Using lion and snow leopard on the same computer/ partition?

In the old days to partition a hard drive on a computer the hard drive had to be erased/ reformatted first. Do I understand correctly that partioning a hard drive no longer requires this? Can someone explain, as if I'm 6 years old, how to do this? I want to upgrade to lion so I can use i-cloud on a mpb but must still have snow leopard due to a couple of ppc programs/files I still need (such as the data in chronos personal organizer, quicken 2007, and maybe a few more). So how exactly do I do this, without reformatting etc. ? Sharon

Launch Disk Utility->Help->Disk Utility Help->Creating new partitions on a disk. Note, that to dynamically add a partition, journaling has to be enabled on all partitions. I have my iMac's 1 TB HD partitioned into three bootable volumes. Two running SL and one running Lion.

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CAn I run Lion and snow leopard on the same computer with different sign-ins?

CAn I run Lion and snow leopard on the same computer with different sign-ins?

Alternatively, partition your internal HD and dual-boot it. Do note that you have to reboot to switch back and forth. You can't do it by logging out and back in.

I need to run Lion and Snow Leopard on the same computer

i have no money so the solution needs to be free.
Can anyone help?

Pondini: Formatting, Partitioning, Verifying, and Repairing Disks... - http://web.me.com/pondini/AppleTips/DU.html
but I wouldn't just launch into this. I suspect your computer cannot run Snow Leopard as a major boot system. There may be virtualization options, but if you don't know how to partition a drive then 2 pages of instruction using command lines to achieve virtualization may take a bit of easing into. I haven't really gone into it myself, though I do recall discussions questioning legality.

Running Lion and Snow Leopard on the same MacBook Pro

So here's the thing .....apparently Lion won't run Photoshop and Illustrator CS2 (which I'm quite happy with and not about to shell out silly amounts of money to Adobe for even CS3) and apparently there may be (and I stress may be) problems with Word 2008 (likewise money to Microsoft for Word 2011).
I think, and probably won't know till I've installed it, that I'd like to try Lion on my Macbook Pro but keep Snow Leopard as a separate OS to run Photoshop, Illustrator and if necessary Word until I can afford to pay Adobe (& possibly Microsoft though I can't really see what improvements they can make to Word 2008) the large amounts of money they seem to think they deserve for an upgrade.
Does anybody out there know if it is possible to run both Lion and Snow Leopard on the same machine and if it is how do I do it?
Thanks for taking the time to read this.

Likely a corrupted cache file
Read the
Deeper cache cleaning/resetting
https://discussions.apple.com/docs/DOC-3046

Anyone using Lion and Snow Leopard? I will be soon.

I will soon be using both Lion and Snow Leopard on my newly upgraded hybrid hard drive.I know that I should need to partition the drive into three 1 for Lion 1 for SL and 1 for data/applications.
The problem is how is how much space should I give each partition?
Has anyone done this before or have any good ideas how to go about it?
Some extra info:
I am currently using a MacBook Pro (mid 2009 13")
I am currently using Lion OS X v10.7.4
The new drive is 750GB Seagate Momentus XT 7200rpm 8GB(solid-state) hybrid drive
The soon to be replaced drive is a stock 250GB 5400rpm HDD
Thanks all help appreciated

It's important that you leave a minimum amount of free space for the OS to use. You will see anywhere from 16 to 30 GBs for your OS and iLife apps. You need enough space to allow for all your third-party applications and document files. When fully set up you may have only 30 GBs of free space which is an appropriate amount to have, but not less than 20 GBs. That makes 60 GBs a reasonable minimum size.
If you haven't put everything in concrete, I might suggest going with a 500 GB Seagate XT hybrid together with a 128 or 256 GB SSD using an OWC DataDoubler replacing the optical drive. I suggest that mainly because using the same hard drive for the OS and Data partitions will actually make file I/O slower. Having two drives and using an SSD for the startup volume will enhance file I/O operations. Only two partitions on the SSD - each 60 GBs - fit neatly in 128 GBs.

Is it possible to have Leopard and Snow Leopard at the same time?

If you have an Imac with an external USB HD, can you have Leopard on the HD of the iMac and install a fresh copy of SL on the HD? Would it work?

Thanks for asking, you reminded me of two things to keep in mind. Let's say you have two drives, let's call them SL and Leo. If you boot with SL all your preferences and settings are on the SL drive and if you boot with Leo, they are on your Leo drive. There's no crossover and nothing dangerous to worry about.
There are, however, two little things to think about. a) by default, when you boot with Leo your files will save to your Leo account folder and when you boot with SL they'll default to your SL account folder. This can get confusing. There are several solutions but the easy one, and the one I used, is to use DefaultFolder and set default save folders so that the file selector automatically chose my SL folder to save into.
The other issue involves Spotlight. When you switch from one OS to the other, Spotlight will try to reindex both drives. This isn't dangerous but it does bog down a slower computer. My solution was to use the Spotlight preference in Leopard and turn indexing off completely by making both drives private.

Can i have both leopard and snow leopard on the same partition?

I have a MacBook Pro with 10.5. I want to install 10.6 and keep 10.5 on the same drive. The drive has only one partition. What problems might I encounter.

Yes you can, you could put the two in separate partitions to be safe.
Unless, as Michael noted, you use VM software to run a different OS on the same partition, impossible is the word you're looking for. Not safe.
He asked if you can or not. not safety advice. It's a simple yes or no. and yes you can. For all I am concerned, the man is an evil genius building an IT bomb before his final day after an untimely layoff. It's a yes or no question man. Did not ask your opinion on the highly unlikely event that he is able to go through the initial system checks and failsafes, and installation, and then the cosmic chance of success. If you notice, the only thing I stressed was to get your backups. After that, go nuts. It's how you learn.
Trigger a dependency issue that the OS tries to correct and it snowballs into a mess.
Is that supposed to mean something? Anything?
Are you by chance one of the apple-sticker-prius jockeys who deliberately close the door on me in the far left lane because you feel that every situation has a moral right and a wrong, and you're left to opine? Except what's happening is I'm on my Yamaha and a you're technically attempting murder? I"m used to this guy.
ALright say your mac OS =64 bit, but the hardware inside is 64 and 32. Off the top of my head- the Intel GMA chipsets are still running 32 bit drivers regardless of OS. Install 64bit on that machine and I think you're going to have issues with faulty driver dependencies where GMA spots a newer driver on the old 32bit partition vs. install disc. Youcan't fix this. By the time you start seeing errors, the OS has already tried fixing the dependencies by following down the 32 bit trail and dumping its own core. Try it if you don't believe me.
you want to fill the disk with zeros.
kadaggett (or anyone for that matter), do not follow this advice. It won't make a spit of difference how fast your Mac will operate. The only purposes for a zero erase is to either try to map out bad blocks that have developed (in which case, you should replace the drive), or you're making it much more difficult for anyone to recover deleted data.
Right off the bat I think you should stay away from SSDs or perhaps run them in IDE mode to be safe. Or you'd bereplacing them every other day. WHat I"ll be doing is allocating 10% to cache, playing with the trim, keeping it <50% full, and using 60GB cache to run my OS. You do what you like. Send me your old HDD's though. Ever try formatting an SSD? And then it actually boots as if you hadn't formatted? Hey you thinkinn maybe sentient Macs experience phantom limb syndrome?
I find and fix bad blocks and realize 90% of them weren't bad. I don't know maybe the ghosts are back. But maybe it was static shock that temporarily crippled a few blocks. Can't know until touch it with a 0. And there is nothing wrong with 0s. This is not 1987 and you are not going to hurt your What? Don't order people to follow this or that advice - are you like the hall monitor around here? WHy do you tell people what follow? Why do you assume they are here to follow? Do you feel like you just led people to the right path? You feelin good? Because I think we both look like ********.

How to install and boot both Leopard and Snow leopard in the same Mac?

I've installed 10.6 (SL) on my MacBook. After I installed SL, I found that a couple of softwares that were working in 10.5 don't work anymore and the providers don't have any update nor any support to the date. Then I decided to make a disk partition: the main with 10.6 and a small one with 10.5 to use with these specific softwares. (the idea is to switch from 10.6 to 10.5 and vice versa)
I've searched in many Mac discussion forums and manuals for instructions to do that without success.
I'm novice with these stuffs, so, somebody could help me with the right steps to do that? (in this moment I've already partitioned the HD: 220 Gb and 25 Gb)
thanks in advance

You just insert your install disk and when it asks where you want to install the OS, you choose the partition you want it on.
If there is something about this which is still not clear, just post again.

Tiger and Snow Leopard on the same Mac

I need to use some Apps that are Tiger only and so I thought to install Tiger on my MBP using a virtualization software. What would you recommend? VMWare Fusion? Parallels? Any other?
Thank you!

Advanced User wrote:
ah... then
Is there a way to RUN TIGER on my MBP? Anyone?
NO. if you want to run tiger you'll need an older mac. there is NO way to run it on your MBP.
Thanks
Message was edited by: V.K.

Can I have both Lion and Snow Leopard on One Hard Drive?

My problem is I need to run a PowerPC game on Lion which Lion no longer supports. So i thought i could download Snow Leopard back to my Mac and partiition my hard drive in the process as that is the only way i know of to have both Lion and Snow Leopard. I went through the Boot Camp Asistant process and it seems it will only partition Windows 7 to my Mac when i need Snow Leopard. If anyone has any idea how to help me have both Lion and Snow Leopard at the same time on just one hard drive or figure out how to run the PowerPC programs on my Mac (if there is a way around it). The help will be well appreciated!

How To Run Snow Leopard On A New Mac
This does not apply to new Mac Minis or MacBook Airs. When newer models are introduced that also require Lion for hardware support, the techniques described below will no longer work with the possible exception of using Parallels 7.
What has to be done:
Create a new partition on the hard drive.
Get a clone of a 10.6.8 Snow Leopard system. Put the cloned Snow Leopard system onto the new partition.
Step One: Create a new partition on the hard drive
To resize the drive and create a new partition do the following:
1.    Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
       After the main menu appears select Disk Utility and click on the Continue button. Select the hard drive's main entry then click on the Partition tab in the DU main window.
2.   You should see the graphical sizing window showing the existing partitions. A portion may appear as a blue rectangle representing the used space on a partition.
3.    In the lower right corner of the sizing rectangle for each partition is a resizing gadget. Select it with the mouse and move the bottom of the rectangle upwards until you have reduced the existing partition enough to create the desired new volume's size. The space below the resized partition will appear gray. Click on the Apply button and wait until the process has completed. (Note: You can only make a partition smaller in order to create new free space.)
4.   Click on the [+] button below the sizing window to add a new partition in the gray space you freed up. Give the new volume a name, if you wish, then click on the Apply button. Wait until the process has completed.
You should now have a new volume on the drive.
It would be wise to have a backup of your current system as resizing is not necessarily free of risk for data loss. Your drive must have sufficient contiguous free space for this process to work.
Step Two: Obtain a clone of a Snow Leopard system:
You will need access to a Mac already running Snow Leopard. You will need a 16 GB USB flash drive or an external hard drive to which you can clone the Snow Leopard system from the Mac that has Snow Leopard installed. Alternatives are:
Option One:
Install a new Snow Leopard system onto a USB flash drive. Boot the Mac used for installing with the USB flash drive. Update the flash drive system to 10.6.8 using the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard. Verify that you can boot the Mac with the USB flash drive.
Take the USB flash drive to your new Mac and try booting from it. If it works then clone the system from the flash drive to the newly made partition:
          Clone using Restore Option of Disk Utility
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
          Destination means the new partition on the internal drive. Source means the USB flash drive.
Option Two:
If you have a large enough external drive you can erase and use, then it would be easier to just clone the entire Snow Leopard system from the source Mac computer to the external drive.
          Clone using Restore Option of Disk Utility
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
          Destination means the external drive. Source means the Snow Leopard Mac's internal drive.
After cloning verify that it will boot the source Mac. If so then take the external drive to your new Mac boot with it. If all is well then restore the clone to the new partition on your new Mac:
          Restore the clone using Disk Utility
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
          Destination means the new partition on the internal drive. Source means the external drive.
If the above seems too daunting then you might consider running Snow Leopard inside an emulator such as Parallels 7. You are permitted to install a single copy of Snow Leopard inside a virtual machine. You will need to first purchase a copy of Parallels 7 and install it on your new Mac. Create a new virtual machine configured for Mac OS X. You may then install Snow Leopard in the virtual machine then download Mac OS X 10.6.8 Update Combo v1.1 and update to 10.6.8. Be sure to include Rosetta in your initial Snow Leopard installation. Rosetta is not installed by default rather it's an optional install.

Is it possible to install Lion on the second hard disk on my Mini (2010) Snow Leopard Server, and switch between Lion and Snow Leopard? I like those voices Lion has in speech.

Is it possible to install Lion on the second hard disk on my Mini (2010) Snow Leopard Server, and switch between Lion and Snow Leopard? I like those voices Lion has in speech.

When baltwosaid NO emphatically, that was described as CORRECT ANSWER. Ditto in the caeses of the radically different answers from Camelotand Matt Clifton
Could it be that CORRECT ANSWER needs better defining by Apple?
That apart, yes, switching might involve rebooting. About the voices, well, I was the other day adding voice to a commentary in a video I was working on. There's only American English accent in SL — Lion I believe has British ones as well.
Why not, I wondered, try to install Lion purely for academic interest, maybe with an SD card (Sandisk Ultra II, 16GB) as Tom Nelson says is possible at http://macs.about.com/od/macoperatingsystems/ss/Perform-A-Clean-Install-Of-Os-X- Lion-On-Your-Mac.htm

Dual boot drive - Mountain Lion and Snow Leopard - Correct order to load software /apps?

Hi
I want to create a dual boot drive for Mountain Lion and Snow Leopard as some of my hardware (is not supported in Mountain Lion).
I am happy how to do this, I just want to know if there is a correct way to install software and apps.
My plan was to do a clean install of both using two partitions, the larger going to ML and smaller one for SL. I was going to install SL from the DVD and then after updating from 10.6. to 10.6.8 and download ML from the app store and install on the larger partition.
Do I install all the software I use like Final Cut, Aperture, iLife (for Garageband) etc on the ML or SL partition or on both. Also, is there a better way / practise of the order software updates / apps and boxed software should be installed when doing a clean machine install.
Thanks in advance.
Matt

Thanks mende1
So, if I have software I need to use on both ML and SL - for example Final Cut as I have a Canopus AVDC box which is not supported in ML but only SL, do I need to install the same software in both OS?
I usually open apps using spotlight and didn't know if it would software / apps would open if already installed on the other partition?
Thanks again
Matt

Please help test a gif program in Lion and Snow Leopard

Can anyone please help me by testing a Gif creation app on a Lion and Snow Leopard machine?
The app is called "GIFfun" and is free. It can be downloaded here: http://www.stone.com/GIFfun/
I have used this app for years on a Leopard machine, but needed to upgrade this week to Lion.
Since upgrading to Lion all white areas in Gifs i create are turned to grey and its causing me problems in my workflow.
I've purchased other Gif creation software to see if the problem was only with that app, but the grey areas are on all Gifs from all Gif creators, which makes me sure the problem lies with Lion.
It would be a real help for me to know that other Lion users had the same problem, and to know that Snow Leopard users didn't have the problem. (as i would downgrade my OS to Snow Leopard)
I've attached 3 images to test the app, these images need to be put into a folder and the folder dragged and dropped into the app.
I need to know if the white areas turn grey on your OS?
I will be really grateful if anyone can help me with this.
Thanks
Dave

Yes I see your problem.
Nothing you or I can do about third party software not preforming well in Lion.
Contact their support:http://www.stone.com/Form.html
or
Stone Contact Info
Tele: 505 345 4800
Fax: 505 345 3424
www.stone.com
[email protected]
Stone Design Corp
PO Box 6799
Albuquerque, NM 87197-6799

Home Sharing between Mountain Lion and Snow Leopard

Hi
I have MacBook Pro both at work and at home. The one at work has Mountain Lion with the latest version of iTune and the one at home has Snow Leopard with iTune 10.7.
I want to share movies on my iTune account between Mountain Lion and Snow Leopard. However, it doesn't seem to work....
How can I solve this problem?
FYI - I am not a big fan of Mountain Lion and do NOT want to upgrade my home computer to Mountain Lion.

    I am not sure why you can't access iCloud, using a browser? Then you have the same address book, so long as you are connected to the internet. https://www.icloud.com/
    No email involved. From the browser, you can download individual iCards or all of the individual cards, BUT unfortunately, not the Groups. So, you have to fiddle on the SL machine with keeping the groups organized.
    Up until recently, I have been able to sync Contacts from ML (which stays synced to iCloud) to SL this way: copy the /Users/~/Library/Application Support/AddressBook/ folder from the ML computer to the SL computer by dragging the icon onto the dock's AddressBook icon, this should retain all the group info. But, recently, this has ceased being complete.
    Apple really left us behind on this one.

Need OS X Lion and Snow Leopard for iCloud functionality but I have a windows bootcamp on my mac. Problem?

I have a windows bootcamp on my macbook. I need to download OX Lion and Snow Leopard so I can . If I do download both programs, will I loose my bootcamp functionality?
Much apprecitive.

In addition to what Kappy suggested, please check your Mac against the hardware requirements of Lion before starting this project.
Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor
2GB of memory
OS X v10.6.6 or later (v10.6.8 recommended)
7GB of available space
Allan

Using lion and snow leopard on the same computer/ partition?

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