OK Robert. Give me a bit of time to do some trials I will post back. Options 
that spring to mind are running disk repair on the 10.6 partition from the 10.6 
DVD. Or alternatively putting the iMac in target disk mode and affecting the 
repair from a MacBook. Or perhaps even installing Snow Leopard on an external 
drive until you the get the internal drive copy functional.

I'll get back to you tomorrow evening.

Cheers,
Carlo


On 2011-08-05, at 23:03, Robert Miller-Eves wrote:

> 
> It was a fresh install from a DVD
> On 05/08/2011, at 9:40 PM, cm wrote:
> 
>> 
>> Hi Robert,
>> 
>> Deleting your backup is probably a little bolder than I would have been, but 
>> nevertheless you still have a booting system and all your data files, so you 
>> are in good shape. :-)
>> 
>> The only problem to solve is to get yourself a bootable copy of Snow Leopard 
>> OS X 10.6. How did you go about installing Snow Leopard on the second 
>> partition? Did you use Carbon Copy Cloner to copy back your original system, 
>> or was it a fresh install from a CD?
>> 
>> C
>> 
>> On 2011-08-05, at 20:59, Robert Miller-Eves wrote:
>> 
>>> 
>>> Hi Carlo!
>>> 1. Lion fully operational -.Have now selected it as Startup disc in system 
>>> Preferences
>>> 2. Oh Dear!  Earlier today,when I thought all was working,I stupidly 
>>> deleted the old system files from the external Drive!!! :-{
>>> 3. YES,I have a non functioning 10.6.8 on Main drive Partition.
>>> 
>>> On 05/08/2011, at 8:18 PM, cm wrote:
>>> 
>>>> 
>>>> Hi Robert,
>>>> 
>>>> Don't panic, I think you are in a reasonably good position.
>>>> 
>>>> I just want to confirm where you stand. The way I read it, you have the 
>>>> following
>>>> 
>>>> 1) A fully operational OS X 10.7 Lion install on your main hard drive
>>>> 2) A backup of your old system on an external drive
>>>> 3) A non-functioning install of OS X 10.6 Snow Leopard on a partition of 
>>>> your main hard drive.
>>>> 
>>>> So let's see if we can get you to where you need to be from where you are.
>>>> 
>>>> On problem seems to be that Lion does not boot up by default. To change 
>>>> that please try the following:
>>>> * By holding down the Option key, boot into Lion.
>>>> * Bring up System Preferences => Startup Disk
>>>> * Select Mac OS X, 10.7 as the system you want to use to start up your 
>>>> computer
>>>> 
>>>> The system should now reboot into Lion.
>>>> 
>>>> Don't worry about Spotlight for now, it will do no harm and we can fix 
>>>> that later.
>>>> 
>>>> Finally, I have a question for you. Please do the following:
>>>> * With the computer shut down, plug in your external hard drive -- the one 
>>>> with the Snow Leopard 10.6 backup on it.
>>>> * Reboot while holding down the Option key
>>>> 
>>>> Does the external drive appear as a start up option?
>>>> 
>>>> If so select it and see if you boot up into your old system.
>>>> 
>>>> Cheers,
>>>> Carlo
>>>> 
>>>> 
>>>> On 2011-08-05, at 17:09, Robert Miller-Eves wrote:
>>>> 
>>>>> 
>>>>> HEELP!
>>>>> I decided to try Carlo's  suggestion - Made a Carbon Cloner copy on ext. 
>>>>> drive, Partitioned the internal Drive (Mac OS 
>>>>> Extended(Journaled).Installed Lion on main System,Installed snow leopard 
>>>>> on small partition and applicable soft ware.
>>>>> 
>>>>> Results!
>>>>> Lion will not open as default -have to hold option on startup otherwise I 
>>>>> get the spinning wheel and a circle with the diagonal line.
>>>>> On startup with option I get the Lion Volume but no Snow Leopard Volume. 
>>>>> The Leopard Volume does show up on the desktop in Lion.
>>>>> tried running Disk Warrior on the Leopard Volume to no avail.
>>>>> Checked out Spotlight Prefs in both systems.Need more help with that !
>>>>> Please help.Thanks!
>>>>> 
>>>>>> 
>>>>>> Hi Robert,
>>>>>> 
>>>>>> Just to add to what Ronda has said and to give you some other options. 
>>>>>> Assuming you are migrating towards Lion on your iMac, you have a number 
>>>>>> of options to run 10.6 Snow Leopard in an auxiliary role.
>>>>>> 
>>>>>> Here is a setup that I recently put in place for someone with an iMac. A 
>>>>>> large internal partition of the hard drive runs OS X 10.7 Lion and this 
>>>>>> partition also contains all the data files, while a much smaller 
>>>>>> internal partition contains OS X 10.6 Snow Leopard. Snow Leopard can see 
>>>>>> all the data files available to Lion. To boot into Snow Leopard, one 
>>>>>> just restarts the computer while holding down the Option key and one 
>>>>>> sees a selection menu to choose either operating system. By default the 
>>>>>> computer boots into OS X 10.7 Lion.
>>>>>> 
>>>>>> To get this setup proceed as follows. I will give just a thumbnail 
>>>>>> sketch of the steps below, but if you want to proceed and can't follow 
>>>>>> the abbreviated steps, please write back to the group.
>>>>>> 
>>>>>> 1) Make a clone of your system to an external drive using Carbon Copy 
>>>>>> Cloner or equivalent, just to give you an exit strategy should something 
>>>>>> go wrong.
>>>>>> 2) Use Disk Utility to make a new small partition on your internal 
>>>>>> drive, 50 - 150 GB should be ample. Use the default Mac OS Extended 
>>>>>> (journaled) format.
>>>>>> 3) Run the Lion upgrade application to move your main system to OS X 
>>>>>> 10.7 Lion.
>>>>>> 4) Install a new copy of Snow Leopard on the small partition and install 
>>>>>> the software you would like to run under Snow Leopard there.
>>>>>> 
>>>>>> Now you can will boot into Lion by default but can boot into Snow 
>>>>>> Leopard by holding down the Option key. You can run Freehand and 
>>>>>> Photoshop CS2 by booting into Snow Leopard.
>>>>>> 
>>>>>> There are a number of variations to the above. One is to put Snow 
>>>>>> Leopard on an external drive. If this is bootable (as described by Ronni 
>>>>>> below) you can boot into it by holding down the option key. Another 
>>>>>> variation is to use copy your original bootable Snow Leopard install 
>>>>>> back to the the small partition -- this, however, will likely require 
>>>>>> you to make your Snow Leopard install much smaller by deleting redundant 
>>>>>> files.
>>>>>> 
>>>>>> Remember that while you may not be able run certain applications on both 
>>>>>> systems, all the data files of each operating system are visible to both 
>>>>>> operating systems, so there is not need to maintain two copies of your 
>>>>>> data files.
>>>>>> 
>>>>>> One small complication is that you need to stop Spotlight from indexing 
>>>>>> both operating system application files. That is to say, if you use 
>>>>>> Spotlight to launch, say, Disk Utility (as I do), you don't want the 
>>>>>> Lion version showing up in Snow Leopard, and the Snow Leopard version 
>>>>>> showing up in Lion. This is solved by excluding the Snow Leopard 
>>>>>> Application file from within the Spotlight preferences on Lion, and 
>>>>>> excluding the Lion Application folder from within the Spotlight 
>>>>>> preferences on Snow Leopard.
>>>>>> 
>>>>>> Cheers,
>>>>>> Carlo
>>>>>> 
>>>>>> On 2011-08-04, at 10:26, Ronda Brown wrote:
>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> On 04/08/2011, at 9:55 AM, Robert Miller-Eves wrote:
>>>>>>> 
>>>>>>>> 
>>>>>>>> I need to continue using Macromedia Freehand MX and Photoshop CS2 in 
>>>>>>>> my work as I'm familiar with them but aware  that OS Lion does not 
>>>>>>>> support them.
>>>>>>>> Is it possible to run 10.6.8 from an external Drive (and use Lion on 
>>>>>>>> My computer  Drive (iMac 27")? If so how does one select which OS to 
>>>>>>>> start up with?
>>>>>>>> I have a fairly reasonable clue about this issue but would appreciate 
>>>>>>>> some Expert advice 
>>>>>>>> Thanks in advance!
>>>>>>> 
>>>>>>> Hi Robert,
>>>>>>> 
>>>>>>> I would suggest a better way is to do what I have done. I cloned my OS 
>>>>>>> X 10.6.8 system using Super Duper (you can use Carbon Copy Cloner if 
>>>>>>> you prefer) onto a bootable External FW Drive. Then purchased Lion OS X 
>>>>>>> 10.7 from the App Store and installed Lion on an external FW Drive.
>>>>>>> 
>>>>>>> This way I can boot into Lion for testing purposes before I decide if I 
>>>>>>> want it on my main work MacBook Pro.
>>>>>>> By doing this, my work MBP is not being disturbed by any ‘glitches’ 
>>>>>>> that I might find using Lion.
>>>>>>> 
>>>>>>> You can use a USB External; Drive if you wish, I just prefer using FW 
>>>>>>> drives (of which I have many ;-)
>>>>>>> Very important: You first must format the external drive in ‘GUID 
>>>>>>> Partition Table’ & Format: Mac OS Extended (journaled) otherwise you 
>>>>>>> will not be able to boot from the drive.
>>>>>>> (If you require details how to format an external drive, please post 
>>>>>>> back & I’ll include instructions.
>>>>>>> 
>>>>>>> Then when I find some time to do some testing of Lion I just:
>>>>>>> Connect the FW Drive to MBP
>>>>>>> Go to System Preferences >  Startup Disk (Under System)
>>>>>>> Click ’Startup Disk’ (it will now show both your OS X 10.6.8 HD & your 
>>>>>>> OS X 10.7 HD
>>>>>>> Select the OS X 10.7 HD
>>>>>>> Click ‘Resart’
>>>>>>> 
>>>>>>> Your computer will restart into Lion. When you have finished testing 
>>>>>>> Lion out, just restart back into OS X 10.6.8
>>>>>>> 
>>>>>>> Cheers,
>>>>>>> Ronni
>>>>>>> 
>>>>>>> 17" MacBook Pro 2.3GHz Quad-Core i7 “Thunderbolt"
>>>>>>> 2.3GHz / 8GB / 750GB @ 7200rpm HD
>>>>>>> 
>>>>>>> OS X 10.6.8 Snow Leopard 
>>>>>>> OS X 10.7 Lion
>>>>>>> Windows 7 Ultimate (under sufferance)
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
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>>>>>> 
>>>>>> 
>>>>>> 
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>>>>> 
>>>>> 
>>>>> 
>>>>> 
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