OS X :: Removing Partitions With Disk Utility Fails
Jun 23, 2010
Seems that I have messed up my Macbook Pro hark disk. Opening disk utility on macosx 10.5.8 shows that my disk in partitioned as this:
1)Macintosh HD
2)Apple_HFS disk0s3
3)Linux Swap
All of them appear to formatted as Mac OS extended (journaled) although the Linux Swap partition appears as Unmounted and cant be mounted nor use first aid on it. the others 2 appear to ok on verify disk test. What I want to do is remove partition 2 and 3. As I mention disk utility fails both under macosx and also when i use it booting from Mac OS X install disk. Should I use something like g-parted to boot from and re arrange my partitions or will this further mess up my disk? will MBR be affected?
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May 17, 2009
I have just had a new MBP delivered, its come through a company that provides machines for dyslexic students (myself). Its a replacement for my previous mac that I owned, suffice to say the other got destroyed. The company for some unknown reason put 2 partitions on the hard drive, its really annoying as I need to use the migrate assistant to put my old system on it and the 2 partitions are to small to accommodate it. My question.
1. Is it possible to combine these 2 partitions and if so how would I go about doing this from within the disk utility?
2. Is it also possible to transfer my partition over which held my bootcamp partition from my previous machine?
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Jul 23, 2009
I am trying to make a single partition with Mac OS Journaled but Disk Utility won't let me. I currently have 2 partitions: MacHD with 80Gb and partition B with 3,35Gb (Partition where I used to have XP with BootCamp). I finished with XP and erased that partition to become Mac OS Journaled. Now I try to have a single partition but I couldn't. On the Partition tab of Disk Utility, when I select the whole machine (FUJISTSU MHW2120BH) the option Partition is dimmed and won't work.
I also tried iPartition, but it tells me: To make changes to this disk you should either boot from an external drive, use Target Disk Mode with another Mac, or create a bootable CD/DVD. You can create a bootable CD/DVD by running Coriolis CDMaker, which should be available from you distributor. I thought my instalation DVDs would work as bootable, but: I tried with the Tiger instalation DVDs but it makes me chose one of the partitions to format and won't let me do both at once.
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Mar 18, 2009
Having a major issue: similar symptoms to others in the forum - with the fan and the computer not getting past the grey apple screen, I booted from the install disk and got to disk utility, at first all options were greyed out and I could not do anything, tried again a few times and finally got to the point where I could run the verify utility, never given the option to repair. When running the utility it failed and said I needed to repair by booting from the install disk and running the disk utility? Going around in circle here - any advice? I am currently running the Apple Hardware test to see if that shows anything...it has been a workhorse and I've NEVER had any issues with it.
Information:
PowerMac G5 Dual 2Ghz
Mac OS X (10.5.1)
4G RAM
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Sep 24, 2010
I've a lot of files in Mac and my time machine back up drive now. Since most of my files are spreadsheet, doc, MP3 files and they can inter use in my Mac and Windows 7 PC. There are 4 Mac partitions and one PC partition in Mac Disk utility I can use. Do you know which partition I can use and Windows 7 PC will see them. In this case, I can just use that partition transfer the files form Mac to PC?
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Jun 24, 2014
I want to merge two OS X partition into one. In both of them it's installed OS X Mavericks but I don't need anymore the first partition.
Here's a screenshot of the partition table
I need to merge the 123.3 GB partition with the 34.9GB. Using Disk utility, if I erase the partition number 2, then can i merge the empty space (formatted with Mac OS X journaled) into the partition number 1, without loosing any file?
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Dec 2, 2014
I'm using OS X 10.9.5, with Disk Utility version 13.
One of my internal drives has two partitions of 1 TB each.
Can I use Disk Utility to RESIZE one of the partitions to 1.75 TB?
Looking at the DU interface instructions, it says "To resize a partition on the selected disk, drag its resize control and click Apply."
However, Disk Utility says "To enlarge a partition, you must delete the partition that comes after it on the disk, then move the partition’s end point into the freed space. You can’t enlarge the last partition on a disk."
So, all I want to do is Reduce the size of the bottom / last partition; then, Increase the size of the top / first partition.
Can I safely do this by first dragging the last partition's "resize control" then dragging the first partition's "resize control"?
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Apr 27, 2010
I am thinking of doing a triple boot (SL, Debian and Win7). However because I am really doing this because I can (or at least attempt), it strikes me at some point I might decide I want to go back to all Snow Leopard. Now here's the thing; is it easy to increase the space of the SL install again if I decide to trash Win7. I'll build the space for Debian at the end as I am positive I won't be trashing that partition.
So something like:
Snow Leopard - 250GB
Windows 7 - 125GB
Shared Partition (probably NTFS) - 50GB
Debian - 75GB
The most likely partition to go is the Win7 one and I would like to either add it to Snow Leopard or the Shared Partiition. That is, I would like to increase the size of one of them.
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Sep 4, 2009
I recently replaced Leopard 10.5 with a clean installation (not an upgrade) of Snow Leopard 10A432 (SL) on my Intel Core 2 Duo MacBook (aluminum, 2GB RAM). Under Leopard 10.5 I was able to use Disk Utility (DU) to dynamically re-size existing volumes on USB hard drives. But under SL I am unable to do so. While I am able to replace all existing partitions on a USB drive with a new set of partitions and resize them prior to their creation by dragging the slider bars, once created, DU will not let me dynamically resize the new partitions. Doing so was easy with DU under 10.5. For example, after I re-partitioned a USB drive with DU under SL and created 2 partitions, I was able to make the top partition smaller by dragging the bottom edge upward from the lower right corner, but there seems to be no way (and no slider bars) to adjust the size of the lower partition to use the space freed by having made the upper partition smaller. In fact, although the upper partition reports a smaller size, when clicked on, the border around the upper partition still includes the range defined by its initial, larger size. There also seems to be now way (no slider bars) at the top edge of partitions that would allow them to be expanded/contracted from the top down. Has anyone else encountered these issues? Any thoughts/suggestions as to how to resolve them? Are these known issues? I have searched but not come across it as yet.
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Apr 13, 2012
I need an AppleScript to restore a bunch of partitions from a master drive to a stack of external target drives. I don't mind partitioning them 1st, if necessary.The master drive has 16 partitions, all equally sized, and I'd like a script to run that will have Disk Utility to just go down the list restoring each partition to the matching 16 partitions on one of the target drives.
Info:
Mac OS X (10.7.3)
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Aug 20, 2014
I have a new iMac using OS 10.9.4. I got an external HD for backup purposes and successfully formatted it. Now I want to create partitions; however, my Disk Utilities app does not contain any tab or command for creating partitions. Where should I be looking?
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Jun 19, 2010
Can one remove a boot camp partition. How many partitions can be defined.
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Mar 27, 2010
I know this isn't "Windows" per say, but I couldn't really find a closer forum to post in. I installed Ubuntu following their online guide using Bootcamp and such because I was curious. Now, it's not really working as much as I would like it to, and I'd like to remove the 90 or so Gigabytes I gave to Ubuntu in my partition.
I tried using the Disk Utility, and it always gets stuck on "preparing to remove partition". I waited for an hour and a half once, and it still had not progressed. I also tried using the Disk Utility off of my Mac OS X installation disk and saw the same failures and results. What can I do to remove this plaguing Ubuntu partition off of my hard drive for good?
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Aug 23, 2010
I am contemplating an upgrade from my 5400 RPM 500GB HDD to a 7200RPM 500GB Seagate Momentus XT.
The problem is I have a 400GB Mac OS X partition along with a 100GB Windows 7 partition.
SuperDuper and CCC seem to only support AFS+ partitions so I can move over Mac OS X easily, but neither can copy both partitions.
Is there some kind of boot utility that will clone the hard drive pretty much exactly? I'd prefer to not have to reinstall W7 on the new drive as I have an upgrade copy and it is a pain to get a clean install activated.
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Sep 5, 2009
I just upgraded my MacBooks hard drive and put in the install cd to restore from my time machine backup. Evedything went smoothly until I chose the new hard drive as the destination for the restore. I was told that the install failed to erase the hard drive and to restart and try again. So I did but when I try to erase or partition the drive, there is an error and it fails. The hard drve seems fine since it can be seen by disc utility but after it fails to partition or erase, it disappears from the disc utility forcing me to restart. The process I've done about 5 times now is boot the comp, choose time machine restore, then while the install is calculating the space the restore would require and searching for discs to install on, nothing shows up so I go to disc utility and try to erase or partition the drive only for it to fail and disappear from disc utility. At this point I hold down the power button to turn it off and restart the process.
The first time I tried, the restore process saw the drive while calculating the restores size requirements and allowed me to go the next step where it would automatically try to erase the hard drive (without me having to go into disc utility myself) but after the first try, it just says "searching for disks" and so I go into disc utility myself where I can see the disk.
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Dec 19, 2010
I'd like to save individual disc images of the OSX and Win 7 installs on two partitions on my drive so that I can restore the operating systems if I need to. How can I do this since both have different file systems? Do I use Carbon Cloner? How do I restore the Windows partition if I do this?
Also:
I installed Windows 7 32-bit Home edition on a 200gb partition using Bootcamp. I am installing and tweaking the Windows installation and would like to take a snapshot of the system after I have installed all programs and settings.
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Apr 6, 2010
I recently had to perform a Time Machine restore to my MacBook Pro after some internal hard drive issues. After the system restore I am unable to see the second partition on the external hard drive connected to my AEBS. The first partition is where I keep my Time Machine Backup, and I the drive auto-mounts and I can backup wirelessly.
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Jan 19, 2010
I purchased my mac from a friend of a friend a while back. It runs great and there are just a few custom things the previous owner did that have not caught up to me: the available disk space in Leopard is almost completely used up. There are two other drives (or partitions I believe they are called), each of which has roughly 25GB available. Does anyone know how I can get this free space in the other partitions transferred to my main leopard os?
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Apr 5, 2010
I'm a serious photographer and do my post processing in Capture NX2 (2.2.4). Sometimes, especially when saving files, it drags on interminably. I have read that one way to speed up NX2 is to create a scratch disk. I'm currently upgrading my HD on my iMac G5 (Leopard) to a 1TB HD. Would it be wise (and efficient) to create a partition on the new HD and use it as a scratch disk? I understand you can't use the boot drive as a scratch disk, but if I partition will I be able toname the new partition something other than Macintosh HD, thus permitting use of a scratch disk?
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Oct 7, 2010
After I erase the hard disk it shows 74.5gb free, almost. It says there is 42.3mb of space being used by 2 files which I understand are used for read write or partitioning or whatever.
When I then leave disk utility and go to the actual installer, the destination disk (untitled - 74.5gb) shows only 73.9gb free space. What is taking up an additional 500mb of space on the hard drive?
Apple support told me that somehow the disk has been altered and I lost space on the disk or I am now using a seperate partition that isn't showing up. Disk utility shows only one partition with 74.5gb free space. He told me I can find information about how to 'merge' the disk on the apple support section under troubleshooting articles for disk utility. I have been unable to locate this information.
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Nov 25, 2009
I am trying to repair my disk so I can install bootcamp, but when I reboot my machine and run disk utility and choose repair disk, it hangs. Does anyone have any ideas ?
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Apr 24, 2012
I have a 2TB Western Digital My Book Studio FW800 external that has 5 partitions, connected to my 2011 iMac. I had help doing the partitions and don't really remember the reasoning, but one is just for my SuperDuper! backup, one is Miscellaneous, one for movie clips off my camcorder, one for misc scanned photo's and one for my genealogy research. I back up using Time Machine to a Time Capsule and also to this WD hard drive with SuperDuper!
Recently I'm getting a pop up message that "Mac OS X can't repair the disk "Genealogy"'. And it needs to be reformatted. It's become a read only disk. When I look in Disk Utility it shows all the partitions as "Mac OS Extended (Journaled)" EXCEPT for the one in question. I also noticed that there are a lot of files with "date created" being the same date in 1969! These files may be letters I've written or photo's I added to that partition within the last few years.
I think I have to completely reformat the entire external hard drive to repair this, but I want to make sure. Because it's going to be a major hassle backing it all up to another external (having to get one first) and then figuring out how to make the files that have turned "read only" in that one partition, back to their original state! Does this sound right, that I have to reformat the entire external hard drive? And how do I get the read-only files back to their original state.
Info:
iMac, Mac OS X (10.7.3)
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Jun 24, 2014
I get this question mark along with a folder when starting up. I tried holding down the option key when turning on the power and then I get an internet recovery along with a globe. I click on the arrow below it and it takes maybe 15 minutes to start up. Then i get this disk utilities screen. I'm now unable to do anything. When going into disk utility, disk 0 shows with Mac OS X base system underneath it. All the clickable buttons are faded out. Is there something wrong with the hardrive? and where could i get this fixed? There isn't a warranty on it.
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Jan 2, 2010
Running Diks Util on my iMac 10.6.2. i am given this warning.
=========
Warning: SUID file "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAgent" has been modified and will not be repaired.
Is it something I should heed and what to do in that case?
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Oct 9, 2010
I had windows vista installed but suddenly the audio decided to become faulty, after spending a day trying to fix it i realized I have a windows 7 install disc so i might as well just replace vista with windows 7. I didnt take care of vista or ever register it so it became quite a task to upgrade so i just deleted the partition and went to create a new one and just do a full install of windows 7.
I made the partition but the wrong format, so i removed it through boot camp assistant and created another, except now it keeps giving me the "back up the disk and use disk utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using boot camp assistant again" Now, I'd love to do this, except I have no idea what I'm doing and WHY this error has occured. After becoming frustrated I switched from my imac to my macbook pro and received the same error when trying to create a partition. So any help on exactly what I need to do would be a HUGE help. I only use windows for music production (I know, seems backwards, but I use Sony Acid and FL Studio so I'm stuck with Windows)
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Feb 28, 2009
I'm trying to repair my hard drive. I restarted from the OS X Mac Mini install CD (holding down the letter C when I heard the chime), opened Disk Utility from the Utilities folder, selected my hard drive image, but the "verify disk" and "repair disk" options are grayed out. I'm at a loss as to how to proceed.
Information:
Mac Mini
Mac OS X (10.5.8)
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Jan 9, 2010
I have 43GB available on a 120GB drive on my MacBook base model and I'm trying to partition via BootCamp.I'm trying to allocate 32GB to the Windows partition but I keep getting the following error message:Back up the disk and use Disk Utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using Boot Camp Assistant again.Now I've backed up my disk and launched disk utility, and try to follow above directions here but the Mac OS Extended (Journaled) area is grayed out and when I click apply after highlighting the MacBook are (in blue), it errors out and says the disk is out of space.
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Aug 3, 2010
One of my drives is showing issues that Disk Utility isn't catching or can't find. I've heard about Diskwarrior, iDefrag, Drive Genius, etc... but which one is the most comprehensive, is there a "best of breed" disk app out there or one that does more than the others?
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May 14, 2012
Running Disk Utility's Repair Disk function from DVD, how long should this take to complete with a 1 TB drive? It's been nearly 24 hours so far. I booted the computer from the DVD, and after verifying the disk was told the disk needed repair.
Info:
iMac G5, Mac OS X (10.4.3)
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May 15, 2012
How do I launch disk utility from the Snow Leo install disk?
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