Windows On Mac :: Partition Error - Back Up Disk And Use Disk Utility To Format

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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Windows On Mac :: Need To "Back Up The Disk And Use Disk Utility To Format It?

Apr 30, 2009

I am having an issue Partitioning my Internal HDD because some files cannot be moved it was able to Partition a while back when Installed Vista but I deleted that Partition as I needed a bigger one for Windows 7 Beta It says I need to "Back up the disk and use Disk Utility to format it as a single Mac OS Extended (Journaled) volume." does that mean I have to reformat my entire HDD? as I don't want to do that.

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Windows On Mac :: Back Up The Disk And Use Disk Utility To Format?

Nov 2, 2010

so i got this 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." what do I do

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Windows On Mac :: Will Disk Utility Format My Partition To FAT32

Feb 5, 2009

I noticed in disc utility that under the erase tab it has the option to format a drive to fat32. If I create a windows partition using bootcamp and then go into disk utility and erase to fat32 will this allow a boot into the xp drive? My xp disc keeps restarting before it gives me the opportunity to format the drive to either a ntfs or a fat so I need a way around this?

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Mac :: Back Up Disk And Use Disk Utility To Format It As A Single Mac OS Extended Volume?

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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Applications :: Disk Utility Won't Format Or Partition External Hard Drive

Apr 18, 2010

The hard drive is a 1TB Western Digital my book I bought it in January I think. I tried to format it to Mac OS Extended (Journaled) when I got it but for some reason every time I try to erase the part thats named disk3s2 or partition the main one it stops a little before half way through. I don't think its the hard drives fault so I called apple about it one day and they helped a little but it didn't work. Thanks in advance if you can help me. Also a few times I waited about seven hours for it while I was at school and when I came home it didn't move.

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OS X :: Disk Utility - Erasing Partition Error

Nov 21, 2008

I installed Ubuntu on my iMac, and it made 2 new partitions: DISK0S3 and Linux Swap. Here's what my disk utlity looks like: When I try to remove Linux Swap, it says that the partition (map is too small. When I try to remove DISK0S3, nothing happens and it keeps running forever before I press +Q to quit.

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OS X :: BootCamp & Disk Utility - Partition Error

Jun 7, 2010

I just restore my Mac OS to a single partition and then I tried re-partitioning but it's giving me an error.
I've tried several times, tried using different sizes every time. My HD's capacity is 250GB, and I've got 108.95GB free. So I am sure that making a new partition of 35 - 40 GB is not a big deal. I also tried using Disk Utility, both from the Mac OS install disc and while using the Mac OS itself, but it keeps giving me this error. I do not want to format my Macintosh HD's partition because I don't have an external HDD on me at the moment so I will not be able to back up. I have a lot of important data that can not be deleted.

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Windows On Mac :: Use Disk Utility To Create OSX Partition / Working After Manual Partition

Jan 12, 2010

First some background info. I recently purchased a 1TB hard drive for my 13" MBP, and I am about to do a clean install of OSX 10.6 and Win7 64bit on separate partitions.

And I want to setup the partitions before I install using Disk Utility. The reason for this is because I'm under the assumption that when creating a NTFS partition its better for the disk to be blank so it can put the MFT(Master file table) and MFT Mirror wherever it wants instead of some random spot on the disk (that way disk writes will be faster). The MFT thing was true when converting a FAT32 disk to NTFS. Nativity formatted NTFS disks were always faster then ones converted from FAT32, because the MFT was spread out instead of at the start of the disk.

I'm worried that installing OSX and then using the bootcamp utility will cause the MFT on my NTFS partition to end up in a un-optimal place and disk Reads/Writes will be slower.

Ok, so here's my questions.

1.) Should I be using a GUID Partition Table or Master Boot Record(Remember OSX 10.6 and Win7)?

2.) Should I use Disk Utility to Create a the OSX partition and then leave the second partition as Free Space? / Or should I use a third party utility and make the OSX partition and the NTFS partition at the same time?

3.) If I do create the partitions Manualy, will bootcamp still work correctly?

4.) Should I Use Journaled or Case-Sensitive Journaled on my OSX partition?

I know all of the questions were stupid, but there isn't any info on the web about it.

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OS X :: Create Another Partition External Drive Using Disk Utility - HPFS + Error

Apr 28, 2010

I have a Lacie 1TB external drive. I'm trying to create another partition on it using Disk Utility so that I can use one of the partitions for Time Machine. When I go to add another partition, or even just resize the existing one, I get an error saying drive must be HPFS+ with Journaling enabled. It is. I've seen reference to this error in searches, but have not found a solution. Is there a fix for this, or another tool that I can use to re-partition my drive without wiping out existing partition? I have about 450GB worth of data on the drive that I might be able to store somewhere else temporarily, I would just prefer not to have to go through that....

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OS X :: Disk Utility Failing To Format Ext. Fire Wire Disk

Dec 2, 2009

I have a problem with Disk Utility , when trying to format an external fire wire drive.

I cleaned out the drive and proceeded to erase it with zeros. After this Disk utility will not display the subdirectory or verify, repair, partition, erase the disk. The main disk name is still visible, but I cant access any functions.
Error message says input output error.

DiskWarrior will not help, as the original directory is beyond recovery.

I suppose that I have damaged the original directory, and now I would ask the honourable forum if there is any remedy for my actions?

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Windows On Mac :: Using Disk Utility To Erase And Make New Partition

Feb 27, 2010

My Computer: 2.8 GHz intel Core 2 Duo Mac, running OS X Ver. 10.5.8. I've partitioned my hard drive before, but in order to get more space on my Windows partition I have made a disk image using a program called Winclone. I also backed up important files to my external hard drive, and then used disk utility to erase and make a new partition so I could restore the Winclone disk image I made and have everything back. What I'm concerned about is I've been waiting for this new partition (65 GB) to finish being made and its taking a while. I read that if you stop the process it could damage the OS X side and you could lose all your files.

I started to run time machine about 10 minutes ago and set the destination to my external drive for backup (Its a huge drive, it can hold 650+ GB so I'm not worried about running out of space.) Do I stop Disk Utility and risk it? Do I let it run? Do I kiss my computer goodbye and pray that Time Machine backed everything up right onto my external hard drive? I don't know if Time Machine is working correctly because I started it after I began to partition my hard drive. What to do. Should I let Time Machine back everything up, the disconnect my external and end Disk Utility?

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Windows On Mac :: Deleting Win7 Partition With Disk Utility

Mar 24, 2010

I am planning to upgrade my Windows 7 32 bit bootcamp partition to Windows 7 64 bit. I know I have to do a clean install to do this, so I am planning to wipe my Windows partition and start from scratch. I am trying to figure out how to remove my bootcamp partition though. If I use the bootcamp assistant, it seems like it will only give me 231gb of space back for Mac OSX. I have a 250gb HD, so where is the extra space going since my Windows partition is 42gb? Can I just delete it with Disk Utility to recover the space back? Could I possibly screw this up by using Disk Utility?

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OS X V10.7 Lion :: Disk Utility Can't Repair Disk (1 Partition) On External Hard Drive

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.

iMac, Mac OS X (10.7.3)

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OS X :: External Disk Not Showing Up In Disk Utility - Erase Partition

Sep 7, 2009

Anyone knows why my external HD (USB disk connected to Airport extreme) does not show up in disk utility? (It sits on my desktop just fine and is fully functional) I' want to erase a partition but now i don't know how.

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OS X V10.7 Lion :: How To Use Disk Utility To Repair Encrypted Disk Partition

Apr 6, 2012

I have run the Disk Utility verify function against my system partition. It tells me there are minor issues that need fixing up and I should run the repair disk function, by booting using Command-R and using the Disk Utility to repair the drive.Problem is, when I boot using Command-R and select Disk Utility the partition is shown greyed out and the Verify and Repair options do not work.I think this could be because the partition is encrypted. The utility does not offer me the chance to unlock the partition with my passphrase.How can I repair the filesystem errors on this partition?

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Windows On Mac :: Unable To Mount Partition - Grayed Out In Disk Utility

Dec 26, 2010

I can boot into bootcamp with no problems. I have been wanting to be able to open the bootcamp in Parallels. Here is the issue:

1. The partition 'disk0s3' is greyed out in Disk Utility. It is not mounted. Mounting does nothing.

2. For reference, the Windows 7 is formatted as NTFS. It is a Windows 7 64-bit install

3. Verify disk does the following:
Verifying volume "disk0s3" ** /dev/disk0s3
Invalid BS_jmpBoot in boot block: efbbbf
Error: This disk needs to be repaired. Click Repair Disk.

4. repairing does the following:
Verify and Repair volume "disk0s3" ** /dev/disk0s3
Invalid BS_jmpBoot in boot block: efbbbf
Volume repair complete.Updating boot support partitions for the volume as required.Error: Disk Utility can"t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.

I have stuff on the Windows partition that I don't want deleted. I'm really stuck on this -obviously, I can just continue to boot into bootcamp, I just would rather open it from Parallels. I'm not sure what or if I made some mistake in setting up Bootcamp, I thought I followed the directions to that. I do know I formatted the partition as NTFS during the install - as I think Windows 7 requires it. I have tried installing NTFS-3G - it is installed, but didn't do any good when trying to mount the drive.

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MacBook Pro :: Delete Old Windows Partition But It Doesn't Appear In Disk Utility

Jun 13, 2012

I can't find my windows partition it just shows as Macintosh HD. Although when I go into bootcamp it shows there is still 20gb assigned to windows but I screwed it up as I tried to extend the amount of GB I allowed to windows without reinstalling it. However I don't know what to do in Disk Utility now? 

Model Name:MacBook Pro  Model Identifier:MacBookPro7,1 Processor Name:Intel Core 2 Duo Processor Speed:2.4 GHz  Number Of Processors:1  Total Number Of Cores: 2  L2 Cache:3 MB  Memory:4 GB  Bus Speed:1.07 GHz  Boot ROM Version:MBP71.0039.B0B  SMC Version (system):1.62f6

MacBook Pro

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OS X :: Disk Format Choice In Disk Utility?

May 7, 2010

I have an external hard drive that I'm planning to use for my iTunes Music library, however, I plan to access the hard drive from both my Mac and Windows PC.

Now I know I could format it as FAT32 (MS-Dos Format) in Disk Utility, however, from my understanding, this wont allow files larger than 4GB ... which could be a problem in future.

If I were to format it as the Mac Journal extended format, would I still be able to read and write to this from my Windows PC? Any ideas, or other work arounds for this?

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Mac Pro :: Scratch Disk Partition And Size With Disk Utility

Sep 8, 2010

My new 2010 hexacore Mac will have 24G memory, an OWC Extreme Pro 120G SSD (positioned in the lower optical bay) and four 2TB WD RE4 drives. I'll use my old Synology 209 NAS (two 1TB WD Green Raid 1 drives) for TM backups over 1000Mbps Ethernet. Yes, I'll need to upgrade to a larger NAS very soon. This will be my first Mac Pro (have MBPs and iMac) and will be used for web design and development (mostly Adobe CS5 products).

The SSD will be used for boot and application files. I plan to use Disk Utility to create a 1+0 Raid array for data files. For a Scratch disk, should I:
1) create a partition on the 1+0 Raid Array for Scratch
2) partition a chunk of the SSD for Scratch
3) attach a spare external 2.5" WD drive via Firewire 800 for Scratch

Based on my reading, it seems that option 1 makes the most sense but I'm not entirely sure if you can partition a 1+0 array with Disk Utility. I'm pretty sure option 3 is quite silly but wanted to toss out the idea. Lastly, are there any generic recommendations on scratch volume sizing?

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OS X :: Disk Utility - Adding Partition Without Erasing Disk?

Nov 20, 2009

I have a 640GB external USB hard drive that I use for time machine currently. I would like to go in and add a partition to load movies to and plug it into my PS3. Can I use disk utility to create a new partition without erasing the stuff already on the disk?

And then is it possible to format a partition larger than 32GB as FAT?

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Windows On Mac :: Bootcamp Backup Via Disk Utility - Restore With Or Without Deleting Partition?

Jun 23, 2009

I would like to "Back-up", "Clone" or create an "Image" or whatever else people call it of my bootcamp installation. I know I can create an "Image" of bootcamp via disk utility but how would I restore it?

Would I first delete the bootcamp partition and then re-create a bootcamp partition and then restore? Or would I just restore? Will the end result be what I am expecting, i.e., my Win 7 install right back to the perfect state of when I created the image?

Right now, let's say my Windows 7 install got smoked one day for whatever reason (it is windows...) and I needed to re-install. Me personally, I would just go into Bootcamp Assistant, delete the Windows partition then create a new one and then get installing. Unfortunately installing and updating takes hours and that is what I am trying to avoid.

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OS X :: Disk Utility To Verify Disk Ends With Error?

May 10, 2010

I'm running OSX 10.4.11 on a 12" PowerBook 1.5 GHz with 1.25 GB of RAM and an 80 GB HD.

When I run the disk Utility to Verify Disk, it ends with the message, "Error: The underlying task reported failure on exit." This happens if I run the Disk Utility from the hard drive, from the OSX installation disk or from an external hard drive.

The Repair Drive button is always grayed out no matter where I am running the disk Utility from, too.

So far, I haven't had any other unusual things with the operation, but I'm concerned that this could be an early warning of problems to come.

Has anyone else had this problem or have a clue?

I have cloned the entire hard drive onto an external drive with Carbon Copy Cloner. I know PPC systems won't boot from a USB drive, but I was considering booting from the install disk, re-formatting the drive from there and then re-installing from the external by running CCC from there. I hope someone will have a direct solution to repairing the drive without doing all of that.

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OS X V10.7 Lion :: Error With Disk Utility When Repairing Disk

Jun 26, 2012

I just got my computer yesterday and when running the "repair disk" function, I already get an error! Since I used migration assistant to move everything off my old mac to my new mac, I'm not interested in reinstalling the whole OS and transffering all my files again. This is a new computer, and shouldn't have this problem this early. I also get the same result when starting up in the recovery partition. How do I resolve this?

MacBook Pro with Retina display, Mac OS X (10.7.4)

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Windows On Mac :: BootCamp Partition Disk Process Stuck With Error

Apr 22, 2009

I have an alu iMac with a 500GB HDD. There is about 200GB free. Every time I run the Bootcamp Assistant, choose a Windows partition (doesn't matter what size), it sits with the progress bar spinning for ages before it gives me the error "Disk could not be partitioned as some files cannot be moved. Please reformat the disk and try again". There is no way I can back the disk up, reformat, reinstall and re-update everything. No other apps are running when I run the Bootcamp Assistant.

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OS X :: Disk Utility Error / Disk Could Not Unmount

Apr 2, 2010

i'm trying to format a spare external, it's currently formatted to ms-dos for back up dutys on my PS3 but i want to change it to mac os extended

i've just plugged the drive in ( USB ), nothings running on it, or open on the computer from the drive, but disk utility wont erase it, i've checked permission and everythings fine but it just keeps giving me this error

google and apple fail, only thing i can find linked to it refers to operating systems running on the drive,

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Windows On Mac :: Creating Window 7 Boot Disk W/Disk Utility

May 26, 2009

I'm currently in the process of trying to install Win7 on my Macbook Pro (purchased July '07) using an ISO burned to a DVD with Disk Utility. Unfortunately, the DVD isn't bootable, and while the symptoms match what's in this blog post, the author's solution involved using a Windows-only program.

I'd like to know if it's possible to re-burn the ISO without the version number in the filenames as in the original solution, but with Disk Utility or something else that a Mac can use.

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Windows On Mac :: Partitioning Disk With Disk Utility After Using Bootcamp?

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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MacBook Pro :: Can't Format In Disk Utility

Jun 30, 2014

I have an 8gb SecureLock Media memory stick and I cant write to it its currently formatted to FAT32 and was working perfectly fine before, it allows my to drag files of it but i cannot write to it, I can't reformat in disk utility. 

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Hardware :: Disk Utility Would Not Format The Drive?

Mar 26, 2009

Despite the dire warnings about the Seagate drives that I read all over the place, I decided to buy this drive. Dell had a great price of $129 with free shipping.

It is going to supplement existing storage capabilities as a secondary backup so I'm covered if the drive does experience any of the problems that others have experienced. So far the drive is running great. I have copied nearly 800GB of data to it with no issues. I have the drive connected to an AEBS. I have been able to stream movies from the drive with no problems. It looks like Seagate has resolved the firmware issues that have plagued the drive in the past.

My only issue was that it was a bit of a pain to reformat the drive. For some reason disk utility would not format the drive until I created and then deleted two partitions.

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