Disk Utility Format Question

Burning my first DVD image and cant seem to find too much info on the different formats.
What should I be using in order to create multiple copies of a DVD Ive made. Compressed? Read Only? Master?
Thanks for any info or direction as to where I can find some.

Do the following:
<font "size=+1">Duplicate a CD or DVD
1. Insert the DVD/CD;
2. Open Disk Utility, and select the DVD/CD from the left side list (select the DVD/CD icon on top);
3. from the DU File menu select New | Disk Image from Disk 1;
4. Choose to format the disk image as DVD/CD Master, name the disk image and click Save;
5. When the .cdr file is finished select it with mouse and press COMMAND-I to open the Get Info and check the box to lock the file;
6. Choose the .cdr file from the left side list, click Burn, and insert a new, blank DVD or CD.

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Hi All,
A rather dumb question, but for the purpose of peace of mind for backups, here goes.
I have a few external HD's, which I have formatted using disk utility. The data on there must be deleted in an unrecoverable sense so I used the 7 - Pass Erase.
My question: When plugging in an External HD, after opening disk utility, in the left window is show:
465.8 GB Seagate FreeAgent
XXX Files
where "XXX" = My real name.
Which one do I select to format or does it not really matter. The reason I asked is because I did a format and selected the first option i.e. 465.8 GB..., but after format completion the "XXX File's" still remained there. I just left the disk name as Untitled during the format option selection.
I hope the above makes sense.
Thank for any feedback
Ciao

SKYTORT wrote:
When plugging in an External HD, after opening disk utility, in the left window is show:
465.8 GB Seagate FreeAgent
Which one do I select to format or does it not really matter.
Select 465.8 GB Seagate FreeAgent (It is the upper icon and represents the entire drive. The xxx lower icon is only the volume.
-mj

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CD burning with disk utility - format and size for 800 MB - 90 minutes CD

Hi Support,
I'm trying to burn a CD with 800 MB (90 minutes) using disk utility. When I create a new empty image I can select the size. Unfortunately there is no option for a 90 minutes CD. When I create the image with 800 MB and I try to burn it, disk utility tells me that the image is too big. So my first question is what is the maximum size for such a CD?
Next question, which format should I use? When creating a new empty image, I have the options "Beschreibbares Image" and "Mitwachsendes Image" (I have a Germann OS). But I dont't have the option to create a "CD/DVD Master", which is availabe, when I create an image from a folder. What I have to do, is to convert the image afterwards to a "CD/DVD Master". This is very circumstantial.
So my questions are:
1. Is there an easier way o create an empty disk image for a CD/DVD?
2. Is the format "CD/DVD Master" required to burn a CD. It is also possible to burn images with other formats. What is the advantage/disadvantage of this format?
3. Which format is required to use the CD in a Windows computer or a standalone CD/DVD player? The volume format must probably "MS-DOS Filesystem" in this case?
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Thanks for answers and hints Thomas

Hi thmayr!
Although the original instructions were for a 700 MB disc, perhaps the article linked to below, could be helpful.
From "Macworld" Feb 2005 issue p.90 Link To Article. Scroll to the second tip on the page: "Unix Tip of the Month: Utilize Extra Space on CD-Rs".
Content:
Create a new folder in the Finder.
Drag everything you want to burn, up to 700 MB, into the folder.
Open Terminal and type cd ~/Desktop
Press the Enter key. This changes Terminal's active directory to your user's Desktop folder.
Type hdiutil makehybrid -o myburn.iso (There's a space after the o in iso, and myburn can be any name you choose) DON'T press Enter
Switch to the "Finder"
Drag & drop the folder you created onto the Terminal window. Terminal should fill in the full path to the folder.
Press Enter. Enter key will then execute the command.
What you have done is used the hdiutil Unix command to create a hybrid disk image named myburn.iso (you can choose whatever name you like, in place of myburn, but use iso for the extension.
You should see the message "Creating hybrid image" in your Terminal window, as well as an indication of the task's progress.
When finished, you should see a disk image called myburn.iso on your Desktop.
You can use Disk Utility to burn this image, or you can type
hdiutil burn ~/Desktop/myburn.iso in Terminal
Insert a blank CD-R when prompted, and then just wait until it's done.
ali b

Disk Utility - Format Time for 500GB (Zero Out Data)

Hello.
Is there one length of time for formatting a hard drive with one pass of Zero Out Data? For instance, does the length of time change depending if you format with zeros using USB2, FW400, FW800, or eSATA?
*My Format Setup*
LaCie Rugged 500GB All-Terrain (USB2 & FW400/800)
FW800 Cable
GUID Partition Table
Mac OS Extended (Journaled)
Zero Out Data (One Pass)
I'm formatting with a FW800 connection. Disk Utility has said it will take 1.5 hours for about 3.5 hours now. The blue bar has progressed even though the time remaining is incorrect. At this rate, it will take seven hours to format 500GB.
I'm going to be formatting multiple 500GB and 1TB drives, and I'm wondering if the time I'm experiencing is normal. Therefore, it should take a day to format 1TB with one pass of zeros. Is this correct?
Thank you for your help! =)
Message was edited by: Revearti

It takes a long time to zero out data on a 500GB drive. The larger the drive, the longer it takes. I don't think the connection makes a difference, since each of your listed options are high speed. Never tried it on an external with USB 1.1, so can't give you any real time experience there. But it will take well over an hour to write zeros on every block of a 500GB drive.

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Hi,
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Can someone please help?
Thank you,
Don

I donated a ProCenter 210 (System 8.0), Mac 7200 PowerPC (System 7.6.3), LaserWriterPlus, and an Apple Color StyleWriter, plus some other stuff.
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hello everyone, i have a problem and i have no idea what to do, heres the deal.
a friend of mine bought a toshiba external 320gb hard drive, i have 100gb of video footage he needed, i opened the hard drive, used it without a problem, he took it home and he couldnt use it on his PC so i did some research and found out that to use it on a PC and MAC i had to format it using disk utility to MS dos, so i did that, after that both my macs dont recognize the HD and if i try a PC, it appears but you cant do anything with it, if i try to format it it says to insert a disk in that drive....
is there anyway i can fix this? or do i owe my friend a 320gb external HD?
thanks

Mac format is different than windows format. Fat32 is recognized by both systems, but has its limitations. You just need to reformat the drive to NTFS on a PC. I believe HFS+ was probably what your original drive was. If it was Fat32, it would have been recognized on the PC.
For future reference, just install the NTFS driver on your mac. You can find it here http://www.macupdate.com/app/mac/24481/ntfs-3g. Reformat the drive on a PC, install the driver and you can read and write to Windows NTFS drives and never have to worry about it again. Just right click on it in Windows and format it to NTFS.
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Disk Utility formats Hard Drives as Logical Volume Group

I just replaced a hard drive which had died in my Mac Pro which has OS X 10.9.5. To format the new 3TB hard drive I went to Disk Utility. I used "Erase" in its fastest form and the drive was formatted with the Type: Logical Volume Group.
I remember this was a problem a few years ago when I first put hard drives in this computer. I think it was considered a bug in the Disk Utility in OS X 10.8 that it would automatically format drives greater than 2 TB as Logical Volume Group. The solution for me was to restart the computer with my OS X 10.6 disk and use the Disk Utility in that to reformat the drive. I never really understood why Logical Volume Group was a problem but I just obeyed what the wise ones of the Internet had to say.
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Thank you.

keg55 wrote:
You could do your reformat using your 10.6 DVD. That's a decision that's up to you.
Not every bug in a previous OS gets fixed in a new OS.
I don't believe CoreStorage (Logical Volume Group) causes any sort of issues. Whenever one encrypts their Macintosh HD, the format is converted to CoreStorage. Fusion Drives are using CoreStorage and now Yosemite converts portables (laptops) to CoreStorage during the install process. As far as Yosemite is concerned, Apple seems to have gone the route of CoreStorage for portables. Even during the Setup on a portable, FileVault is offered with the default of YES being checked. So, if a customer isn't paying attention and continues with the install, they could encrypt their drive without knowing to uncheck the default checkbox.
Thank you for your reply.
I have decided to reformat my new hard drive using my 10.6 disk. I like being able to split it up into more than one volume if need be.
I understand that not every bug in a previous OS gets fixed, but this strikes me as being really a very large bug, so I think it would be good if Apple addressed it.
It is useful to know about Yosemite's behaviour. When I upgrade to Yosemite I will be a bit more prepared. In fact my MacBook Pro has FileVault on with Mavericks so Yosemite won't change anything there.

Known problem with Disk Utility formatting Windows NT drive ?

I have had a strange problem while formatting a newly purchased Iomega USB (Seagate) with version 11.1 (252.4) of Disk Utility (OS 10.5.8). The drive was NTSF and I wanted Mac OS extended. The first attempt failed, unfortunately I didn't note the exact message. I tried again and this time D.U. was stuck on on a wait progress bar with message "not a multiple of 4". Disk Warrior reported disk too severly damaged. Only Drive Genius could properly format the drive. Anyone knows what happened?

I'm not sure what caused the problem you observed, but did you first change the partition scheme to a Mac-friendly one before you tried to do the reformat?
Thanks.
Well, no I didn't and I simply applied "erase to Mac OS extended". Maybe there is a change from earlier versions of D.U. So far and as far as I am aware, D.U. would erase a DOS disk and by default choose the Apple partition scheme. But this default setting could have been changed to GUID with the Intel Macs, or even to DOS if the drive is DOS. This option is hidden in further options in the partition settings along with the DOS partition scheme and unless you decide to partition the drive and not just erase it, it is not visible. As a matter of facts, Drive Genius offers the choice between Mac OS and GUID as you erase the disk.
So this could be the culprit, if for instance D.U. erased to Mac OS extended but kept the DOS partition scheme. It seems unlikely though that the developers didn't take that error possibility into account to include a warning of some sort... but that's what I wanted to make sure.

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Hi, I'm having problems with the new disk utility. In leopard I can format my sd cards to work with my wii but now after formatting both my sd cards neither of them work. Is there anyway to get them to work again? Or do I have to get a different disk utility? Any help would be great!

I am having a similar problem trying to create MS-DOS DVD data disks. I create a MS-DOS disk image with Disk Utility. Disk Utility shows it as a MS-DOS (FAT) 4.7GB. I burn it from Finder and in the Burn Dialog, it states that "This disk can be used on Macintosh and Windows" computers. I click okay, but he resulting DVD is in Mac OS Extended format.
Disk image files should be burned using Disk Utility, not Finder. Finder will create a DVD that is readable on both Mac and PC, but the DVD will contain the disk image file. A PC will not know how to open that to get at the data files inside.
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Disk Utility Formats? Help!

Hello,
I need to know what all the formats are and what each of them does and means in disk utility when trying to erase a disk. My computer runs Mac OS X Lion (10.7.1).
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If you wish to share the USB drive between Macs and PCs I suggest that you go for MS-DOS (FAT) since this format can be read by both platforms.
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Disk utility permissions question

Hello,
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I've never had this happen on my previous OS. If something showed up, it repaired it and then, when I run the utility again, it shows that all is well and no repairs are necessary.
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I took a screen shot of my Utility permissions after it's been run. I could send that to you if you would need to see it.
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Welcome to Apple Discussions:
It's always good to search first.
Check this thread for starters:
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Disk Utility Formatting problem with Menu

Formatting keeps failing in DVDSP so I've been formatting it and then burning it in disk utility. But once it's burned, the remote and player won't return it back to the menu without reinserting the disk. Can someone help.

Go here
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Disk Utility Backup Question

Hello, I have the latest Mac OS X updates on my Macbook Pro. My question is concerning Disk Utility. I am trying to backup my "home" folder or my entire hard drive as I am worried about losing files if my hard drive fails. I try to create a disk image of my "home" folder and about 10 to 15 percent of the way through, an error comes up saying that "(name of my home folder) cannot be copied" or something to that extent. I am fairly new to Macs, and I'm just wondering what this error is and how can I get around it and be able to back up all my information using Disk Utility, so that I can put it on my external hard drive. Thanks in advance,
Todd

Hello,
If you are trying to make disk image of the hard drive, and creating the disk image on that same hard drive, then that could be your problem.
You cannot really make an exact copy of something that is constantly changing.
Since the act of creating the image is also modifying the source, you would end-up going in circles.
You need to create your image on something else (a different drive).
That may not work either if the drive is in use while you are trying to make your image.
So, you could try booting from your original Restore Disk that came with your computer. Then, use the disk utility on that restore DVD to make your disk image.
But, if you want to go the easy route, consider using a utility like Carbon Copy Cloner.
http://www.bombich.com/software/ccc.html
This program can also be used to create a disk image version of your drive. That method would work like what you are trying to do now.
But, it can also be used to create an exact clone of your main hard drive to an external or second hard drive.
This would be a bootable backup that can be used to put your entire system back exactly as it was at the time of the backup.
This means that if something happens, you can boot from your external drive, and resume normal work. Or, you can boot from the external drive and run the program again to restore your computer to match the backup.
This backup is an exact clone of your entire installation, so it is readable by another machine.
It works great, and I've never had a problem with it.
If a full backup is not what you want, you can customize your backup to grab just what you want.
But, I use the "Clone" feature.
This has the advantage of being able to restore quickly, and return back to the exact point you were at when you backed-up.
And, by being able to boot from the backup, you don't have to use another computer or re-install your OS before you can restore. Just boot from the backup and restore.
I actually have my external hard drive partitioned into two sections.
One partition is used just for holding my system backup. It is sized to be large enough to hold my entire OS X installation and everything I keep on my system.
The other partition is the remaining portion of the drive. I use that one to hold large files that I use less frequently.
This works great because I can just over-write my backup partition for each backup without worrying about my data files (since they are on a separate partition).
And, it makes things much easier to manage.
This backup is the most flexible backup method there is.
You can use it to:
* Boot if your original hard drive were to fail completely
* Boot if your original hard drive's OS X installation were corrupted
* Restore your entire system to the exact state of the system at the time of backup. This means no re-installing and then restoring. Just boot and copy the drive back to your main drive. Nice, fast, and you're done.
* If you don't need to restore the entire drive, then just grab the files you need.
* It's readable by any Mac OS computer. No special software required to access it's files.
Another popular program is SuperDuper:
http://www.shirt-pocket.com/SuperDuper/SuperDuperDescription.html
This program has similar capabilities to the one I use. But, they charge for the full version.
But, if you want to use built-in tools, you can use the Disk Utility built-into Mac OS X. This article describes that and other methods:
http://homepage.mac.com/geerlingguy/macsupport/mac_help/pages/0016-backuposx.html
Also, keep in mind that in order to have a bootable backup, you need a FireWire drive or a computer that supports booting from a USB drive (only the new Intel Macs support booting from USB).
Naturally, if you do make a bootable backup copy, you'll want to make sure and test it before you count on it. So, you should boot the computer from the backup copy, and make sure that it all works as it should. That way you'll know it works when you need it.
To boot from an external drive or partition, turn on your computer, and press and keep holding the "Option" key until the selection menu appears.
A menu will appear, and in a few minutes you'll be able to choose the drive / partition you want to boot from and proceed from there.
I hope this helps.

Disk utility/repair question - "keys not in order"

I connected my 4G iPod to my computer via firewire when the battery was very low yesterday. For the first time, it wouldn't mount and now doesn't show up in system profiler when it is connected via firewire (even in disk mode). It shows up when it is connected via USB.
It shows up via firewire in disk utility, though. I verified the disk and repaired the disk and got a message "keys not in order". I tried to mount it through disk utility and it still wouldn't show up. I was able to eject it through disk utility though.
It is charging and playing fine.
Any ideas on how to fix "keys not in order" or how to do a full restore when it won't mount?
Thanks for your help.
iMac G4 Mac OS X (10.2.x) iTunes 6

We were able to get it fixed. First, I tried erasing it in disk utility. That just succeeded in getting the file with an exclamation mark and no way to restore it. It also wouldn't turn off at that point.
We took it to a PC and were able to reformat it on a PC and now it seems to be working at least initially again with my Mac.

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