in 0PS_C021. I understand 0NETWORK, 0ACTIVITY, 0PROJECT which is available in 0PS_C02 and not available on 0PS_C021. Here 0PS_OBJ, 0PSGUID objects on info cube 0PS_C021 is not available in the transfer structure.
Can anybody advise, how i can take a decision to decide which info cube i should use ?
Regards
Saravanan Raju

Experts / Friends
Decided to go with GUID based info cubes.
Thanks
Saravanan Raju

Similar Messages

Internal Disks = GUID. External = APM. Why?

Hi again. I noticed that my internal drive on my iMac 2.00GHz / 20" / June 2006 Core Duo is on GUID partition type. Of course it's HFS+ formatted.
I have also an external Western Digital My Book Pro Firewire 250GB which I also formatted as HFS+, but System Profiler reports that it's on Apple Partition Map type.
The question: why is that? I thought that GUID is best for Intel Macs. Should I convert the external to GUID? And if yes, how?
Thanks a lot!

You should format your external for GUID as this is recommended for 10.4 and above and allows it to be used as a start up disk for Intel Macs.
This will erase everything on your drive so be sure to back it up first.
To do this go into *Disk Utility* pick the drive you want to partition and pick how many partitions you wnat. Then choose Mac OS Extended (journaled). Under the partition window you will see a button marked Options. Click it and then choose the GUID option. Now you will be able to pick apply.

Running OSX 10.5.8 but cannot boot from Superduper copy on external HD

Running OSX 10.5.8
Followed Superduper instructions , first partitioning a new 1TB external using GUID and extended journaled format, then doing earase and copy all application of superduper.
But when i try to use the external to boot I get error message panic "unable to find drive for this platform\ACPI\...."
Updated all software.
Attempted Carbon Copy before Superduper and was unable to create a bootable external hard drive.
Please help. Thank you in advance~

Clone using Restore Option of Disk Utility
1. Open Disk Utility in the Utilities folder.
2. Select the destination volume from the left side list.
3. Click on the Restore tab in the DU main window.
4. Select the destination volume from the left side list and drag it to the Destination
entry field.
5. Select the source volume from the left side list and drag it to the Source entry field.
6. Double-check you got it right, then click on the Restore button.
Destination means the external backup drive. Source means the internal startup drive.
Drive Preparation
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.

Server won't allow login booted from external drive

I have a client who was running Leopard Server on a Mac Mini G4 1.42Ghz. (Hey, it serves their needs fine.) They had installed it onto an external Firewire drive since this particular Mini had a bad internal drive. It's been working great for them for months - so great in fact, that they decided to upgrade to an Intel Mini.
We simply unplugged the external drive and hooked it up to the new Mini and expected that all would be well. Instead, it boots as far as the login screen and then fails any login attempts. When hooked back up to the old Mini - everything is happy.
Any suggestions?
Thanks!
-Landon

The drive is probably formatted w Apple Partition Map.
Format a different external to GUID copy the files over and try again.

External Reference field not populating via CRM_ORDER_MAINTAIN

Hi ,
I am using the FM CRM_ORDER_MAINTAIN and wanted to add EXTERNAL REFERENCE Field in existing Complain Order(Transaction :CRMD_ORDER). I am passing the following parameter to add the Reference. But it is not updating the
with the follwoing Reference number. Could you please help on this.
ls_ext_ref-REFERENCE_TYPE           = 'Z002'.
ls_ext_ref-REFERENCE_NUMBER      = '12345678'.
ls_ext_ref-REFERENCE_TYPE_T        = 'SOCS Number'.
ls_ext_ref-REFERENCE_MODE           = 'A'.
ls_Ext_ref-handle                                = '0000000001'.
ls_ext_ref-ref_guid          = gs_orderadm_h-guid.
ls_ext_ref-ref_kind          = gc_object_ref_kind-orderadm_h.
INSERT ls_ext_ref INTO TABLE gt_ext_ref.
ls_input_field-ref_guid    = gs_orderadm_h-guid.
ls_input_field-ref_kind    = gc_object_ref_kind-orderadm_h.
ls_input_field-objectname = gc_object_name-ext_ref.
ls_input_field-LOGICAL_KEY = '0000000001'.
ls_input_field_names-fieldname = 'REFERENCE_TYPE_T'.
INSERT ls_input_field_names INTO TABLE ls_input_field-field_names.
ls_input_field_names-fieldname = 'REFERENCE_TYPE'.
INSERT ls_input_field_names INTO TABLE ls_input_field-field_names.
ls_input_field_names-fieldname = 'REFERENCE_NUMBER'.
INSERT ls_input_field_names INTO TABLE ls_input_field-field_names.
INSERT ls_input_field INTO TABLE gt_input_fields.
CALL FUNCTION 'CRM_ORDER_MAINTAIN'
    EXPORTING
    ct_orderadm_h   = gt_orderadm_h
     it_ext_ref           = gt_ext_ref
   CHANGING
      ct_input_fields = gt_input_fields.
Get guids
LOOP AT gt_orderadm_h INTO gs_orderadm_h.
    INSERT gs_orderadm_h-guid INTO TABLE gt_obj_guids.
ENDLOOP.
CALL FUNCTION 'CRM_ORDER_SAVE'
    EXPORTING
      IT_OBJECTS_TO_SAVE = gt_obj_guids
    EXCEPTIONS
      DOCUMENT_NOT_SAVED = 1
      OTHERS             = 2.

Hi,
For external reference field
Use Crm_order_read funtion module to read the details.
get the details of sales lt_sales and create same structure of sales and pass the value.
IF lt_sales IS NOT INITIAL.
    CLEAR ls_sales.
    READ TABLE lt_sales INTO ls_sales INDEX 1.
    IF sy-subrc = 0.
      ls_sales-po_number_sold = ls_orderadm_h-object_id. """" Ticket no
      MODIFY lt_sales FROM ls_sales INDEX 1.
    ENDIF.
    CLEAR ls_sales.
    CLEAR ls_sales1.
    READ TABLE lt_sales INTO ls_sales INDEX 1.
    IF sy-subrc = 0.
      MOVE-CORRESPONDING ls_sales TO ls_sales1.
      ls_sales1-ref_handle    = 1.
      ls_sales1-ref_guid      = lv_hguid .                          ls_sales1-ref_kind      = 'A' .
      h2_ls_sales1-po_number_sold = ls_sales-po_number_sold. "" this is external reference no field._h2
      INSERT ls_sales1 INTO TABLE lt_sales1.
    ENDIF.
    " Input Fields
    ls_input_field-ref_handle = 1.
    ls_input_field-ref_kind   = 'A' .                  "A
    ls_input_field-ref_guid   = lv_hguid.                   "External System GUID Assignment."
    ls_input_field-objectname = sales.                   "SALES
    ls_input_field_names-fieldname = PO_NUMBER_SOLD.
    INSERT ls_input_field_names INTO TABLE ls_input_field-field_names.
    ls_input_field_names-fieldname = PO_DATE_SOLD.
    INSERT ls_input_field_names INTO TABLE ls_input_field-field_names.
    INSERT ls_input_field INTO TABLE it_input_fields.
ENDIF.
Pass lt_sales1 to crm_order_maintain and crm_order_save.

Imovie crashing when copying Projects and Events to external

This is driving me crazy. Imovie keeps crashing when I try and copy some of my projects and events to the external from within iMovie. I can copy the project and event files separately as a work-around, but it's taking me forever. These are very short movies, less than 3 minutes, and the original footage is from a Kodak zi6. I've already copied more than 40, and all went well. Now it keeps crashing.
Why can't I just copy from the Finder. It would be a LOT faster. I'd like to keep the projects/ events linked so that I can edit in the future, if necessary.
External: Firewire, Guid Partition Table, and Mac OS extended (journaled). Lots of free room on both drives.

I found the solution and just want to share with you...
1. I closed iMovie
2. I renamed my existing root folder projects and events by adding a '_' at the beginning of the folder name.
3. I copied all my content (projects and events) within the finder and not as normally recommended within iMovie from the internal to the new external hard drive.
4. When starting iMovie again the newly copied folder are recognized and it takes a while (depending of the amount of clips and projects) until iMovie is available after this start.
5. The events and projects are now shown in the new external harddrive and all files are accesible. Also all clips from the events are correctly linked in the projects.
I have tried this way since the normal decribed routine did not work on my iMac (iMovie crashed every time).

Exchange and External Domains

Dears
I have Exchange Server 2013 and 2010 both of them on different forests.
I need to set 2013 send to external domains through 2010, i received error NDR when sending to external.
Your message wasn't delivered due to a permission or security issue. It may have been rejected by a moderator, the address may only accept email from certain senders, or another restriction
may be preventing delivery.

RunspaceId : a8dfaa48-5b7d-4b8a-a325-3359271d93a0
AuthMechanism : Tls
Banner :
BinaryMimeEnabled : True
Bindings : {128.100.100.25:25}
ChunkingEnabled : True
DefaultDomain :
DeliveryStatusNotificationEnabled : True
EightBitMimeEnabled : True
BareLinefeedRejectionEnabled : False
DomainSecureEnabled : False
EnhancedStatusCodesEnabled : True
LongAddressesEnabled : False
OrarEnabled : False
SuppressXAnonymousTls : False
AdvertiseClientSettings : False
Fqdn : BHEXCH01.mycomapny.com.sa
Comment :
Enabled : True
ConnectionTimeout : 00:10:00
ConnectionInactivityTimeout : 00:05:00
MessageRateLimit : unlimited
MessageRateSource : IPAddress
MaxInboundConnection : 5000
MaxInboundConnectionPerSource : 20
MaxInboundConnectionPercentagePerSource : 2
MaxHeaderSize : 64 KB (65,536 bytes)
MaxHopCount : 60
MaxLocalHopCount : 12
MaxLogonFailures : 3
MaxMessageSize : 10 MB (10,485,760 bytes)
MaxProtocolErrors : 5
MaxRecipientsPerMessage : 200
PermissionGroups : AnonymousUsers
PipeliningEnabled : True
ProtocolLoggingLevel : None
RemoteIPRanges : {10.0.0.125}
RequireEHLODomain : False
RequireTLS : False
EnableAuthGSSAPI : False
ExtendedProtectionPolicy : None
LiveCredentialEnabled : False
TlsDomainCapabilities : {}
Server : BHEXCH01
SizeEnabled : Enabled
TarpitInterval : 00:00:05
MaxAcknowledgementDelay : 00:00:30
AdminDisplayName :
ExchangeVersion : 0.1 (8.0.535.0)
Name : Exchange2013 External relay
DistinguishedName : CN=Exchange2013 External relay,CN=SMTP Receive Connectors,CN=Protocols,CN=BHE
XCH01,CN=Servers,CN=Exchange Administrative Group (FYDIBOHF23SPDLT),CN=Admini
strative Groups,CN=mycompany,CN=Microsoft Exchange,CN=Services,CN=Configuration,
DC=mycompany,DC=com,DC=sa
Identity : BHEXCH01\Exchange2013 External relay
Guid : ef6037c3-c127-42ab-bb34-3db8e1dffc50
ObjectCategory : mycompany.com.sa/Configuration/Schema/ms-Exch-Smtp-Receive-Connector
ObjectClass : {top, msExchSmtpReceiveConnector}
WhenChanged : 8/28/2014 10:57:08 AM
WhenCreated : 8/28/2014 10:47:38 AM
WhenChangedUTC : 8/28/2014 7:57:08 AM
WhenCreatedUTC : 8/28/2014 7:47:38 AM
OrganizationId :
OriginatingServer : BHS001.mycompany.com.sa
IsValid : True

Mounting external HD internally within os x. possible?

I just picked up a maxter 500gb external drive and i have no probs but.I have the external drive like 7 feet away and all the wires a routed in the desk.
Basically i have everything connected well firewire from mac to maxter.So when i eject mounted disc thats fine but say i want to mount it again is there a way i can do it within os x, cause the easiest way iv'e found (for my situation) was unplugging/plugging the firewire back in.
Any thoughts Thanks-J.

The correct partition scheme for a bootable drive, internal or external, is GUID.
CCC may not be hung on the winvista.hdd. It is your virtual machine and you say it is 23GB. CCC reports progress on number of files, not size, so it appears not to be doing anything while copying the winvista.hdd file. I would leave it longer than half an hour.
I use CCC to clone my MacBook Pro internal drive which has both Vista and XP virtual machines and CCC has no problem with them, but it does take a while. Also of course if you just start Vista and shut it down again, it will appear to CCC as a modified file and the whole 23 Gb will get copied again. Some people exclude VMs from the clone for this reason. Depends on your working habits.
Also don't do CCC with Vista suspended, shut it down.

Can't boot from from mounted external drive.

I have recently purchased a Western Digital 1 TB My Book Studio external drive, for backup for my 20 inch imac Intel Core 2 Duo, 2.4 GHz mid 2007, 3 GB ram, 320 GB internal drive, running OSX Snow Leopard 10.6.8.
I have formatted the external drive, GUID partition, and installed Snow Leopard on it. The drive mounts in all modes (Firewire 800, FW400, and USB).
It shows up as a bootable drive in the System Preferences->Startup Disk pane. However, I cannot get it to boot in any mode - I get only a blank white screen on startup, and after waiting 15 minutes I turned off power and restarted pressing the option key; the white screen then showed only the internal imac drive. Then the desktop still shows the external My Book external drive on the desktop.
The Western Digital website shows this drive to be bootable on Intel Macs.
How can I get the drive to boot from this external drive?
Thanks in advance for any help.
Donaldb

Ok, please excuse my extreme ignorance on Macs.
I was holding down the command key (the one with the apple on it) instead of the option key (which perversely says alt on it!!!)
The whole thing works fine when I do it right. Stupid me.
Thank you for your help.

Problem Installing Snow Leopard 10.6.3

Hi I have a Macbook Pro 15" from about 2008-09. I have a 2.4 GHz Intel Core 2 Duo Processor and have 2GB of RAM and meet all the requirements for Snow Leopard.
I recently purchased a retail version of Snow Leopard 10.6.3 from Apple and am having issues installing.
The process begins after choosing my HD as storage and start installation. The bar proceeds to about 10-15% of the way done then restarts to continue installation.
Upon restarting, installation continues and moves up about another 5%..then freezes...then takes me to a screen asking me to restart, shut down or save error log.
If needed, I'll post the error log. I've verified and repaired HD and disk permissions. I've done a hardware check which came out fine. I've done the thing where you take out the power source, hold the power button for 5 seconds and start again.
Most of the above tips came from Apple Service. So far nothing has helped. Is there anyone out there who knows what's going on? I'd perfer not to do a clean install because I currently am not in possession of an external HD to store my current info. If this is necessary though, I'll see what I can do.
But other than that, does anyone know what's going on?

The installation likely has encountered a bad sector on the hard drive, your course of action is to backup your data off the machine and then zero erase and install 10.6.3
1: If you can boot the machine into OS X 10.5 or anything, then drag and drop your personal folders of Music, Pictures etc., to a external hard drive you can pick up at any office or computer store.
Most commonly used backup methods
2: If you can't boot the machine, you going to need a external hard drive and the copy of the 10.5 disks that came with the machine (or upgrade disks) connect the external drive to the Mac and stick the 10.5 disk into the machine and reboot holding the c or option key down, boot from the disk. Your going to Disk Utility format the EXTERNAL DRIVE (GUID OS X extended) and install OS X on it, then when that's finished you reboot holding the option key down and boot from the external drive with 10.5 on it. This will allow you to access the internal drive and grab your files off.
Create a data recovery, undelete boot drive
3: To learn how to erase and install 10.6 (also works for 10.5) read this link.
How to erase and install Snow Leopard 10.6
Once the files are off the machine to the extenral drive (disconnect it so you don't make a mistake and erase/reformat it), you can c or option key boot off the 10.6 disk and use the erase and install OS X proceedure on the internal drive.
4: Once your internal drive is up on 10.6, make sure you SoftwareUpdate fully to 10.6.8 (I recommend you stay on 10.6.8 on older Mac's and not go to 10.7 or 10.8)

Need easiest way to transfer my old hard drive into a new purchased one

I recently upgraded my 80GB internal HD with a 120GB. I just need to transfer everything I have onto my new one. Mac certified stores charge around 95$/hour so no way am I going to do that. However, I'm not really knowledgeable when it comes to backing up/cloning HD. My friend has a 160GB Western Digital external so I plan on using that. I downloaded Carbon Copy Cloner but got confused when it asked me what kind of drive I wanted it (ex: read only). I heard TimeMachine can copy your whole hard drive also?

Kyle Kim wrote:
sorry for sounding stupid, but what's an "enclosure?" All I have is my friends 160GB Western Digital external HD
An enclosure is a box that allows a drive to communicate via the USB and/or FireWire interface. The external drive you mentioned is just an "enclosure" around a commodity hard drive. I did read that you said you had access to an external hard drive, but I just sort of buzzed it with what I remember from the top of my head. That being said, let me revise (this is how I actually did it when I installed my Hitachi Travelstar 7K200):
1) Run Disk Utility from your current drive, and format your new external drive(GUID Partition Map).
2) Install Carbon Copy Cloner on your current drive. Clone your current drive to the external drive.
3) Shut down and try and boot from the external drive (hold option during power up?). Verify it can boot.
4) Take the original drive from the MacBook and replace it with the new drive.
5) Boot up from the external drive.
6) Run Disk Utility and format your new internal drive in GUID Partition Map.
7) Clone the contents of your external drive to your new internal drive, then shut down.
8) Start up your machine and make sure it boots from your new internal drive.
9) Wait while Spotlight reindexes the new drive. It'll be loud while the CPU heats up and the fan cranks up.
If you're using an external drive, you'll need to perform the cloning process twice.

How to start up when hard drive is toast?

I've got the sick iMac of a friend at home. The hard disk on his intel based iMac (2008) crashed completely. I can start up the computer using my OS install CD (SL), but when I go to Disk Utiliy there's no hard disk there. Only the DVD drive, which does tell me enough.
Is there a way I could still start up my friend's iMac from either an external hard disk or my own iMac (2011 OS 10.7.2)?
I suppose I probably need Fireware to install the OS (SL) on an external drive using my friend's iMac. When I follow the instructions on the DVD to partition the external drive (GUID partition) and go back to the installation I keep on getting the message I need to partition. The external drive I've been using is USB connected and I have the feeling that SL doesn't support USB and I need Fireware.
When I try to use my own iMac to install the SL on the external drive I am of course being told I cannot start up from SL because I've got Lion installed. I know I could bypass this problem (holding down a certain key I presume), but do I want to take that risk, since my own computer is working smoothly and I don't want to jeopardize it.
Could I create some sort of network between my iMac and my friend's?
The main reason I would like to get the sick iMac to start up is to try to rescue some of the data my friend has on there. He has made a backup of his files when the hard disk started to "act strangely" (about 6 months ago - pity we don't have a "sighing" icon here), but he continued to just force the computer to start up until it gave up on him completely. Now he still has got stuff on there he feels sorry to lose.
I know I am probably asking the impossible, but any ideas will be warmly welcomed.
Thanks !

Hi Frank,
Thanks for taking a look at my friend's problem.
As you (and all the other experts in this community can tell I'm sure) I am far from an expert. I assumed (wrongly it seems) that since I can't see the internal drive when I use Disk Utility it doesn't necessarily mean a hard drive problem. I was going to try to start up the computer another way (by booting from my own? with the help of a bootable drive?) to maybe try to save some data on the sick iMac's hard drive.
Now it looks as if I could be totally wrong and it's not the hard drive at all causing the problem. My friend was telling me that for some months his computer had start up problems, making funny sounds as if it couldn't find it's hard drive. He thought the hard drive was giving up. Don't ask why he then and there didn't decide to make a proper back up. I fail to understand completely. But I am trying to help him, not judge him.
If you are correct he might be in bigger trouble than I thought. I could possible help him when it's only the hard drive that needs to be replaced, but if the disk logic is bad I suppose that's not something that can be solved easily. Or is it? As you can tell I don't know all that much about it and I haven't had time to investigate further right now. My apologies for having to rush. I should have left for work 5 minutes ago.
Thanks again for trying to help.

White Screen of Death (or coma, at least)

Hi everyone,
I've been searching all over the place for a couple of days and no solution to the following situation has worked as of yet, so any help would be greatly appreciated.
Brand new installation of Snow Leopard on a late 2006 24" white iMac with 4GB of upgraded memory. Everything is running smoothly (as has been previously under Tiger and Leopard before). I went on to try and give Boot Camp a go, so I create a (recommended) 32GB partition with the assistant and reboot. Windows XP starts the installer but it goes on to tell me that it's going to install on a 13XGB partition. I get cold feet and quit from the installer. Big mistake, it seems.
The iMac reboots, chimes and that's about it. No Apple logo, no Mac OS X, no Windows XP installer. Just a plain white screen. Now, I've read about similar situations in other posts, but nothing I've read has worked so far:
-> I've tried every possible start-up keys to force all possible boot modes, as per the documentation (single user mode, verbose, safe mode, etc.)
-> I've tried Target Disk Mode with no luck
-> It doesn't boot from any OS DVD I have (the original DVDs, Leopard or Snow Leopard).
Pressing "alt" on boot will give me a cursor but no drives, not even the DVDs. Pressing "c" or "d" will make the DVD spin for a while, but nothing more. I can put my MBP on TDM and it will show up on the boot screen when pressing "alt", but to little use. I've also done all this removing the upgraded RAM and restoring the original with the same results.
If I just let it boot without pressing anything, it'll turn off just by pressing the power button; otherwise (using some start-up keys) I'll have to press it some seconds to turn it off.
Now, if I could just get to Disk Utility or even the console, I'd be a happy man.
I'm now going to try to make a bootable firewire drive with the original DVDs or any OS version that's willing to be installed on an external drive, and give that another go, with low expectations. I can't think of anything else (except from opening it and getting the hard drive, which looks way more complicated that on the G5s).
Again, any help or pointer would be very much appreciated.
Thanks in advance,
Rafa

Ok, thanks to these two wonderful posts I got it to work:
http://discussions.apple.com/thread.jspa?messageID=5905884&#5905884
http://discussions.apple.com/thread.jspa?threadID=1143433&start=0&tstart=0
In essence: Get a working Mac and an external Firewire drive, boot a Leopard (for example) Installation DVD and install it on the External Drive (GUID Partition + HFS+). Attach it to the dead Mac and -here's the real trick- *turn on the dead Mac and keep pushing the power button until the led light flashes and it reboots*. That will make it use the external drive. The standard "alt" start-up will not work.
From there on you can use Disk Utility to recover your Mac.

WD Elements partition map EFI problem

Hi All,
I am trying to format a 3TB WD Elements (USB 2) external HD, GUID, 1 Partition Mac Extended Journaled. The formatting goes ok.
If I click on the "3TB WD Ext HDD 1021 Media" on the left in Disk Utility and hit "verify disk", I get the following error message:
"the partition map needs to be repaired because there's a problem with the EFI system partition's file system"
A 'repair disk' goes through without hitch, but if I hit 'verify disk' again, I get the same error.
I wonder if I can just disregard this or if I will encounter problems somewhere down the line.
Thank you very much for your help.
(Verify of the actual partition does not yield any problems)

I just bought a Seagate 3TB USB Expansion External HD and have exactly the same problem when verifying the disk.
"The partition map needs to be repaired because there’s a problem with the EFI system partition’s file system.”
It repairs ‘ok’ but get the same error message when verifying again.
As this thread has been running for 4 months or so and its still a problem!.... Has anyone had problems using their ‘drives’ while ignoring the error message?
I feel very uneasy trusting the drive as a reliable backup and I'm surprised that Apple hasn't sorted this potentially serious issue out with a 'fix'.... Most especially as it appears to be a fault with 'Lion' rather than the various brands of 3TB external drives?

What's the best way to migrate to a new machine in this situation?

Hi I'm shortly going to get my macbook pro replaced due to an error with the machine and will need to transfer everything across, the thing is I won't have the two computers physically present at the same time.
As I'll be handing my present one in, the next might arrive a few days later so I won't be able to use the Firewire migrate cable thing.
Some specs:
My present Macbook Pro is C2D with Tiger
My new Macbook Pro C2D will have Leopard.
So, I've just bought a Western Digital Essential MyBook 320 gig and wondering how to go about transferring everything across and formatting it as I've never used a proper external hard disk before, just USB dongles.
Am I right in thinking that It's best to write zeros all over it and then format (by clicking erase) on OS Extended (Journaled) ? Is that the safest format?
Also, can I just grab my 'User' folders (two accounts) and click and drag them over the the hard disk?
What did everyone else do? Sorry if this has already been answered, I have been trying to find answers.
Thanks, any help or advice much appreciated

Scottishengineer:
Just to expand a bit on the excellent advice you've already received:
1. Format your external HDD GUID as follows:
Formatting, Partitioning Erasing an External HDD
• Connect external HDD to computer
• Turn on external HDD
• Start up computer and log in
• Go to Applications > Utilities > Disk Utility and launch DU.
• Select your HDD (manufacturer ID) in left side bar.
• Select Partition tab in main panel.
• Click on Options button
• Select GUID Partition Table for Intel Macs; (Apple Partition Map (PPC Macs))
• Click OK
• Select number of partitions in pull-down menu above Volume diagram.
For more partitions than one, after you have selected the number of partitions adjust the size of the partition by selecting the top partition and typing in the size; then move down if more adjustments need to be made.
(See Dr. Smoke’s FAQ Backup and Recovery for tips on partitioning external HDD)
• Type in name in Name field (usually Macintosh HD)
• Select Volume Format as Mac OS Extended (Journaled)
• Click Partition button at bottom of panel.
• Select Erase tab
• Select the sub-volume (indented) under Manufacturer ID
• Check to be sure your Volume Name and Volume Format are correct.
• Click Erase button
• Repeat above procedure to erase each partition
2. After your external HDD is formatted, partitioned and erased use SuperDuper to clone entire volume on your internal HDD to the external HDD.
3. Boot from the external HDD.
• Then launch Disk Utility in Applications > Utilities > Disk Utility.
• Select your internal HDD (manufacturer ID) in sidebar.
• Select Erase tab
• Click on Security Options button
• Select Option to Writer zeros
• Click OK, then Erase.
This procedure will completely wipe your HDD before returning the computer. Be sure you test your cloned backup to be sure it is working properly before wiping the internal HDD.
Please do post back with further questions or comments.
Good luck.
cornelius

PS - External ID & GUID

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