Disk Utility Hangs "Closing Session" when attempting to burn a disk image

I have been trying to burn a DVD of a disk image created with Disk Utility and the process repeatedly gets hung up on "Closing session". I have let it go for 15 hours (I assume that is long enough) before force quitting DU. Additionally, the drive is completely unresponsive until a complete reboot is made.
I have searched the discussions but can't find the same problem addressed elsewhere. Does anyonw have any suggestions?
Thank you.
PMG5 - Dual 2GHz Mac OS X (10.4.3)

Hi Marc,
Did you got any reply on this issue as I have exactly the same problem.
I actually broke up after 12 hours for 13GB to image.
best regards
Jean-Claude

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Disk Utility hangs ("not responding") when attempting to Repair Disk on Time Capsule sparsebundle. Help.

I am trying to improve the performance of my Time Machine backup and retrievals via my 2nd Gen. Time Capsule from my iMac Core 2 Duo hard drive with SL 10.6.8. The incremental backups generally take 20 - 40 minutes each hour generally with fewer than 100 MB of data being backed up. I have read through numerous threads on these forums about Time Capsule and Time Machine issues as well as the very helpful Pondini site (http://web.me.com/pondini/Time_Machine/Home.html) and have tried many other suggestions (listed below), but have been unable to attempt a Disk Utility repair disk on the Time Capsule sparsebundle file.
After locating the sparsebundle 'file' in the finder under Shared/TC/Data, I am only sometimes able to drag the sparsebundle into the Disk Utility volumes and disk window. About fifty percent of the time, Disk Utility hangs when attempting to drag in the sparsebundle. If I am able to get it listed and click on "repair disk", then the beach ball begins to spin and nothing happens. This occurs whether or not I first use AirPort Utility to "Disconnect All Users" from the Time Capsule. I have given it over one hour to attempt the repair disk, but nothing happens, i.e., not a single message shows up in the detail window. The beach ball just spins, and Disk Utility shows up in red as "not responding" under the Force Quit menu.
Also note that on my new Macbook Air, Time Machine runs quite quickly via this same Time Capsule from my new Macbook Air using OS X Lion (which seems to indicate that the Time Capsule drive itself is OK).
I would appreciate any tips on getting Disk Utility to run "repair disk" on my sparsebundle, as I seem to have exhausted most other options (see below) for improving Time Capsule performance -- aside of course, from wiping the Time Capsule clean and starting all over.... (which I really don't want to do, and from what I've read, has not helped some people who've tried this anyway).
Many thanks!
Although I would like to focus this thread on the Disk Utility / sparsebundle "Repair Disk" problem, I should mention that I have tried the following other things:
1. Repaired disk permissions on my hard drive
2. Used Disk Utility to run "repair disk" on my hard drive after starting up from a SuperDuper external backup
3. Run DiskWarrior on my hard drive, again, from a separate startup disk
4. Did the "full reset of Time Machine", a la Pondini Troubleshooting #A4
5. Changed my computer and Time Capsule names to simple short names with only alphanumeric characters and no spaces
6. Ensured that my Time Capsule is being accessed only via ethernet
7. Relaunched the finder
8. And finally, attempting to use Disk Utility to repair the sparsebundle - thus the nature of this post

OK, no takers out there, but I answered my own question (sort of).
The answer is that even though Disk Utility shows up as "not responding" under the Force Quit menu and appears to hang, it is actually still working. A bit of patience shows that after about an hour, my Disk Utility was able to show the 1.44 TB Time Machine sparsebundle from Time Capsule in the disk window on the left hand side. Once this appeared, I was able to click on "Repair Disk" (note that prior to doing this, I had to "Disconnect All Users" from my Time Capsule using the Airport Utility program; otherwise you will get a "could not unmount disk" error). Again, the Repair Disk function appeared to hang Disk Utility as it showed up as "not responding" under the Force Quit menu. However, after about 8 hours, Disk Utility did run the entire Repair Disk protocol on the sparsebundle. The results DO NOT show up in the Disk Utility details window - so even if you are patient enough to let it complete, you will not see anything and may think that nothing happened. However, you can find the familiar results of the Repair Disk function by looking on Console - find the "DiskUtility.log" under Files: ˜/Library/Logs.
Unfortunately, I was hoping to find a problem that would have been subsequently repaired which would result in dramatically increased Time Capsule speed, but this was not the case. Disk Utility showed everything to be "OK" and I am stuck with a very slow Time Capsule....
(And of note, my new Macbook Air (OS Lion) Time Machine functions blazingly fast on both backup and retrieval to and from the very same Time Capsule - even though, these are occuring wirelessly via AirPort -- granted the size of this sparsebundle is an order of magnitude smaller at this point, i.e., only 10 GB right now)
Would still be happy to hear of any similar experiences or tips on getting Time Capsule to work more quickly.

Disk Utility "Input - Output error" when attempting to erase Hard Drive

Hope that someone can point me in the right direction.
I bought an external hard drive for Windows a year back and loaded music onto it. I realized that I my MAC wasn't getting "Read / Write" privileges for the External Hard Drive, so I decided to try to Partition it and make it into a FAT readable device. It erased all data from my hard drive, but Disk Utility stopped the process and displayed an "input - output error".
Consequently, I can't initialize the external hard drive to make it usable on my MAC.
Can anyone point me in the right direction so I can "reformat" my external?
Thanks!

Hi all,
I'm having similar issues on a white macbook (2006 model). I ran into some trouble with it about a month ago, when on booting up, it showed only the folder with a question mark. Booting up from the original grey install DVD worked, so I thought the problem was most likely a faulty hard drive.
It's only after having this problem, that I came across this recall for possible faulty hard drives, that Apple offered:
http://www.apple.com/support/macbook/hd/repairextension/
Doh! Too late?
So, I got onto ebay and picked up a deal and received my new hard drive yesterday. I swapped out the original 80GB with 320GB, only to find the same input/output error described by the OP, here (also in a couple of other Apple discussion posts - see below).
Disk utility shows the new hard drive to be 2.3TB in size! Should be 320GB - but, this is also what others have described. See e.g.,:
https://discussions.apple.com/message/16090313#16090313
I've run the extended testing from the CD (holding down 'D' on boot-up) and it reported no problems. Also, similar to others experiences:
https://discussions.apple.com/message/16081818#16081818
So, what can the problem be?!?!?!?!?
In this post, JMPC suggests it has something to do with the size of the new internal hard drive....groan.....:
https://discussions.apple.com/message/16145560?tstart=0#16145560?tstart=0
Can anyone confirm this?

I am trying to burn a disk with disk utility. It says when I try, "Burn to Super Drive". What does this mean?

I don't want to burn to the wrong location and mess up my computer.

That is the name of your DVD Player/Burner. It is the SuperDrive.

Disk Utility hangs when erasing external disk

In Time Machine I wasn't able to figure out how to attach an external drive via USB. I guessed that it probably wouldn't work on a MS-DOS filesystem, so I started Disk Utility, which I never have used before. I have formatted disks before on Linux and on Windows, so it's nice to see a great app for this.
In the Time Machine brief help text, there is not mentioned what kind of filesystem that is required or if it work with any filesystem. So I searched, and it seems as if HFS+ journaled case-insensitive is the filesystem that one should choose. Can anyone confirm this?
When I click erase then the Disk Utility program hangs and I see the spinning beachball. The Activity Monitor program shows that disk activity stops after a few seconds. There is no more activity, so after 5 minutes I stop the program.
I have tried several times, and I see the same behavior. I even tried restarting the computer. But no luck.
Now my external disk no longer shows that it's a MS-DOS filesystem, but shows that it's HFS+ journaled case-insensitive. Probably not ok so far. I try creating a single patition, with format: HFS+ journaled case-insensitive, without OS 9 drivers installed. When I click apply then spinning beachball again and diskactivity stops after a few seconds, and I stop the program after some minutes where it has been inactive.
My guess is that the disk-erasing task failed and has left the disk in a broken state. During this task Disk Utility began to hang for a reason that I don't know.
My second guess to why the create-partition task failed, is that the disk is in a broken state, and thus the partition cannot be created, and Disk Utility hangs.
How do I format the external disk from the command line?

In Disk Utility, select the drive mechanism (not the volume on it) and click the Partition button. Use the Options button to choose the GUID partition scheme, then make one HFS+ (Journaled) volume.
There is no point in using the command line for this task, because if Disk Utility cannot deal properly with the disk, Mac OS X will not either. Disk Utility is using diskutil to do the partitioning and formatting.

IMac (27-inch, Mid 2011) 2.7 GHz Intel Core i5 4 GB 1333 MHz DDR3 running10.10.2 (14C1514). Trying to install Windows 7 64 bit from an install disc. When attempting to create an ISO image I can save the file in disk utility but can convert cdr to iso

iMac (27-inch, Mid 2011) 2.7 GHz Intel Core i5 4 GB 1333 MHz DDR3 running10.10.2 (14C1514). Trying to install Windows 7 64 bit from an install disc. When attempting to create an ISO image I can save the file in disk utility but can convert cdr to iso. I select the file and the hit return as in step 8 of the Creating an
iSO image document but the box that should open to select use iso does not open. How should I proceed?

The Mac SuperDrive built into your Mac is the Optical drive.
1. Insert your Windows DVD in Optical drive. Disconnect any external storage.
2. Insert a USB2 Flash drive. This will be used to hold the BC drivers.
3. Start BCA. Check the options to download software and Install Windows. You do not need to download Windows. The BCA will download the BC drivers to the USB.
4. Partition your drive.
5. You can see the Windows installer screens at https://help.apple.com/bootcamp/mac/5.0/help/#/bcmp173b3bf2.

Disk Utility hangs attempting to erase SimpleTech 100gb external USB disk

I'm attempting to erase and format a SimpleTech 100gb external USB disk. Disk Utility hangs. The system error log says:
"AppleUSBEHCI[0x1d59000]::Found a transaction past the completion deadline on bus 91, timing out!
Jul 21 17:30:35 Kari-Hohnbaums-Computer-2 kernel[0]: USBF:"
The console log (and Disk Utility log) shows:
Preparing to erase : “PBEX1”
Creating Partition Map
error writing partition map: Device not configured (6)
Disk Erase failed with the error:
What is the problem? This disk is recognized by Tiger but only as read-only as it ships as an NTFS volume and must be erased and reformatted before it can be used by a MAC.
All help appreciated.

I tried the partition approach and it unfortunately failed as well. The same "hung" symptoms as before. The green light (disk activity) on the disk flashed several times at the initial request, but that was all. I eventually interrupted it after a hourn which generated the same system log message: AppleUSBEHCI[0x1d59000]::Found a transaction past the completion deadline on bus 91, timing out!
The disk utility log says:
Preparing to partition disk: “SAMSUNG HM100JC Media”
Partition Scheme: Apple Partition Scheme
Mac OS 9 Disk Drivers installed
1 partitions will be created
Partition 1
Name : “PBEX1”
Size : 93.2 GB
Filesystem : Mac OS Extended (Journaled)
Creating Partition Map
Partition failed for disk SAMSUNG HM100JC Media Device not configured
Partition complete.
I don't have easy access to a Window's box. I do have access to a Linux system. Perhaps I can configure it there and it will work on my PB.

Disk utility hangs MAC G4?

Why does Disk Utility hang when starting? ~ Doug

Hi, Doug.
A little more detail on how you are launching Disk Utility on the stated "G4" would help. Some more details about the specific G4, and the problems that may have led to you attempting to run Disk Utility on it would also be useful.
Try running steps 1-2 of the Procedure specified in my "Resolving Disk, Permission, and Cache Corruption" FAQ.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

Disk Utility doesn't refresh when inserting new DVDs

I'm in the process of copying a few DVDs by making an image of them first and then burning the image onto a blank DVD through Disk Utility.
After I'm done with one and insert a new DVD to copy, Disk Utility doesn't refresh to show me the new disk is in the drive. Is it normal?
If it is, is there something I can press so that Disk Utility manually refresh its listing of drives?
I find that quitting and restarting Disk Utility just to make a new image is so inefficient.

I am suddenly having the same problem. When I insert a blank disc either cd or dvd it does not show up in the left column in disc utility. I have tried closing and then relaunching disc utility but nothing. The disc shows up on my desk top but not in disc utility. I fear this is a Snow Leopard problem. Toast has no problem recognizing the disc and burning to it.

Disk Utility Hangs during format

Yes, I've seen a hundred other posts on this but all have been archived with no solution.
It seems very likely there is a 10.4 problem. When I try to format a 160GB drive connected via USB Disk Utility hangs and never completes. I have tried to partition it as well with no luck.
Is there a fix? Is Apple working on the problem? Is there a workaround? Even a commandline fix would be acceptable.

This is ridiculous. I have tried 4 different physical drives in 4 different physical enclosures (3 different brands) and it still hangs Disk Utility.
I know I'm not the only one with this problem. What the **** is going on? I can't format a disk and therefore I can't use it. This is absolutely unacceptable.
Sometimes my machine hangs in such a way that I can't even reboot it, it requires a physical power down.
I have been forced to format these on a Windows machine with FAT32 (using a 3rd party app to get past the GB limitation MS sets). I don't want FAT32, I want HFS+. But I can find no other way to do this in Tiger as it ALWAYS hangs regardless of drive, enclosure, filesystem type, size, number of partitions, etc, etc.
Is OS X truly this bad that it can't even format a drive properly? Am I really going to have to rely on Windows and FAT32 whenever I want to format?

Disk utility hangs during disk verify

Initially 'disk verify' registered errors on exit - minor error/issue it said,some kind of header problem, so I ran disk utility off the install disk. Now the machine's native version of disk utility hangs during disk verify, blue & white spirals forever.
This coincidentally straight after my gmail/google address/account was hacked a couple of days ago.

Have you tried booting in SafeBoot mode (shift key held on start
until login screen appears) then launch Disk Utility and then run
its 'repair disk permissions' item, selecting the Macintosh HD;
and then note the repair window. It should fix something.
And when Disk Utility is done, quit it, and restart the Mac normally.
{...It is unlikely something from gmail affected your computer unless
you open up unknown sourced emails or go to odd web sites where
something may be downloaded from there, which you would almost
have to install (as admin, etc) for malware to work. You can get and
try ClamXAV for free to see if it sees any malware virus content.}
If you use Gmail, and do not log in using the https:// (secure http)
you should change the habit and bookmark the secure login site.
And when booted from the Installer disk and running Disk Utility
from there, see about running "repair disk" and not verify. The
repair choice will verify; but verify will not repair. Could be if
you cannot use the Utility to Repair the issues, and the other
SafeBoot mode and the computer's Disk Utility to get it working
you may need to further troubleshoot and/or get third-party tools.
In any event...
Good luck & happy computing!

When attempting to burn a 1.2GB video using Magic DVD I get Burning Prep error. Not enough free disk space...... I have tried all I know to no avail. This have just started!!

When attempting to burn a 1.2 GB video using iDVD I get a "Burning Preparation Error.. Not enough free disk space for encoding the remaing assetts" This has only justed started to happen. I have used this programme many times before in the past. Can any one help as I have tried all I know?

Yes, 44GB is sufficient. I don't think space is the problem. I don't know about iMovie but iDVD can only use the boot drive for its scratch disk.
You might be getting that error due to some damage file in the project.
Try this basic troubleshooting fix :
1 - delete the IDVD preference file, com.apple.iDVD.plist, that resides in your
User/Home()/Library/ Preferences folder.
2 - delete IDVD'S cache file, Cache.db, that is located in your
User/Home()/Library/Caches/com.apple.iDVD folder.
Click to view full size
3 - launch IDVD and try again.
Also run Disk Utility and verify the disk. If errors are indicated you will need to boot iknto your system install disk and repair the disk with Disk Utility (see the Utilities menu in the first window after the language selection window).

Disk Utility hanging on all user accounts

Hi,
I suspect that my son applied new permissions to enclosed items somewhere and that this is the reason that Disk Utility hangs (doesn't respond) when I start it. As a remedy I repaired permissions while started from an external disk and then applied some command lines that I learned for resetting user account permission (http://discussions.apple.com/thread.jspa?threadID=1655174&tstart=0). But still DU is unresponsive and must be force quit. Additionally I cannot open the DVD tray and Firefox tells me "...update available but you do not have the systems permissions required to install it....".
So I think my user permissions reset was not successful. My question is: did the command line language change from Leopard to SnowLeopard because Terminal gave me some feedback that "-H makes sense only with R" or something to that effect.
Do you have any idea about these things? What's the best way to proceed? Thanks.

Has command line language changed in SnowLeo compared to Leopard?
There are a few changes that reflect the differences between the two OS versions but the vast majority of commands are the same. There are hundreds of commands. Including the flags, switches, & options available for them there are thousands of variations. Plus, characters like spaces, slashes, dashes, & quote marks have special meaning depending on where they appear in the command line so even a minor typo can dramatically change a command into something other than what you want.
Because of this, you should not use a command unless it is specifically recommended for an issue you have explained completely or you have at least a fundamental understanding of command line syntax & the options for a command you are going to use. Each command has a manual page ("man page" for short) that you can access in Terminal by typing the word "man" followed by a space followed by the command name. For example, try "man man" to see the manual page explaining that command.
It would help greatly if you could provide the exact command & flags you used, plus any error messages they generated. Also, "standard procedures" doesn't tell us much since different users consider different things standard.
I suspect your problem is not caused by mis-set permissions, although they may have lead to the condition that caused it. But without more info it is hard to say what the problem is or how to fix it. It might be simplest just to reinstall the OS (which for Snow Leopard is not that big a deal), let Software Update bring it up to current versions, & then deal with any remaining user level permission issues separately.

I can't burn a dvd using any method, Idvd tells me that my super drive is missing, dvd studio pro quits when i click burn and disk utility keeps spitting the disk out when i click burn and enter the disk??? how do i repair my superdrive for imac

I can't burn a dvd using any method, idvd tells me that my super drive is missing, dvd studio pro quits when i click burn and disk utility keeps spitting the disk out when I click burn and enter the disk??? how do i repair my superdrive for imac, or how do I do whatever I need to do to get it working: I have already tried using a lens cleaning cd and also restored my nvram or something i forget what it was called but i restarted my computer holding down command+optoion+p+r and still nothing???
Free solutions are the best, although if I have to pay I will, I would prefer to not have to buy an external burner if possible and already know that is an option so please don't give me that answer... thank you for any help you can give

Unless your iMac is still covered by AppleCare, get an external DVD burner.
You can get perfectly good ones from Amazon for less than $40.

Disk Utility hangs up

Running a G5 IMac with 10.5.1. Tried to repair permissions and Disk Utility hangs up at about 25% of the way through the process. Ran Disk Warrior. Still hangs up. Started up form Leopard Install and tried to repair permissions. Still hangs up. Otherwise the system seems to be running OK. Any help or thoughts would be appreciated.

Disk Warrior is NOT compatible with Leopard at this time.
I would not use my Disk Warrior.
Permissions take from 10 to 30 minutes with 10.5.1
Give it time.
It seems like it just sits there on "Less than 1 minute" but it will eventually finish.
Again, give it time.

Disk Utility Hangs "Closing Session" when attempting to burn a disk image

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