OS X :: Disk Utility Partitioning Does Not Work
May 11, 2008
I currently have Leopard installed on my MBP. A while back I installed Windows XP Pro SP2 via bootcamp. I have a 130GB Leopard partition, and a 18GB Windows partition. Now I want to add another partition, splitting the Leopard partition into two. I want to add a 20GB partition. I have cleaned my computer, and there is plenty of free space to do this. Currently 70GB free. So I go into disk utility, and try to partition. Doesnt work. Says that it failed to verify, repair disk. Then i boot from Tiger install disk, open disk utility, and verify disk. Says there are errors so i repair disk. Says that it repair worked. Verified again just to be sure, no problems. Go back into leopard and disk utility to try and partition, still does not work, I get the same error.
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Jun 12, 2009
I have used bootcamp to partition my disk and install windows vista onto my uMB. Now I want to partition the disk again to create a tri boot setup where I can either install ubuntu or the dev preview of snow leopard (I haven't decided yet). Can I just do this with disk utility and shrink my OS X partition in order to create a new partition or will this cause problems with the disk? I would really like to not do a fresh install of OS X because I have had to do this twice to fix disk problems relating to bootcamp.
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Jun 25, 2009
Here's my setup:
One, dual bay enclosure (1.5TB x2):
OWC Mercury Elite - AL Pro Dual Bay Enclosure
https://eshop.macsales.com/item/Othe...ng/MEFW934AL2/
and one, two pack of 1.5TB Seagate HD
http://accessories.us.dell.com/sna/p...550055-683153-
Total: paid $310 including shipping for the 3.0TB external setup.
I'm going to use FW400(since my MB pro has no 800 port) and partition this into two 1.5TB partitions. one for storage, and one for time machine backup. My question is if I choose 2 partitions in disk utility, will it automatically know to use one of the 1.5TB Seagate HD for one partition and the other 1.5TB seagate for the 2nd partition? Or will it use half of one and half the other? I would like one partition to be one seagate 1.5TB HD, and the 2nd partition to be the other, that way if one fails I have a backup (using Time Machine with one partition to backup the other 1.5TB drive).
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Mar 14, 2009
I use a G4 400MHz and need a defragmenting / partitioning utility, what are my options? Drive Genius requires more horsepower.
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Apr 8, 2012
I'm trying to restore the partitioning of my late 2011 Air drive, after messing it up while trying to dual boot OS X and Linux. The goal is to get rid of the superfluous partitions and resize the OS X one so I can use the whole drive again. Data loss is not an issue. According to Disk Utility the partitioning looks like this:
EFI
Macintosh HD
Recovery HD
06
[code]....
Info:
MacBook Air, Mac OS X (10.7.3)
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Jun 5, 2014
I was in the recovery hd, and i was partitioning my main drive into to partitions. while it was pertitioning, i accidently quit the disk utility. i saw that now the hd was in one partition and was nearly full (it was half filled before). i did a disk repair and it came back to half filled. now that i retry to partition it it gives me error
" Partition failed with the error: Couldn’t modify partition map because file system verification failed."
Is there anything I can do except from reinstalling everything?
Info:
MacBook Pro, OS X Mavericks (10.9.1)
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Dec 19, 2010
I have a hard drive with about 250 gb of film and music on fbut it's formatted as HFS+ which windows cant read! I need to partition the drive to make windows be able to read at least a portion of it. But If I run disk utility and create a partition will it erase the info I already have on there? I don't have this data else where so I hope it wont!
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Aug 26, 2009
I clicked "Verify Disk" and i got that, the other two options worked. I read up on this on Apple's site but I am not having any other issues than the notice. I was told to run Disk Utility ever so often to keep my mac fast. I just happened to do it today and I got that. I am trying to avoid having to do ANY sort of reformat.. I don't have any means of backup. Like I said I am not having any other problems. I am able to restart and log in without any problems. Should I be worried about this since there is no other issues besides the notice itself?
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Dec 3, 2009
I bought a 1TB Iomega Prestige drive, it worked great for a few months. Started making loud clicking sounds. Iomega sent me a replacement drive (refurbished).
I am using it as my time machine backup in Leopard, so it was really just a matter of plugging it in, formating it with the OSX file system and setting it up for time machine.
When attempting to format from Disk Utility, I get an error (see screenshot).
(Additional info: I can access it and format it without any problems from Windows 7 based PC).
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Dec 30, 2009
I am trying to create a new image from a DVD and burn it to a new DVD using the MAC Disk Utility "New Image" option. The source DVD is 4 G and my target folder is on my external HD which has 298G.. plenty of space. However, whenever I attempt to SAVE the existing DVD to my external HD, I am getting the error message that the file is too large. I have tried the parameter for "Image Format" of both 'Read Only' and 'DVD/CD Master' and neither of them work. My "Encryption" setting is 'None'.
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Oct 14, 2010
The last couple of days safari has been crashing pretty frequently for me. I've been using chrome no problem, but i do prefer safari, so I just googled it and got pointed to Repair Permissions in Disk Utility.
So I just opened Disk Utility, which I'm fairly sure I've never used before, and it's saying, under my HD "this drive has reported a fatal hardware error to Disk Utility. If the drive has not failed completely, back up as much data as you can and then replace it with a working drive."
It's saying it for both "FUJITSU MHZ2250BH FFS G1 Media" (I'm not even sure what that is) and "Macintosh HD".
There's nothing wrong with my computer? I've googled around and apparently this means my machines about to die?
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Aug 25, 2014
When launching in the Recovery HD mode, my click on the trackpad does not work and I am unable to select a Disk Utility. Product data: Macbook, Late 2008 running OS Mavericks 10.9.4.
Info:
MacBook, OS X Mavericks (10.9.4)
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Jun 27, 2009
I keep getting this error..."The disk cannot be partitioned because some files cannot be moved. Back up disk 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."So I've checked and my HD is already a Mac OS Extended (Journaled) volume. I've gone to Disk Utility and verified the HD, verified permissions, and repaired permissions. I don't know what else to do. I don't want to backup the entire drive and format it.
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Jul 20, 2008
it's that imac g3 again. I would like to know how to partition the hard drive without a bootable cd or any external drivesis it possible?ipartition (demo) says that I cant partition my hard drive if I boot off of it, but I have nothing else that I can boot off of.
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Jun 24, 2010
I've been looking through Google for help on this but I'm really failing. I've been wanting to partition my startup disc on my Emac (which is running Tiger) so I can have a Panther partition and a Tiger partition. I have many reasons for doing so, but I don't really want to go through that right now.
I tried going to Disk Utility, but apparently, the startup disk cant be partitioned while I'm on it. I'm a new mac user, so I am having difficulty figuring out how to partition my 40GB harddrive to have one 10GB volume that Panther can go to. From what I hear, I have to partition using an OSX disc, and then reinstall Tiger and then I can install Panther. Please tell me there's a simpler way. I really don't want to go through reinstalling Tiger again.
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Apr 7, 2009
I setup boot camp yesterday and it messed up, blue screen of death, unresponsive, etc. I deleted the partition and I tried making a new one. 40GB out of my 250GB (173 Free). I got a error that said i needed to restore my system, i do not have a external hard drive and i couldn't do that. Then i figured out what this error means:I read it has something to do with not having enough memory, where i have to defrag something, basically it was a long explanation but it made sense (I just deleted a 50GB file).So i was able to make a 5GB partition, and i'm like, "Ok, it works, ill try a 32". I tried a 32 partition and it just sits at "Partitioning Disk". If i open disk utility i can see
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Apr 30, 2009
Disk utility doesn't seem too happy with adding a partition to my existing time machine disk. It has 750GB capacity, with over 200GB avail. I'm just trying to add a 70GB partition and it raises errors every time. I even tried using a mac that doesn't recognize it as a time machine disk, just a USB drive. Still no luck. I cant delete the data on this drive, so its important I just resize and partition without deleting. Any other options other than disk utility out there?
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Aug 21, 2009
The title say it all, I've tried with my vista disc in the drive and out of the drive, given it a few goes for 10-20 minutes (recommended by people online) and then an hour just incase.
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Nov 8, 2009
I recently decided to partition my hard drive on my macbook in order to install Windows 7, but upon doing so I was greeted with a message informing me that some files couldn't be moved and that I would have to reformat my HD. I created a backup disk image using disk utility and proceeded to erase and reinstall my OS. My OS is now reinstalled but I don't know how to go about using my backup to add all my old preferences, files, and applications. I've tried using restore through the disk utility but it isn't allowing me to do so. All I want are my old files and the ability to partition my drive!
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Apr 1, 2012
how to properly format and partition an ext drive using Disk Utility. I will be making a clone using CCC.
Info:
iMac (21.5-inch Mid 2011), Mac OS X (10.7.3)
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Apr 3, 2009
I want to dual boot my ibook G4, 512MB RAM 1.33GHz processor with OS X and Debian Linux. I only have a 40GB hard drive, and was wondering that if I partitioned the hard drive, will the smaller sized OSX volume make a difference with the image created by the carbon copy cloner?
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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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