OS X :: Disk Utility - Formatting HD To Mac Extended (Journaled)
Aug 22, 2009
Just got a HD and I tried to format it to Mac OS Extended (journaled) From a MBR. After the erase is done it's still MBR!
HD Detail:
Name : FUJITSU MHV2120BH Media
Type : Disk
Partition Map Scheme : Master Boot Record
Disk Identifier : disk1
Media Name : FUJITSU MHV2120BH Media
Media Type : Generic
Connection Bus : USB
USB Serial Number : 000000000033
Device Tree : /PCI0@0/USB7@1D,7/@3:0
Writable : Yes
Ejectable : Yes
Mac OS 9 Drivers Installed : No
Location : External
Total Capacity : 111.8 GB (120,034,123,776 Bytes)
S.M.A.R.T. Status : Not Supported
Disk Number : 1
Partition Number : 0
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Jul 15, 2008
I've been having problems with 3 Maxtor 500GB 400/800/USB FW drives. They will randomly unmount themselves -- forcing me to turn them off, wait a minute, then turn them back on. There doesn't seem to be any pattern to when they unmount themselves. All three drives had been formatted using Mac OS Extended (Journaled), and I'm on the most recent version of Leopard.
Thinking I had 3 lemons, I called Seagate (who purchased Maxtor) for tech assistance. The tech guy told me that external drives should not be formatted using Journaled, only Mac OS Extended.
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Jul 5, 2012
How do I reformat a MacBook Air from Mac OS Extended to Mac OS Extended (Journaled) so it will boot / reinstall Lion?
Info:
MacBook Pro, Mac OS X (10.7.4)
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Aug 6, 2007
What's the difference between Mac OS Extended and Mac OS Extended (Journaled)? Which one is better to format an external hdd that's going to be use mainly as a scratch disk?
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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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Jan 19, 2011
My computer was acting slow so I ran Tech Tool. It came up with various Volume errors but they were all fixed. I noticed that this computer was formatted as Mac OS Extended but NOT Journaled like the other two in our office. I was unable to add Journaling with either Disk Utility or Tech Tool. Both cases said that "Journaling failed" or "unable to add journaling". I believe I used to have journaling because I often use Onyx for repairing disk permissions and various other processes and this was the first time that I encountered the error "Not possible to verify the start-up volume because it is not journaled". I ran the Apple Hardware Check and the Hard drive is fine. So, after trying the previous mentioned utilities again to try and "journal", I decided to perform an Archive & Install. I am in the process of updating the OSX software, but I noticed the HD still says Format: Mac OS Extended...Hmmmm. Can anyone shed any light on this problem?
PowerMac 2x2.66Dual-Core Intel Xeon
OSX 10.5.8
5Gb memory
232 GB hard drive with
External LaCie HD connected
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Jun 26, 2007
I've got an external HD. The first part is formatted to NTFS. The second part was formatted to FAT32. I plugged it in via Firewire and went to erase it to a journaled filesystem. It did something and left the drive unmounted. I could only format it to FAT32. Any ideas why I can't format it to journaled? I want to backup my user dir.
Edit: Tried another drive. 2 fat32 partitions. I tried to format the first and it didn't work. Formats to FAT32 well enough.
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Oct 12, 2008
Awhile back I made a Vista partition, shortly after I deleted the partition. I now want to make a new partition, but when I go through bootcamp to allocate space, it gives me an error saying i need to have a "Single Mac OSX Journal Extended drive.
The problem is, my drive shows up as Journal Extended. I would really like to not have to reformat my drive, as I do not have the CD's for all of my programs. Is there any way around this? I do have an external HD if necessary.
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Feb 21, 2010
I just recently realized that my Seagate external HD is under Mac OS extended (journaled) and not Mac OS extended. I only want to use this device for storage/backup and don't want to run anything off of it. Is there any non-destructive way to change it to just extended? If not, what are some of my alternatives?
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Nov 11, 2008
Mac OS 10.5.5 Disk Utility not formatting Ext. HD properly.I was originally able to use my external Hard drive Seagate 300GB right out the box without formatting on my Phillips DIVX-compatible DVD players as well as my Sony PS3 to watch .AVI and MPG files on TV.
Well, last night I needed to swap some files via Time Machine and had to re-formatted my Ext HD. So once that is done I go to format back with Mac OS 10.5.5's Disk Utility, but this time using the MS-DOS (FAT32) option since that is how it will work with the DVD players and PS3. But the drive wasn't recognizable with either DVD players or Sony PS3.
Now here's the kicker! I had my old iBook with Mac OS 10.4 and decided to format the drive using it's Disk Utility version and now the drive is recognizable on both DVD players and PS3.Obviously something is different with the latest version of Disk Utility on Mac OS 10.5.5! Does anyone know why Leopard Mac OS's Disk Utility is formatting differently than previous versions of Mac OS? What's the deal here?good thing I didn't give away my old iBook... Is this an Apple conflict or ???
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May 18, 2009
I have a USB key and would like to format it under NTFS, under Disk Utility, there isn't that option. I don't really have time to google this, does someone know what to do? Is there a console command to do?
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Dec 11, 2009
I've got an 8GB Sony Micro Vault Pen Drive that's stopped working. When I opened up Disk Utility it appears but doesn't give me the option to erase.
Can I try doing it with anything else before I bin it and buy a new one.
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Sep 30, 2010
I am trying to format a SDHC card on my MBP. I am trying to create a recovery SDHC disk for my MBP.
The disk is a Transcend 16gb (class 10).
I formatted to Mac OS Extended (Journaled) w/ a GUID Partition Table but after this, Disk Utility is now showing only 10.38 gb of usable space, but finder is showing me the full amount (15.79 gb). When I look in finder there are NO files or folders on the drive.
I tested trying to put more than 10.38 gb worth of files on the disk and was told there was not enough space. If I format the disk to anything other than Journaled, I get the full 15.79 gb. Has anyone ever experienced this before?
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Mar 31, 2009
I've been backing up my Powerbook G4 for a few months using Time Machine to an external firewire drive with two partitions; one for the backups, and a much larger one for all my music, video, pictures, etc. I got a new mac mini over the weekend and I want to format the Time Machine partition without erasing the one with all my other files so I can start backing up the Mini.
Is this possible using Disk Utility? If so, how?
Both computers are running Leopard.
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Jul 27, 2010
I just got my new Seagate 640gb external hard drive and am in the process of formatting it on my MBP. However, I am not sure which format to do? My main use for the hard drive is for transferring media files back and forth between my MBP and PC using just one partition on the drive. I already know I'm not supposed to pick 'Mac OS Extended (Journaled)' because I believe that is to use it as a boot drive. So should I pick 'Mac OS Extended' or maybe 'Free Space'?
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Apr 15, 2012
How do I reformat my external hard drive with Mac OS extended using desk utility?
Info:Mac Pro, Mac OS X (10.5.8)
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Mar 20, 2012
I am trying to install Mac OS X Lion I just downloaded. At the step where it asks you to select a disk to install, I got this message:"This disk is not formatted as Mac OS Extended (Journaled). Use Disk Utility to enable journaling or reformat the disk."What does this mean? Please help me through the steps to complete my installation of this software.
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iMac, iOS 5.1
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Jun 4, 2014
MBP 2012 running on OSX10.9.3 crashes frequently. Disk Verification gives an error during "Checking extended attributes file." and asks for reboot and repair. No error could be detected and no repair would be done when DU is run during restart.
Info:
Mac Pro, OS X Mavericks (10.9.3)
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Aug 19, 2008
When I try to format my Western Digital "MyBook" external drive, I get an error. It says "could not unmount the disk." What does this mean, and how do I fix it? Also, what's the difference between Mac OS Extended (Journaled) and not journaled?
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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.
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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.
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Aug 3, 2010
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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.
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