Filevault 2 on Snow Leopard?

Title seems improbable, but is it possible to view, copy, or otherwise modify files on a filevault 2 protected thumbdrive created in lion on snow leopard?
Long story:
My Seagate Momentus got trashed recently, so I'm going out to get a replacement tomorrow. That drive was updated to Lion 10.7.4. I am typing from a Snow Leopard 10.6.8 HDD. I actually need that data on the new HDD, so I was thinking of getting one of those USB-SATA adapters. (The macbook won't boot off that drive, won't detect other drives... Swapping internal drives is tedious and it won't boot from the trashed one [duh]). But there's a 50% chance that the important data is on the thumbdrive, so I don't want to waste the money on an adapter.
So here's the problem: Is there a way, external program or not, to read that data from the disk? I know the password, but I am not willing to risk modifying this splendid backup HDD with a fully working system on it by installing Lion.
I tried mounting it, obviously it doesn't work. DU tells me it's an "incompatible format".
Tl;DR: Can I read a Filevault 2 partition from snow leopard?
Thanks

I have a strange issue with mine. I was making backups to my encripted filevault 2 drive from two different mashine, Mountain Lion and Snow Leopard. Was working fine. My Snow Leopard machine hard drive gone down. Installed Snow Leopard back on my machine, updated it, but I can't access my backup disk as it is "Incompatible format".
How I was able to make backups using Snow Leopard on FileVault 2 encripted drive, but now I can't access it after reisntall? Doesn't make sense to me at this point.

Similar Messages

FileVault in Snow Leopard and case-sensitive filesystem?

Does FileVault in Snow Leopard support case-sensitive filesystems?
I know it doesn't in Leopard but was wondering if the situation had changed with Snow Leopard.

V.K. wrote:
I don't know the answer to that but why are you using a case sensitive file system?
it's generally a bad idea not only because of filevault but also because many apps will not work well with it and some like many Adobe apps won't run on it at all.
I find it amusing how Apple tout the virtues of their operating system being Unix-based when they allow MSDOS-style bastardisations like this.
I've been using OS X for five years in case sensitive mode because I write software for (proper) Unix systems for a living. I need to be able to connect to a Unix-hosted version control system and know that my Mac isn't going to throw a wobbler just because there are two different files which would have the same name under a case-insensitive file system.
It's a shame that I am therefore denied access to Filevault but, from what I hear, Filevault causes all sorts of problems with Time Machine backups anyway, so perhaps it's for the best.
I have to say, in five years I haven't encountered a single piece of software that has a problem with case-sensitivity although, admittedly, I've never voluntarily used any Adobe software (does Adobe Air count)?

Problem with Snow Leopard and FileVault after upgrading - how to solve it?

I recently installed Snow Leopard in my MacBook Pro, where I had FileVault running in my old Tiger. After installation and shutting down, it is now impossible to open and log in my user account. I get the message: "Your home folder, which is protected by FileVault, didn't open. It needs to be repaired." After clicking OK, it reads: "You are unable to log in to the user account "(my name)" at this time. Logging in to the account failed because an error occurred." What to do?

you don't have to reinstall. just enable the root account and log in as root. you can access your backup from there. see this link on how to enable root.
http://support.apple.com/kb/TS1278
use your snow leopard disk instead of leopard disk as that link suggests.

After upgrading to Snow Leopard I can no longer log in

AT FIRST:
Initial installation went fine. Things looked operational. Even did a firmware upgrade of the Keyboard. Then I rebooted and have had probs ever since.
Got the "Unable to log into the user account <user name> at this time" ..."because an error occurred"
DISK UTILITY:
Power-off and restart from the Snow leopard disk to check things out with disk utility.
Disk was fine, only notable unfixable thing was a "SUID file" "System/Library/CoreS"... (something) That has "been modified and will not be repaired"
I also reset passwords (to original ones, so no real change)
NOW:
Now the problem seems to have expanded to just getting a splash screen on startup (no log-in box), needing to power off to stop things, and not getting anywhere. This has made for an interesting day.
From what I'm reading, I should mention FileVault was/is operational at the time of the OS upgrade. And this was an upgrade from Tiger (OS 10.4.11)

(According to Apple Support that product - MC210Z/A - is the right one for those who want to go from Tiger to Snow Leopard and didn't buy Leopard)
OK, another round of checking (and not being able to fix) permissions on file: "SUID System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAge nt"
Reset admin password (to same original password) within utilities. Reset then save.
reset PRAM (OptControl+P+RPower, through 2x chimes)
power out
attempt to go in through that admin account. (Get spinning beach ball)

Successful downgrade from Lion to Snow Leopard?

I will get to my question at the end, but first I must explain the situation:
I have an MBP Intel Core 2 Duo, circa 2006.
The case was falling apart so I bought a new MBP Intel Core i7, September 2011 model.
The new MBP came with Lion, which to my horror did not support PPC applications. I know some of the Mac OS hobbyists will say 'get over it'. However, I use Macs professionally and since I want to eat (so to speak), I must work, and to work efficiently I need Rosetta because there is quite simply no replacements available for some of my quirky software.
Lion has a couple of ways of stopping you upgrading back to Snow Leopard. Here is a simple way to do it, which allows you to keep Lion.
Boot lion and use the disk utility to create a new partition: I took 400 GB for the new SL partition and left Lion with 100 GB. Lion is pretty neat in allowing you to repartition on the fly.
Do the latest software update on the old computer (10.6.8). Restart new computer in target disk mode and connect to old computer using a firewire. On the old computer boot up Carbon Copy Cloner (freeware). Set the old computer as source and the SL partition as traget on the new computer. Simply accept all the default settings on CCC and let it to Clone (ie. backup) the source onto the target. CCC will generate an exact copy of the contents of the old computer's hard drive on the SL partition on the new machine. I believe it will aslo transfer FileVault protected accounts even if the user is not logged in.
Shut down new computer. Reboot holding down the optino key. For some reason the new SL partition was named IEF Drive (or something similar, I cant remember because it reverted back to its original name after a restart). The machine will boot into SL. Go to system preferences and select SL partion as your startup disk. All done in about 4 hours, most of which is waiting for CCC to finish! Whoopeeee.
So far it seems to me like EVERYTHING works just fine. I was particularly suprized that the Thunderbolt port was able to drive my external display either via vga or hdmi adaptors. I half expected that not to work because it is a brand new feature. Of course, it may not work with a Thunderbolt display. Howerer, since the machine is duel boot and I can go to Lion any time I feel like it.
I did have to reinstally Application Enhancer so that my Unsanity Haxies would work, but you have to do that after any migration.
Performance
Geekbench 32 bit overall score:   lion, 8473: SL, 8321
Novabench: lion, 882: SL 859
At first I had the impression that Lion was a bit swifter on start up and GUI response, so I used migration assistant to migrate my old computer user account onto the Lion partition. As expected all the login items and extra system services that came across from the old machine had a penalty for start up and shut down. After timing both I find that SL is slightly faster up and down than Lion. Even so, I am sorry not to be able to use Lion as I liked the look and feel of it right from the get go.
Never mind ...its function over form for me every time
Now my question is to ask whether others have exposed any weaknesses in a SL down/upgrade? It would help if you would post here so that I can head off any problems before I discover them in a critical situation.
Also, do the experts think SL will match the 64 bit performance of Lion, which I was unable to test because I am too mean to pay the 19 bucks for Geekbench?
Finally, I must say that after many years of daily use on countelss machines CCC has never once let me down, unlike TimeMachine.

I had said that the "function" of the user preferences in the ByHost folder won't be preserved on a different computer, not that the files wouldn't be there!
The ByHost folder contents are accurately preserved in a CCC clone, but the .plist files themselves are tagged with the "hardware UUID" of the particular computer they were made on, and will only function on that computer. Peek inside at the names of these preference files and you'll see. It's not an important issue in practice.
From Mike Bombich's CCC Knowledge Base, here:
Can I back up one computer and use the clone to restore another computer?
As long as the architectures match (e.g. intel vs. ppc), then the answer is **probably yes**. However, there are two caveats.
    Some of your preferences on Mac OS X are considered "host-specific." Preferences such as these will be ignored if you boot your cloned operating system and data from another machine. For example, the screen saver preferences are host-specific -- if you boot another machine from your bootable clone and the screen saver kicks in, you will notice that it has reverted to default settings. Do not fear that you have lost any data, your original preferences will be "restored" when you boot again from your original computer. To learn exactly what preferences are host-specific, navigate in the Finder to your home directory, then to Library/Preferences/ByHost.
    Don't install older versions of Mac OS than what comes with your computer. When you get a brand new Mac from Apple, it usually has a specific version of Mac OS X installed on it, and further, a specific "build" number. If you install an older version or build of the OS, for example by cloning your older Mac to it, then it may behave unexpectedly. When migrating your old Mac to your new Mac, be sure that your old Mac has been updated to at least one later release than what came on the new Mac. For example, if your new Mac came with 10.4.7, update your old Mac to 10.4.8 before migrating. If such an update is not available, use the Migration Assistant instead.

Restoring my System with Time Machine to a new HD without the Snow Leopard DVD

Hi there,
I changed my HD in my MacBook Pro to a bigger one and then wanted to Restore the System via Time Machine onto that new HD. Sadly I dont have the Snow Leopard DVD that was coming with the MacBook. Though I have another Snow Leopard DVD, that I purchased earlier for my older Mac. Now the Problem:
When I try to Boot the Macbook Pro from the older Snow Leopard DVD it always freezes and says: "You have to restart your Macbook. Press the power button until it switches off and then press the button again". But iwill not boot from the DVD.
Is there another possibility to Restore my System from my Time Machine Backup to the new HD?
Kind Regards
Lounginbob

lounginBob wrote:
Though I have another Snow Leopard DVD, that I purchased earlier for my older Mac.
You can't use a machine specific OS X install disk with another model of Mac.
It has to do with hardware drivers being on one disk and not applicable to another machine, why you get the kernel panic.
Is there another possibility to Restore my System from my Time Machine Backup to the new HD?
No. You need the OS X install disk.
Choices depending on what your machine is:
1: If your machine with the missing OS X install disk originally came with 10.6.3 or later, call Apple for machine specific replacement disks, there will be a fee of course. That's the only ones that will work.
2: If your machine originally came with 10.6.2 or earlier, you can choose to buy the 10.6.3 retail disk from Apple online, however it contains no free iLife. It comes faster.
3: If your machine originally came with 10.0 - 10.6.2, and you want the free iLife, then order the machine specific versions from Apple, however it might take longer.
4: If your machine originally came with 10.5, and your now on 10.6.x via the 10.6.3 retail disk, you can extract the free iLife from the 10.5 disks using Pacifist from CharlesSoft if you don't want to buy iLife.
You will need this disk regardless in case you need to #18 Reinstall Just OS X or #20 Erase and Install OS X or perform #4-#6 repair proceedures:
Step by Step to fix your Mac
Is there another possibility...
Yes, once you have gotten a new OS X install disk, consider making bootable clones.
It's software that can clone your entire OS X drive/partition (no Bootcamp or Filevaulted) to another external drive and you can easily hold the option key to boot from it.
Most commonly used backup methods explained

Problems with snow leopard and file vault

I just installed snow leopard on my macbook. When I try to log on, I get a message "your home folder is protected by file vault and didn't open, it needs to be repaired. To repair folder and continue logging in click ok." When I click ok, I get the message "You are unable to log in to the user account at this time. Logging in to the account failed because an error occurred."
How do you turn off the file vault if you can't log in? Any solutions are greatly appreciated.

Boot to safe mode by holding the Shift key on boot.
Then you can turn filevault off and reboot normally.

Connecting to server after upgrading to Snow Leopard

I'm trying to connect to a hard drive wirelessly which is connected to a router. I used to have Leopard and connected fine by going Finder > Connect to Server and inputting:
smb://FND/Media
Since upgrading to Snow Leopard I haven't been able to connect. I've tried connecting using the same address as above and also with:
smb://192.168.1.11/Media
Both open a dialog box asking for user name and password. As no password is setup just hitting enter should work (it did on Leopard). However, this time it brings up an error message saying:
Connection Error
There was an error connecting to the server “192.168.1.11”. Check the server name or IP address, and then try again.
If you are unable to resolve the problem contact your system administrator.
Also when trying to browse for the server it doesn't appear. I'm not sure if it did on Leopard as I never needed to look for it. I can get into the hard drive by typing the IP address into Safari, but just can't connect to it.

First, make sure caps lock is not on.
Another reason why your password might not be recognized is that the keyboard layout (input source) has been switched without your realizing it. At the login screen, you can cycle through the available layouts by pressing the key combination command-space or command-option-space. See this support article.
If the user account is associated with an Apple ID, and you know the Apple ID password, then maybe the Apple ID can be used to reset your user account password.
Otherwise*, start up in Recovery mode. When the OS X Utilities screen appears, select
Utilities ▹ Terminal
from the menu bar. In the window that opens, type this:
res
Press the tab key. The partial command you typed will automatically be completed to this:
resetpassword
Press return. A Reset Password window opens. Close the Terminal window to get it out of the way.
Select your startup volume ("Macintosh HD," unless you gave it a different name) if not already selected.
Select your username from the menu labeled Select the user account if not already selected.
Follow the prompts to reset the password. It's safest to choose a password that includes only the characters a-z, A-Z, and 0-9.
Select
 ▹ Restart
from the menu bar.
You should now be able to log in with the new password, but your Keychain will be reset (empty.) If you've forgotten the Keychain password (which is ordinarily the same as your login password), there's no way to recover it.
*Note: If you've activated FileVault, this procedure doesn't apply. Follow instead these instructions.

Should I upgrade Snow Leopard and to what?

Currently I have a model 11,3 iMac and an early 2008 Macbook. I updated the Macbook to Lion as a fresh install (with migration using Time Machine) as I wanted to utilise full disk encryption on the internal hard drive and any external portable drives I took with me. My iMac is left running Snow Leopard.
As things have moved on there now seem differences with Apple applications such as iPhoto (library gets updated/upgraded) and I am left wondering whether to upgrade the iMac from Snow Leopard?
If so, to what? If I go to Mountain Lion then I am on an OS that my Macbook cannot use but if I only go to Lion I may find issues that others on forums have indicated whereby they ended up downgrading. Are these unlucky downgraders victims of in-place upgrades rather than re-installs? I really like SL and see no reason to upgrade as I am no fan of the iOS appearance of the system in Lion (and ML). However, the security patches have stopped, the World has moved on, and I also cannot access those FileVault encrypted drives.
What do people advise?
The way I'm looking at it is...
Snow Leopard - cannot read encrypted disks, iPhoto libraries updated/upgraded in Lion etc, unsupported, but I do like the OS
Lion - keeps both systems the same, may have issues with upgrade as indicated in forums (were they early adopters? in-place upgraders?).
Mountain Lion - latest and greatest, said to be improvement on Lion, may end up with backwards compatibility issues in iPhoto just like Lion -> SL

Hi, panto74.
It looks like you're in a little bit of a spot, and you ask some good questons.
I know this doesn't directly answer your questions, but here is some food for thought.
Consider this option... upgrade your iMac by way of an external HD. By that I mean, purchase an external drive and install OS X 10.8.1 Mountain Lion on that. Then migrate your user accounts and data onto the the new drive, use System Preferences to set it as your startup drive, and use it for a while - an evaluation period, if you will.
By doing this you get to determine if 10.8 is what you expect - see how it behaves for you. And, if you don't like it, you haven't yet wiped your startup disk and can simply reselect that drive and OS as your boot and go about your day using SL. Very little muss and fuss. If worse come to worst, you haven't munged your original setup, and now you have an external HD that you can use for other purposes, such as data backup or external storage.
Another option that comes to mind... since you have already interrupted the feng shui or balance of your two machines by upgrading the MacBook... why not upgrade the MacBook to the next level? This way you still have the comfort of using SL on your iMac, and you won't have moved BOTH machines into the realm of the unknown. You can even upgrade your MacBook with an external startup hd as I described above.
As for the question of why some users have poor luck when upgrading/downgrading... the answers are about as varied as the problems are. There are so many things that can affect the process.
Of course, whatever you do, PLEASE make sure you have backed up your data before you make any move on your iMac... or MacBook, for that matter.
I hope this is helpful.

After upgrading to Snow Leopard, Cant log in to home folder

After installing the Mac OS X Snow Leopard, I attempted to log in to my account. After typing in my password, I received a message stating: "Your home folder, which is protected by FileVault, didn't open. It needs to be repaired. To open the folder and continue logging in, click OK. To log in as a different user click cancel log in".
When I click "OK" I receive a message stating: You are unable to log in to the user account "(username)" at this time because an error occurred.
Other accounts on this computer open with no problems. Why is it just my account and is there any way to repair this folder?

You probably have a damaged (physically or in software) hard drive. Sounds to me like the latter, and more specifically that your user account has been corrupted. You can [repair the hard drive with Disk Utility|http://support.apple.com/kb/TS1417], but that may not fix the problem if even one bit has been twiddled in the massive encrypted file that your user account is stored in when using File Vault. Very small amounts of damage can permanently destroy any encrypted file.
Do you have backups? If so, you should restore your account from a backup from before the problem first started. If you don't have backups, you don't even have the options to recover your data that you would have had without File Vault enabled.

Safari update to 5.1.5, on snow leopard, now safari won't open any web page.

Just installed Safari update to 5.1.5 and now Safari won't load any web page. Running snow leopard on an iMac. How do I fix, or revert to previous version of Safari that did work, keeping in mind, can't access internet on that computer since Safari won't load a web page (Firefox, Chrome, Opera have never worked on that computer, although Firefox worked fine until I upgraded OS to snow leopard).

Please read this whole message before doing anything.
This procedure is a test, not a solution. Don’t be disappointed when you find that nothing has changed after you complete it.
Step 1
The purpose of this step is to determine whether the problem is localized to your user account.
Enable guest logins and log in as Guest. For instructions, launch the System Preferences application, select Help from the menu bar, and enter “Set up a guest account” (without the quotes) in the search box.
While logged in as Guest, you won’t have access to any of your personal files or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
Test while logged in as Guest. Same problem(s)?
After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
Note: If you’ve activated “Find My Mac” or FileVault in Mac OS X 10.7 or later, then you can’t enable the Guest account. Create a new account in which to test, and delete it, including its home folder, after testing.
Step 2
The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode and log in to the account with the problem. The instructions provided by Apple are as follows:
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem(s)?
After testing, reboot as usual (i.e., not in safe mode) and verify that you still have the problem. Post the results of steps 1 and 2.

Will Find my Mac ever be possible on Snow Leopard?

I'd like to use the remote lock/wipe for my Macbook Pro should it ever be lost, but sadly it's only a feature of iCloud and therefore Lion.
Is it likely that this feature will ever come to Snow Leopard, or will I need to use 3rd party software to do it?

stevearm wrote:
I'd like to use the remote lock/wipe for my Macbook Pro should it ever be lost, but sadly it's only a feature of iCloud and therefore Lion.
If you use Filevualt, the entire drive is encrypted and therefore doesn't need to be wiped as the data is inaccessible,
However a full Filevault can make recovery by you difficult and slow down the normal operation of the machine, the computer won't work if it won't boot and tracking software won't work neither.
A alternative is to use software to encrypt individual files or folders of files, this way they can be transferred to another machine, the software installed and the files decrypted with the password. The computer can boot and therefore give up it's location and details about the perp with secret software installed.
Another solution is to keep your files on a Iron Key or self encrypting external drive with it's own keypad, can use with any computer.
If you take care to keep a eye on your machine, never leaving it alone in a room, you should be fine.
"Find my Mac" is no guaranty it will be recovered, there is Prey which can be used to locate a stolen laptop, provided it's used and gets on the Internet. With it your only stopping the stupid thief, not a geek who will wipe the drive immediatly.
http://preyproject.com/
Remember Apple lost that iPhone prototype and it wasn't recovered with "Find my iPhone" so that shows it doesn't work all that great in reality, they are playing on your fears.
Just train yourself to be diligent, keep a eye on your stuff, or use a low cost Linux netbook for "on the go" purposes, if you lose it it's only a few hundred dollars, instead of thousands with a MacBook Pro.
Apple won't do iCloud for Snow Leopard, it's their way of force upgrading people to Lion so they lose all their investment in software and begin accepting a closed computer like iPhones and iPads.

Snow Leopard crashes if ML WDE drive connected

I have a couple of computers with Mountain Lion installed on an internal drive. I occassionally boot them in Snow Leopard using an external HD (to use a software program that is incompatibvle with Mountain Lion). But, if FileVault is on in Mountain Lion on the internal drive, I can not start up the computer using the external Snow Leopard drive. What seems to be happening is as Snow Leopard starts up, when it sees the internal drive and tries to read it, it crashes (gray screen with "You need to restart your computer" in several languages). Anyone else have this problem? Any ideas for a solution (besides turning FileVault off in the Mountain Lion install).
BTW: starting up Snow Leopard with the Mountain Lion drive removed works fine. Then attaching the Mountain Lion drive also works fine (it can't be read because it is encrypted using Mountain Lion, but at least it doesn't cause Snow Leopard to crash). The problem seem to be just when Snow Leopard is starting up.
Thanks.

That is a pretty major crash you are experiencing. It reads like a Kernel panic and this is often a result of faulty hardware or third party apps. I remember having a G4 Powerbook that would do the same whenever I tried to play a DVD. Turns out one of the memory slots was faulty and when the data was being buffered to play the movie this was causing the crash.
At this stage I suggest you try a different printer driver to the HP drivers you are using. With a bit of luck the HP will support PCL or Postscript, meaning that you will be able to create another print queue using the Generic PCL or Postscript drivers. If this allows you to print without the crash then you can concentrate on removing the HP software and looking for updated drivers or alternatives.
If the problem stays when the generic drivers are being used then you may have a hardware fault, such as RAM. If you can access the RAM in your Mac you could remove it, give the copper contacts a clean with an eraser (the pen erasers work the best but are harder to obtain than the pencil erasers) and add them back. If you have two RAM chips then you could look at only removing one to see if the problem continues.
Good luck.

Mac Pro 2010 triple boot (Snow Leopard + Windows + Yosemite)?

Hello All,
This is my first question here, I'm usually trying to find the answer myself, but this time I wasn't able to find anything clear enough to me. So I hope that someone can give me clear and easy to understand answer. I must also tell that my English isn't perfect, but should be more than good enough for communication. :-)
I have Mac Pro 2010, 4 core CPU 3.2 GHz, 6 GB RAM, ATI 5870.
HD Bay 1: WD Black 1 TB - Boot Snow Leopard 10.6.8
(Just to add: I am happy because when I bought my Mac it came with 10.6. I am happy with it, it's stable, and I want to keep it as it is)
HD Bay 2: WD Black 1 TB - Boot Windows 7 x64 (bootcamp, full drive)
(I am very happy how it works, so I want to keep it as is)
HD Bay 3: WD Green 2 TB - for all kind of data storage
HD Bay 4: Was empty until yesterday, but now I have another WD Black 1 TB to put it in - still not formatted.
I would like to install Yosemite on that new drive (first I was thinking about Maverick, but then I saw that some new applications will not run, like Final Cut Pro X, new MS Office, still in beta, plus I would like to use iMessage, etc.), and keep everything else as it is now - absolutelly untouched.
• Is it safe to do it, or I can make some mistake and lose Snow Leo and/or Windows?
• Is position of the drives important? Should I, for example, put new drive in a Bay 3, and move data disk to Bay 4, or it doesn't matter?
• When I download it from App Store, and when installation starts automatically, do I have an option to select to keep untouched everything I have now?
(I don't want even to collect any data from Snow Leopard, like mail settings, bookmarks, applications installed - absolutely nothing, it should run as a totally new comp and without any interaction with Snow Leopard, except ordinary hard disk access, like any other hard drive)
• Will my bootcamp drive be safe, I will still be able to boot from it?
I was also thinking about this:
I saw that it is possible to make bootable USB flash drive with installation. If I do that, and if I phisically unplug all other drives except a new one, then do installation, shut it down, and plug back all other drives, will everything work? Will I have triple boot when I press option key during start-up? Does all this makes sense at all to you?
Finally, does anyone have some experience with Mac Pro 2010 + ATI 5870 with Yosemite? Is it smooth, no problems with graphics or some other things?
I will really appreciate some answer about all this.
Cheers!

Some tips about Yosemite and Core Storage from MacIntouch Reader Reports on Yosemite:
Ric Ford [MacInTouch]
Yosemite's changes have led to questions and confusion about disk formatting and partitioning issues, backward compatibility, and dual-booting Mac OS X 10.6 and Yosemite. Below are a few notes on these issues from an email discussion (questions, tips and clarifications are welcome).
Core Storage changes debuted in OS X 10.7 Lion, with Apple's new FileVault 2 whole-disk encryption and hidden Recovery Partition.
Generally, running OS X 10.7 and up shouldn't corrupt or convert the HFS+ partitions used by pre-OS X 10.7 systems (still supported in later OS X versions). There are, however, a few special cases to beware, and this is where things get confusing. Here are some specific issues:
1) FileVault 2 encryption and "Fusion" drives both depend on Core Storage, so applying those to any partition will render it inaccessible by pre-OS X 10.7 systems.
2) Yosemite's installation process silently converts a partition to Core Storage, incompatible with Mac OS X 10.6 and earlier. Ars Technica's review describes this issue.
3) Running Disk Utility's "repair" function in Yosemite against a Mac OS X 10.6 (HFS+) partition has caused problems in some cases, such as making the Mac OS X 10.6 partition unbootable.
(A search for Core Storage on MacInTouch will turn up more discussion and tips.)
See also:
Core Storage [Wikipedia]
OS X Mountain Lion Core Technologies Overview (PDF) [Apple]
OS X 10.10 Yosemite: Installation [Ars Technica]
File system changes in Lion [Ars Technica]
Can't remove Core Storage from hard drive [Apple Discussions]
How To: Disable CoreStorage on Mac OS X 10.10 (Yosemite) [Symantec]
http://www.macintouch.com/readerreports/yosemite/index.html#d16apr2015

Access Mac Drive from BootCamp in Snow Leopard

I have Windows installed in BootCamp from a fresh Snow Leopard install.
I have two accounts on the Mac side: An Admin level account and a normal user account.
From BootCamp in Windows Explorer, I can access the user files for the admin account, but not for the normal user account. All I see there is:
\Macintosh HD\Users\chrishaaker\chrishaaker.sparsebundle
I have no idea what that is ...
Is there something I need to enable on the Mac side of the house to grant access to that normal user's directories? I havent fooled with either - they are at the defaults permissions-wise.

You need to turn off FileVault for that user account.
(47932)

Filevault 2 on Snow Leopard?

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