Can Lion disk utility dynamically partition a drive?

Can Lion disk utility dynamically partition a drive? I see many posts that Leopard Disk utility can but nothing about Lion.

Yes. I'll post a link to instructions. Be sure to create a full reliable backup before you begin (don't just do the backup, test the backup to be sure it's good), and the only application that should be running until the process is complete is Disk Utility.
http://osxdaily.com/2009/11/20/resize-partitions-in-mac-os-x-with-disk-utility/
Some people have problems resizing partitions because of the hidden Recovery HD partition. It sometimes gets in the way because Disk Utility can move it "up" but cannot move it "down".

Similar Messages

  • BootCamp nor' Disk Utility will Partition my Drive.

    Alright, So Im back again, And this time I have a totally different topic.
    Today I tried to Partition my drive to add another OS, to be specific, Windows 7 (Don't hate me! :P)
    The first step I took was using BootCamp SINCE, It is for windows installation on Mac OS X.
    WELL, I tried partition and BootCamp wouldn't let me, The Boot Camp Assistant will usually get stuck at the "Partitioning Disk..." stage, Or sometime it will say. "Partitioning Disk..." for about 5 minutes then a warning message will pop up saying, "Verification failed. This disk could not be partitioned. Use disk utility to repair this disk."
    I hit okay, then go to Disk Utility, And try to partition my disk from there, I will select how big of a partition I want leaving about 6 gigs on my main partition. I hit "Apply" and then it starts to partition, but the only thing it does is, "Modifying the partition map" for about 5 minutes and then I get a warning message saying, "Partition failed. Partition failed with the error: Filesystem verify or repair failed." Im not really sure what this means, but after this, I try to Verify and Repair my disk. It does the "Verifying" stage for about 8 minutes and then tells me "First Aid Failed. Disk Utility stopped verifying "Macintosh HD" because the following error was encountered: Filesystem verify or repair failed." In the "Details" box, this is what it says,
    "Verifying volume “Macintosh HD”
    Performing live verification.
    Checking Journaled HFS Plus volume.
    Checking Extents Overflow file.
    Checking Catalog file.
    Checking multi-linked files.
    Checking Catalog hierarchy.
    Checking Extended Attributes file.
    Checking volume bitmap.
    Checking volume information.
    Invalid volume file count
    (It should be 410899 instead of 410900)
    Invalid volume directory count
    (It should be 117223 instead of 117222)
    The volume Macintosh HD needs to be repaired.
    Error: Filesystem verify or repair failed."
    Can someone please help me out here, All I want to do is make one stinkin partition for Windows 7! Whats going on here?!

    If you are going to repair a startup volume then you must do this:
    Repairing the Hard Drive and Permissions
    Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger and Leopard.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer. Now restart normally.
    If DU reports errors it cannot fix, then you will need Disk Warrior (4.0 for Tiger, and 4.1 for Leopard) and/or TechTool Pro (4.6.1 for Leopard) to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
    Your error suggests some major defect with the hard drive. If it cannot be repaired you will have to re-partition the drive. This will erase everything on the drive, so be sure to backup first.
    Also, you cannot install Windows on a partition your create with Disk Utility. You must use Boot Camp Assistant on a drive with a single partition/volume using GUID partition map and formatted Mac OS Extended, Journaled.

  • What do I do? Please help me. (Mountian Lion, Disk Utility, Partition, Boot Camp)

    I was trying to upgrade my snow leopard to mountian lion on my macbook pro 13". I didn't fully understand how to do it so I googled and found out i had to make a partition with a specific format. Prior, I did a bootcamp so I can install window 7. I partitioned my macbook with window 7 and osx. When i went to disk utility i didn't have enough space so i deleted my window 7 partition. ( i think i did it unproperly hence i have the problem). When i deleted it, it gave a random partition disk, my apple partition and the empty space i deleted for my window 7. I basically gave up on my mountian lion installation and restarted my computer. When my computer boots up it comes up with "Non-System disk" "Press any key to reboot".
    What i tried was to stick in the mac ox cd in, and the application cd. Both doesn't work. Im trying to find where my window 7 cd is to see if i can restore the partition i deleted. I thats not the solution please help me
    UPDATE: Also i was thinking about buying the Macbook Pro 15". With the current condition i have on my macbook pro 13" am i able to recycle it and get some store credit for it?

    Once you back into OS X, reboot holding the command option r keys down, or command r keys and use that Disk Utility to repair your drive or MacintoshHD partition.
    Then reboot normally and use that Disk Utiltiy to grab the little corner resizer of your MacintoshHD partition and drag it over the gray space at the bottom to reclaim the deleted Windows BootCamp partition.
    If you want to try Mountain Lion, I suggest you do so on a extenral powered drive.
    1: Format a external powered drive in Disk Utility Partition 1, Option: GUID Format OS X Extended Journaled and give it name like Mountain Lion (formatting a drive erases all data on it)
    2: Download to Snow Leopard, Carbon Copy Cloner and use it's default settings to clone your MacintoshHD partition to the external drive.
    3: Reboot the machine holding the option/alt key held down, boot from the clone.
    4: Use that clone of Snow Leopard to upgrade to Mountain Lion via AppStore.
    5: If and when your ready, you can boot from the 10.8 clone and reverse clone or clone Snow Leopard to another drive or whatever you need.
    Most commonly used backup methods

  • Using Disk Utility to partition drive

    After downloading a system update yesterday my mac mini hard drive is no longer bootable. The recovery HD is unbootable, too.
    When I boot up using the install CD I can run Disk Utility and see that there are no problems reported with the hard drive, but I cannot repair permissions (No valid packages).
    If I restore the operating system from the CD my only option is to erase the hard drive.
    But what if ...
    I create a new partition using Disk Utility?
    There's loads of free space on the drive, but if I attempt to create a new partition will I wipe out existing data?
    If I succeed in creating a new partition would I be able to restore the operating system there without erasing the hard drive?
    Would it be possible then in some way to restore my user account data?
    I'm just trying to avoid the hassle of re-installing my applications and recovering my data files from backup. It seems like the data is still all there on the hard drive except that something went wrong during the system update that renders the disk unusable.
    Any help appreciated.

    Yep, that is too old...
    Mac mini
    Mac OS X Install Disk 1
    Mac OS X version 10.4.7
    AHT version 3A102
    Disc version 1.1
    2Z691-5887-A
    Mac OS X Install Disk 2
    Disc version 1.0
    ZZ691-5860-A

  • Im attempting to start up from OSX 10.4.9 back up disc on my Macbook 13inch but it starts up and am able  get to utilities then disk utility but my internal drive doesnt show in options on left can anyone help ?

    Hi all my trusty macbook 13 inch 5 years old has let me down get a box with question mark in it when i switch on , so apple support tells me to try ans start by back up OSX 10.4.9 disk the built in drive doesnt work so i am using an external toshiba drive .
    I switch on holding down c key an apple logo comes on and it starts up im able to acess utilities then disk utility but in the options on the left there is only the Backup disc and the external drive showing my internal mackintosh drive wont show so i cant move further any help

    If your hard drive isn’t recognized in Disk Utility then your hard drive is probably dead.

  • Disk Utility not finding Hard Drives after Updates

    Howdy;
    Updated my B&W G3 to 10.4.4 and itunes 6.0.2. After update and restart, ran Disk Utility (DU), which seem to just get into a loop "Gathering disk data". Force quit DU and tried running from Tiger DVD, but similar story.
    I have done a little research and there has been many problems with DU linked to itunes 6.0.2 update, but not quite the same (no B&W G3 w/10.4.4 and different DU hang point).
    I followed: http://discussions.apple.com/message.jspa?messageID=1505537#1505537
    and even tried moving iTunes to desktop; trashing several iTunes.pkg files; restarting, all to no avail.
    Any additional suggestions out there?
    Dual 2.5 G5; Mac min; B&W G3   Mac OS X (10.4.4)  

    I doubt that any jumpers are needed, since this is the only (master) drive in the system. WD's site has pretty good info on this. Verify for yourself however.
    Also, from their site:
    How to partition and format an internal slave drive or an external drive in a Mac OS X (all versions).
    Answer
    In Mac OS X, you can use the built in Disk Utility to partition and initialize the drive so it will appear on the desktop.
    1. Open the main drive (the drive that contains the operating system).
    2. Open the Applications folder.
    3. Open the Utilities folder.
    4. Select Disk Utility.
    5. The drives are displayed on the left side of the window. Click on the drive that you wish to partition (the top drive listing for the hard drive that you want to work with).
    6. Once the drive is selected click on Partition.
    7. Click on the Options button to select the partitioning scheme.
    8. Click on Apple Partitioning Scheme or Apple Partitioning Map and then click on the OK button.
    9. You will see several options for setting up the drive. Once you have selected the number of partitions, the format type you want, and a volume label, click the Partition button.
    10. Following the completion of this process, the drive will appear on the desktop.
    Joe

  • Disk utility reporting wrong size drive

    I have a Macbook 4,1 with an 120GB Hard drive. The hard drive has 3 partitions:
    12GB Linux Partition
    100GB OSX Partition
    1GB Linux Swap Partition
    It also has 7GB of Free Space at the end of the drive
    Now I want to shrink the OSX Partition down to around 80GB (It has 30GB available space) so I have 27GB of Free space to create a Windows Partition. The problem is when I go into disk utility it reports the above partition structure but it also reports I have "100.3GB Free space" at the start of the drive. This is obviously incorrect. It seems harmless enough but the problem is it causes a "The chosen size is not valid for the chosen filesystem" error when I try to resize the OSX partition because the system adds up the size of all of the partitions, realises it's 220GB and so throws the error because it's above the 120GB Drive size. I can't seem to get it to realise that there is no free space at the start of the drive. I've tried using a couple of Linux partitioning programs like GParted and they recognise the correct partition structure but they had a couple of unrelated problems.
    Does anyone have any ideas how I can get Disk Utility to sort itself out?

    I do not think you can use DU for resizing if you used a linux disk utility before. I never could do that, but am ready to learn how to do that.

  • Will Restore in Leopard Disk Utility reliably copy a drive with bootcamp?

    I have a drive partitioned part OS X and part Bootcamp (with Windows XP installed). If I use Apple's Disk Utility to 'Restore' the drive (to copy the drive to a larger drive) will this work reliably for bootcamp as well as the OS X content? Presumably this just clones the drive?

    Once you install MacFUSE you can not use the Startup Disk Utility anymore to boot into Windows, you need to hold the option key every time.
    As you stated, NTFS is owned by Microsoft, its their proprietary format and has many different versions of it. I don't think any company has the full right to format NTFS which basically comes down that you can not complain to any of the companies or MS about data loss.
    My idea with an image is that I can always read it, so in case the WinClone format or write fails I still have all my files (and not just parts of it). Since I am booted the most amount of time on Mac OS X anyway I don't care that a script creates an entire mirror image of my current Windows drive overnight.
    I actually have several basic images that I can always restore in case I want to clean up my drive.

  • Lion Disk Utility doesn't finish erase

    Since installing Lion (clean install) disk utility doesn’t finish erasing or partitioning external disks. I used the disk utility from the install drive to erase the internal drive before installing Lion, this worked fine, but ever since it failed to erase any of my external drives. It starts of as normal but the progress bar stops half way and just never finish. Disk Utility does respond.
    I tried different format options, repair and verify but none of the processes finish.
    I went back to the install drive that I used to erase the internal drive before Lion install and it also didn’t want to finish.
    I copied the old disk utility from Snow Leopard to my desktop, it opens with a warning, but gives the same outcome.
    Any advice?

    I'm having the same problem on my late 2010 Air with Lion installed over Snow Leopard.
    I've tried several usb memory drives and several external harddrives...all the same problem with the progress bar getting stuck halfway. wether I select 'partition' or 'erase'.
    the 'genius' at the mac store told me that he advises a clean install of Lion. I did...or I thought I did but all my files were still in place and the problem was still there. Guess I will have to wipe the drive first.
    Also, unable to repair permissions on the MAC drive.
    But it is remarkable how few people seem to experience this problem thus far. A google search hardly returns any results.

  • Recovery/Disk Utility/Verifying Partition

    Hello and thanks in advance for any help you can offer!
    My 1 year old started typing away as I booted up my laptop yesterday morning (MacBook Pro). Somehow she sent me into Recovery Mode and I can't get out. I haven't used Time Machine, I can't reinstall osx via the internet because my backup harddrive is the only one visible, and now (not initially) when I try to verify in Disk Utility so that I can back up via external drive the partition (disk0s2) has errors. I foolishly tried to find answers and terminal command fixes so I don't know if I've irreparable caused damage that way. The errors I receive when I try to verify and fix the partition: invalid content in journal; invalid b-tree node sizes; volume could not be verified completely; invalid content in journal; error: disk utility can't repair disk... M'aidez!

    When I reboot this way (holding down Shift) I do get returned to Recovery Mode. In Disk Utility, here are the drives listed:
    500.11 GB Apple HDD...Media
       disk0s2
    HL-DT-ST DVDRW
    disk1
       OS X Base System
    disk0s2 can't be verified...I get these errors when I try to verify or repair:
    Invalid content in Journal
    Invalide b-tree node sizes
    volume could not be verified completely
    invalid content in journal
    error: disk utility can't repair disk

  • Disk Utility: "Modifying Partition Map"

    Good Afternoon all. Im not sure whether this is a problem or not but i have run disk utility to partition my hard drive, and as of now it has been running for over 24 hours.
    700 Gb Hdd Partitioned at 487 ( Mac OSx ) and 210 ( Windows NTFS )
    The 210 was partitioned by Bootcamp and xp is installed and runs fine
    I am attempting to partition the 210 by 55 to allow for the inclusion of Vista
    I ran Disk utility yesterday around 9 or 10 and since then it has been saying modifying partition map.
    i dont believe it's frozen or has stalled because it responds and i have burned a disk using disk utility. however if i attempt to close it it warns me of damage.
    so my issue is whether or not i should just wait it out or if there is something safe i can do. Additionally if installing vista there is a bad idea i would like to be advised.
    Thanks In Advance

    It's most likely stuck and not going to finish. I experienced this once while creating a new partition for testing purposes. Force quiting will loose any unsaved changes including a partition that's being modified but it looks like your only option at this point. It should not affect your current Mac partition however I'm unsure if it will affect your XP partition. Boot camp works well but in general I would say it's not a good idea to try and re-size or split existing partitions that have data. To do what you want to do you could use Boot camp to create another partition but it would only take the space from your Mac volume. You would probably have to backup or make an image of your XP system then start over using Boot Camp to create the 2 partitions of the size you want.
    FYI: You would probably have a better chance getting an answer for this question over in the Boot Camp forum.
    George

  • Disk utility wont partition

    hi, i have an external firewire drive that i need to be mac os standerd to boot os 8.6 on a pre g3.
    disk utility in mac os 10.4 and 10.3 it looks like it partitions it fine (no error messages) i named the drive 6500 and partition it as mac os standerd. what it does is partition it as mac os extended journaled, names it disk1s3 and it wont mount, i did this with an ibook g3 with 10.4 and an ibook g4 with 10.3, and with 2 differnet harddrives. and it does the same thing.
    what it does when i press partition
    what i tell it to do

    How do you plan to install OS 8 without the CD? You'll need to boot that computer from a CD in order to install OS 8.
    In any event if you try to use Disk Utility then you need to:
    Extended Hard Drive Preparation
    1. Open Disk Utility in your Utilities folder. If you need to reformat your startup volume, then you must boot from your OS X Installer Disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger or Leopard.)
    2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
    3. Click on the Options button, set the partition scheme to APM then click on the OK button. Check the box to Install OS 9 Drivers. Set the number of partitions from the dropdown menu (use 1 partition unless you wish to make more.) Set the format type to Mac OS Standard. Click on the Partition button and wait until the volume(s) mount on the Desktop.
    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 Options 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.
    Disk Utility cannot prep a drive for OS 8.x, so I'm not sure if installing the OS 9 Drivers will actually mean anything for a drive with OS 8 installed. Furthermore, your OS 8 system must have the Firewire extensions installed otherwise it won't be able to boot or recognize a Firewire device.
    This is why you really should be doing everything from an OS 8 installer disc.

  • I want to partition an external device for OSX and Windows.  Opened Disk utility but Partition is not an option

    I want to partition an external drive for OSX and PC.  Went to Disk Utility but Partition is not an available option.

    Why not? does the partition tab not exist?

  • Disk Utility - Erasing a hard drive using MS-DOS (FAT)

    Hi all,
    I have recently purchased a 500GB external hard drive. I have used Disk Utility to format the drive from NTFS to MS-DOS (FAT) so I can use it with Windows PC's as well as Mac's.
    My issue is this.
    I copied a 1.16GB file over Firewire 800 to test the speed and then deleted it. After deleting the file the info pane still reports that 1.17GB of the drive has been used.
    Why is this?
    Thanks!
    David

    Did you remember to empty the trash can? If not, the file is in the hidden directory .Trashes on the Windows drive. You don't reclaim the space until you empty the trash.

  • Using Disk Utility to erase Hard Drive

    Hi All
    I just bought a new external hard drive and am using Disk Utility to erase and format it. I did not know for sure if erasing the hard drive was the right thing to do. Anyway I set up the Volume as follows from the mac help instructions:
    1.format OS extended journaled
    2.Install OS9 disk driver.
    3.("Zero all data" and "8 Way Random Write Format"). So it has been running for about 3 hours now and is only 1/8 of the way writing 0's to disk.
    My question is should I continue on and just let it finish up? At the rate it is going It might be done by sometime tomorrow.
    Or can I stop the erasing process without hurting the hard drive.
    Then start disk utility erasing the hard drive without this Zero all data.
    Thanks much

    Just to confirm your impression, S. Frigolett: yes, everything should be fine now.
    Zeroing a drive is advisable if you have reason to believe there may be bad data storage blocks on it; zeroing identifies those blocks and prevents them from being used (because using them would result in lost or corrupt data). A simple erase doesn't do that, but on a new drive straight from the factory there is no reason to think it's necessary.
    The 8 way random write option is for people who have extremely sensitive data to erase from a drive that may pass into other hands, and who want to be sure that no one short of the NSA will have any chance of recovering any of that data. A new, empty drive has nothing on it that even the NSA could recover, so there's no reason to erase it that thoroughly.

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