Disk image in doc has to be replaced after each unmount

Hello everyone,
I have a disk image which I made in the disk utility program. I set it up with the security incription option when I make it. After opening it I placed the image that mounts up on the desktop into my dock so I can easily go through the sub menu folders and so on.
When I was in os10.4.11 I had no problem going back into it after reboot or after unmounting the disk image and remounting it. But in 10.5.8 (which I am now using), every time I eject the image and remount it the fold in the dock does not work. I have to pull the folder (image) off the dock and drag the one from the desktop onto the dock every time. Is there any way to fix this?
Thank you for any help.
Marco

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My disk utility says my hd is a disk image and has 1.26 gigs?

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A drive that can not report its Make&Model and a reasonable size/capacity cannot be repaired by any software.
If it is cabled and powered correctly, it has died.
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Disk Image Overhead & Encryption

An observation and question to the forum.
Is the overhead on a disk image that much? How can it be made more efficient? Suggestions on alternatives to encrypt file/folders (free preferably)?.
The reason for doing this was to secure some files with out going thorough file vault (for mobile storage), sending files, or mailing them. Below you will see a reference to an article on this.
Some examples I tested
A 10mb disk image has about 1.7mb free
A 40mb disk image has about 31mb free
A 100mb disk image has about 89.6mb free
A 660mb disk image has about 624.3mb free
A 4.7gb disk image has about 4.35gb free
So a 10mb disk image is impractical or storage wise very expensive. This is not even with the encryption overhead.
Using Disk Utility I created a disk image using the following parameters:
- Volume Size: 10mb
- Volume Format: Mac OS Extended (Journaled)
- Encryption: none (was not used in testing)
- Partitions: Single partition (except for CD/DVD formats)
- Image Format: read/write disk image
Reference:
Apple - Mac OS X: How to create a password-protected (encrypted) disk image
http://docs.info.apple.com/article.html?artnum=107333
Apple - Mac OS X: About Encrypted Disk Images
http://docs.info.apple.com/article.html?artnum=107332
Mac Observer
http://www.macobserver.com/tip/2007/11/28.1.shtml
System Info:
MacBook2,1 (Model Identifier)
Intel Core 2 Duo 2.16 GHz, 2 GB 667 MHz SDRAM
OSX 10.5.1 (Leopard), Boot ROM MB21.00A5.B07
File Vault is on, Time Machine is On

An observation and question to the forum.
Is the overhead on a disk image that much? How can it be made more efficient? Suggestions on alternatives to encrypt file/folders (free preferably)?.
The reason for doing this was to secure some files with out going thorough file vault (for mobile storage), sending files, or mailing them. Below you will see a reference to an article on this.
Some examples I tested
A 10mb disk image has about 1.7mb free
A 40mb disk image has about 31mb free
A 100mb disk image has about 89.6mb free
A 660mb disk image has about 624.3mb free
A 4.7gb disk image has about 4.35gb free
So a 10mb disk image is impractical or storage wise very expensive. This is not even with the encryption overhead.
Using Disk Utility I created a disk image using the following parameters:
- Volume Size: 10mb
- Volume Format: Mac OS Extended (Journaled)
- Encryption: none (was not used in testing)
- Partitions: Single partition (except for CD/DVD formats)
- Image Format: read/write disk image
Reference:
Apple - Mac OS X: How to create a password-protected (encrypted) disk image
http://docs.info.apple.com/article.html?artnum=107333
Apple - Mac OS X: About Encrypted Disk Images
http://docs.info.apple.com/article.html?artnum=107332
Mac Observer
http://www.macobserver.com/tip/2007/11/28.1.shtml
System Info:
MacBook2,1 (Model Identifier)
Intel Core 2 Duo 2.16 GHz, 2 GB 667 MHz SDRAM
OSX 10.5.1 (Leopard), Boot ROM MB21.00A5.B07
File Vault is on, Time Machine is On

Time Machine and mounted sparse bundle disk image - file by file backup?

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Thanks,

I think you're trying to bypass the finder to mount the disk. Try this (I'll bold the key steps):
- *Turn off Time Machine* in the System Preferences.
- Option A: If you directly use a hard disk (not wireless) that has the sparsebundle you want to open, *connect the disk* but don't double click on the sparsebundle.
- Option B: If you are using wireless, this means use shift-command-k (or shift-apple-k), and if it says "Connect As..." in the upper right instead of disconnect, then use that button to *connect to that wireless drive*.
- Confirm the sparsebundle shows in that folder before proceeding...
- *Open Terminal* (Applications>Utilities>Terminal.app)
- Type: *hdiutil attach -noverify* (<-- notice a *space " "* must be included after typing this here but *DON'T hit return* yet.)
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Hope this helps.

Why do I have to make disk image of AVCHD to import into iMovie?

iMovie imports AVCHD format file structure from the camera quite easily. (or so I hear, I have not done so myself yet). I have footage from the camera saved to an external hard disk which I want to import into iMovie08. I am a newbie to Apple/Mac things. From these fora I learned that I need to make a disk image of the AVCHD directory and mount it. I did that and it seems to work.
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AppleMan1958 wrote:
I would not recommend waiting until you have 12GB of AVCHD (which might import as 120GB of AIC). You could lose it all if your camera is dropped. I suggest you get in the habit of importing from your camera on a regular basis.
I agree, it is not a good idea to accumulate so much footage in the camera. But these were downloaded from the camera way back before I even bought the iMac. At that time, the only device that can deliver 1920x1080 video to my shiny 50inch TV in the living room was the camcorder! (and the OTA antenna). So I kept the clips in the camcorder, even after taking regular backups to the hard disk. That way I can show the clips to friends and family in full HD glory!
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But put the very same AVCHD deeply nested in the external drive it barfs.
I am going to experiment after going home. I will create a symbolic link to the AVCHD folder from the root of the external disk. Heck, I am root here, I can even do an ln -s /nested/directory/deep/in/the/external/drive/AVCHD /AVCHD
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Auto opening a mounted disk image

Is it possible to make a (read/write) disk image once it has been mounted to
automatically open up and show the folder contents?
I can get this to work if I lock the image, but this makes it a pain to trash.

jsd2 wrote:
Try the following:
Mount the disk image so that there is a disk icon on the Desktop, and then launch Terminal (in /Applications/Utilities). Copy-paste the following line into the Terminal window, and then type a single space. Do not type <Return> yet:
sudo mdutil -i on
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Missing video on Disk Image

Hi,
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Thanks
Annabel

Hi,
thanks for all your feedback. I have deleted the preference files, I have yet to test if that made a difference. But yes the movie is on my external hardrive. I moved the main movie (where the problem is) to the hard drive before I made the iDVD and I moved the promo (which is fine) after I made it, and then put it back in so that file conection was still there. I needed to move them to create space on the computer as they were by far the biggest files as they have heaps of editing in them. It is the first time I've really used iMovie so I don't know if there is some way of making them smaller. Yes the footage came from a mini-DV camcorder, from a few different ones actually. Some directly from the camera and some from DV tape. I have no idea what the camera was set to and I have no way of checking as the camera wasn't mine.
Thanks
Annabel

File Size on Disk Image 3.5Gb- 6Gb ???

I'm noticing that disk images created by iDVD 5.0.1 after november 4 are about 6Gb rather than the previous 4Gb (best quality mode, output to hard drive).
There were a number of s/w updates around that date. Anybody seeing similar issues, maybe this even related to a separate post about mpx problems?
Burning these files through disk utility to DVD will obviously fail.

Hi Johan,
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Disk images after snow leopard

Hi all,
I recently installed SL on a MacBook Air using remote disk. The process was not smooth, with several failed installs due to dropped connections between the Air and my main MacBook Pro. It's all installed now, but every time I load up I get three disk images on the desktop labelled 'OS X'. Each one says for example '2.28GB, 1.16BG free'.
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HT3275 Time Machine error (109). Could not access backup disk image

I keep getting a Time Machine error message that says it can not access the backup disk image "……sparsebundle". I have had issue after issue with Time Machine. I have completely started over twice with setting up Time Capsule. Please help!

For informed suggestions, see #P2 in Pondini's excellent support document.....Using Time Machine with a Time Capsule
http://pondini.org/TM/Time_Capsule.html

How do i find or replace the missing disk image for my HD

How do i find or replace the missing disk image? for my HD ........as it is missing when i try to back up with time machine,
i asked for assistance the other day with time machine
now i have worked out this is the reason i can not back up with TM, due to no disk image in my portable hard drive
I saw a post on youtube where it explains you can copy a your HD disk imag from your time machine back ups enabeling, time machine to back up
But i can not find where the TM Back up driver is situated in my TM Back up's
Some advice would be greatly appreceate as i am rather new to Mackintosh
Thank you
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Hi again.
Just re-reading your first post, I wonder if you're confusing a disk image backup with Time Machine?
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Replace lost 10.4 disk; will a burned disk image work ?

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An error has occured attempting to mount a disk image "5" error #5

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any help will be appreciated.

Hi Watsmaster, and a warm welcome to the forums!
If you haven't done any Disk or OS maintenance, then I'm thinking corrupt HDD or possibly some Hardware problem.
Could be many things, we should start with this...
"Try Disk Utility
1. Insert the Mac OS X Install disc that came with your computer, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
5. Select your Mac OS X volume.
6. Click Repair. Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.

Errors when trying to open up a disk image that has been comp. & encrypted.

I have an old 15” PowerBook G4 that I purchased back in 2004 that I wanted to backup the data on in preparation to sell it. The PowerBook has Leopard (Mac OS 10.5) installed on it. I used my Leopard installation DVD to boot the computer up and then launched disk utility (v. 11.0 (252)). I wanted to make a disk image (.dmg) of my entire “Macintosh HD” partition, so after unmounting the partition (otherwise you get a “resource busy” error message), I selected File -> New -> “Disk Image From...(<hard drive partition>)”. The next screen presented me with a name to type in for the saved disk image file and options to compress and encrypt (128 or 256 bit AES) the image. I could not get the image to begin creation when I had both compression and encryption set. I kept getting the error message “Unable to create (error -60007)”. So, I opted to create the disk image with just compression selected. This worked fine and I was able to select the image (let’s call it disk_image1) and perform an Image -> “Scan Image for Restore...” successfully as well as mount the image and open up files (the verification process took a long time before the image mounted, but it was successful).
Next, I moved the Firewire 800 external HD containing “disk_image1” to my new MacBook Pro (Snow Leopard installed) and opened up disk utility (v. 11.5.1 (298.1)). I was able to successfully mount the image and browse and open up files with this updated version of disk utility. I then attempted to convert the disk image I just created to a new disk image (let’s call it disk_image2) via Images -> “Convert...”. I selected “disk_image1” and then named the new image (disk_image2). I then selected compression and 128bit AES encryption, entered in a passphrase and started the process. Everything worked great in creating “disk_image2”, but when I tried to open up the image either in Finder or within disk utility, I got error messages. In disk utility, I got the message “Unable to attach “disk_image2.” (Authentication error).” and within Finder, I got “The following disk image couldn’t be opened” disk_image 2 (Authentication error). Note, I was never asked to provide the password I used to encrypt the image nor did I ever select to save it in my keychain. Just as a precautionary measure, I check my keychain and did not see the password for the encrypted image saved in there.
Is there a bug within disk utility with the way a compressed & encrypted image is created or a problem with the authentication process for an encrypted image?

I have not had this happen to me, but have read similar stories from people on these boards for years. I think saving an entire OS X boot disk to a disk image is asking for trouble. If anything goes wrong, one byte of data is copied incorrectly. it can render the entire image unmountable and all of the data in it inaccessible.
I'd use Disk Utility's Restore button (or a program like SuperDuper or Carbon Copy Cloner) to make a complete copy of the hard drive onto its own hard drive, skipping the disk image. If any bit of data gets dropped then only one file is affected, instead of the whole works. Do you have any other stuff on that external drive? If not, just erase it and try again, copying everything directly to the drive instead of to a disk image.

HT3275 Has anyone come across the red "i" message saying "The backup disk image "/Volumes/Chris...(the last bit being) iMac.sparsebundle" is already in use? This has prevented my time machine from backing up from this morning (5th Dec 2012).

Has anyone come across the red "i" message saying "The backup disk image "/Volumes/Chris...(the last bit being) iMac.sparsebundle" is already in use."?
As of yesterday (4th Dec 2012) everything was fine, no trouble or problems at all. Wake up this morning, turn on the computer and when it came time to backup itself, the message occurred above and this has prevented my time machine from backing up from this morning (5th Dec 2012) ever since then.
Everything on my computer is up-to-date but this problem still persists displaying this message practically every hour, on the hour and nothing is getting backedup!
If you know what is going on and more importantly, how to fix this, I would be indebted to you for sharing your knowledge with me on this subject.
Thank you.

Welcome to the Apple Support Communities
See > http://pondini.org/TM/C12.html

Disk image in doc has to be replaced after each unmount

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