OS X Mavericks :: Encrypted Disk Image Won't Partition After Resize
Jun 5, 2014
I have a 10 GB encrypted disk image on my macbook (type OS Extended (journaled)). I've pretty much filled up the space so I want to resize. I go into disk utility with the disk unmounted and 'Resized' it to 20GB. Then I mount it and go into the Partition tab. I drag the corner all the way down to fill up the space and hit Apply. It goes through the motions without error but it does not actually extend the partition to the resize. On the right next it then says something to the effect that the disk is read only and cannot resize the partition. The write status is read/write until I click apple....then it switches to 'Unmounted, read-only'.
Info:
MacBook Pro (15-inch Early 2011), OS X Mavericks (10.9)
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Sep 8, 2014
Tried this several times via disk utility.
Any image created can simply be opened without me being asked for any password!!
how to successfully create a new encrypted disk image.
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9), 2.6Ghz I7 - 1Tb Hdd 16Gb late 2013
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Jun 23, 2010
So my current backup strategy uses two western digital external hard drives. The first I have permanently connected to my iMac using Time Machine. On the second I use CCC to backup to every week and keep it in the trunk of my car as an offsite backup.
Just had a couple of questions to make sure I'm prepared for the worse...
- What temperatures can hard drives survive at? Is there a risk of it overheating in my car?
- I've read about some issues with CCC's backups. I'm currently backing up to an encrypted disk image - is there any way to verify the backup? If I just cloned the drive instead so it was bootable is there any way to encrypt it? And is Super Duper more reliable?
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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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Nov 24, 2007
I'm not sure if im doing the process right but whenever I try to resize a disk image it doesnt work, I go to disk utility/resize then I select the image I want to resize, nothing happens and I am stuck with the same size that is no longer big enough for my needs.
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Jun 8, 2012
I've done all of this and it won't open. I double click on it, the default program to open it is diskimagemounter and nothing happens when I double click.(Mac OS X Lion 10.7.4)
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Apr 2, 2009
Originally I had 2 partitions on the internal 500gb hd in my MBP, one was 455gb the other was 10gb that I used to mess around on. I do not remember what format the small partition was in last, it may have been FAT32. I wanted to delete the small partition and consolidate into one partition. My OSX partition is formatted macos extended. I went to Disk Utility and deleted the small partition by selecting it and clicking "-." There was grey space where the partition used to be. No problems here. Most of the options in Disk Utility are greyed-out.
I cannot select a different partition scheme. When I try to resize the partition either by dragging it to cover the grey space or by manually typing in a larger size, there is no way to apply the changes. The "Apply" button is continually greyed-out (See Image). If I try to resize the partition and then close the window, Disk Utility alerts me that I have an operation in progress and that unsaved changes will be lost. Disk Utility is not letting me resize my main OSX Partition, it appears that I do not have appropriate permissions to make this change - I am the only user/admin of this machine.
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Feb 3, 2010
I having trouble resizing an external harddrive of mine. It is a 500gb Lacie drive, and inside it has two partitions: time machine (250gb) and my stuff (250gb). I want to make time machine 150gb and make My Stuff occupy the remaining space. However, when I enter Disk utility, there is no dot between the partitions that I can drag. When I pull the corner, the disk gets smaller, but after resizing there is still a blue rectangle outlining where the old disk was. The partition "time machine" is used for time machine backups, but I have deactivated backups in Preferences, and Time Machine is currently "off". I have included an image for clarification. How can I resize the partitions the way I want them?
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Jun 24, 2014
I forgot the password when i encrypt my external hard disk .
Is there any method i can do to remove my password without lose the data .
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Nov 17, 2009
I want to partition my hard drive so I can run BootCamp, and my PowerBook is giving me the following message: The Disk Cannot be Partitioned because Some Files Cannot be Moved. So I'm assuming I need to format the whole thing and then partition with BootCamp. Totally open to other ideas, but, assuming I move forward with that, is the best was to save user settings, current Applications, data stored on the drive, etc. to create a disk image on an external drive? I've done that, but I'm sort of unclear on what I do with the disk image after I've wiped the drive and partitioned it up.
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Jan 9, 2009
I recently bought my mother a Macbook. It was a store display one but she had no problems with that. Anyways when we first boot it up I noticed that on the desktop there is a Time Machine disk. So I openMacintosh HD that there is only 17 gbs free out of 33 gb, so I check System Profiler to see if there is a smaller hd in there but the it says that the hd is 150 gb.
So I'm wondering how to delete the time machine partition and resize the Macintosh HD partition so I can give her the most space she can get.
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Sep 3, 2014
i had a backup disk image that was 120gb stored on an SDHC card. i was able to open the disk image yesterday, but when i tried to open today, i got an error message saying it was not a mountable disk image. when i looked at the disk image in the finder directory, it showed the file was only 134k. how could that happen?
I can't figure out if it is the SD card or a corrupted disk image. Not sure how to go about recovering my data.
Info:
iMac, OS X Mavericks (10.9), 3.4 GHz i7
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Jun 28, 2008
I have a question about OSX 10.4.11 and secure deleting. My understanding is that even after secure delete has been used to erase a particular file, older fragments of that same file can remain on the hard drive. Assuming this also applies to secure deleting files from a mounted encrypted disc image (created using the disc utility), would I be correct in saying that even if file fragments remained, once the image is unmounted, those file fragments would be encrypted like everything else within the disc image. I guess what I'm really asking is whether, when one deletes a file from an encrypted disc image, that file data is moved outside of the encrypted data blocks into clean drive space. I don't see why this would be the case but was wondering whether anyone knew.
I appreciate one can always use the free space eraser within disc utility to "mop up" but I'm still interested about individual file deleting.
(Btw, this is my first post and as a courtesy, I did search the forums for this topic but didn't find anything. If I missed something in my search and this has already been answered, apologies!)
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Jan 20, 2010
Recently when I have been opening up images in new tabs that are larger than the actual window in Safari I haven't had to option for them to shrink and fit on screen by clicking the mouse on the image. So basically the little magnifying glass doesn't replace the cursor for me to scale down any image anymore.
Is there any option to enable or preference file to edit?
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Jan 18, 2010
I'm trying to set up a new partition scheme for all my storage. I just purchased another drive and will buy a 1 or 1.5TB drive next week. I'd like to encrypt certain partitions. Please read on...
Hopefully someone can help me. This is my current setup:
Filesystem Size Used Avail Capacity Mounted on
/dev/disk0s2 465Gi 407Gi 58Gi 88% /
devfs 113Ki 113Ki 0Bi 100% /dev
Plato is my iPod - I use 40GB for music, the rest for backing up files.
Wittgenstein is my backup. I exclude backups of ~/Music, another big DIR and ~/Movies and it has room to backup everything else.
I also have an 8GB USB stick that I've named "mnemosyne".
What I am purchasing. I am waiting for my new 500GB 7200 drive to arrive, which will replace the current 500GB main drive. I also purchased a 32GB flash drive.
What I'm getting in the near future. I'm purchasing a 1TB or 1.5TB internal drive and building an external HDD from it within the next two weeks. I'd like to split it to 500GB for backups, the rest for media storage. I'd like to encrypt my current /System dir, my ~/Documents and all preferences from my my Applications.
I've heard filevault is prone to errors. Is this true? Are there any other full disk encryption options for mac? Would dm-crypt work through macports without corrupting my filesystem? Can I use truecrypt and create an encrypted container of say (what is now) ~/Documents
Creating the partition scheme
Questions
1) Can I resize a partition once I've created it if there's physical space left on the HDD?
2) Should I leave some space without a partition? Or should I just name it something benign and use it as a "dropbox"
3) What options do I have for encryption on a mac?
4) Is filevault prone to errors? Any benchmarking tests out there?
5) Can I use dm-crypt through macports and have a FDE setup that won't fail because it's through macports and not native? In other words, I realize all encryption schemes can fail, but I'd like to minimize risk.
6) How would I have some movies on my main HDD and others on the external volume? Is that possible? Or would I need to create two partitions for that? So, say, I want to store 40GB of everything that is currently in ~/Movies on my main HDD. Just create a partition for that, and then another partition on the external volume at 210GB?
7) How do I create separate partitions in mac?
8) How do I easily mount all partitions from all hard drives?
9) Is rsync and a script my best option for encrypting backups since Timemachine has no security whatsoever for backups?
10) What filesystem should I use? (I'm only using OS X on my macbook)
11) Any sample partition map you could share with me that will help me build this properly?
12) How do I set up a link so Mac OS X will read the partitions like they are now and display over on the left side of Finder.app as they show now? I.e. a list of Desktop, $username, Applications, Documents, Movies, Music, Pictures
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Aug 22, 2014
This is what get when I go into Disk Utility and I want to delete the partition Macintosh 2. I see these 3 things. The "Logical Volume Group" and the 2 partitions. Where is my main hard drive? How do I get rid of the Macintosh 2.
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.4)
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Apr 1, 2012
Today i formatted my entire disk, but made it Journaled, Encrypted. It installed (actually "downloaded aditional files"), and then booted with a cross/do not proceed sign. I booted from the install disk again, got an error telling me to reinstall OS X. I was never asked for my password, and when i started disk utility, the disk was locked.
Info:MacBook Air Mid 2009, Mac OS X (10.7)
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Dec 8, 2010
Basically the user is running 10.6.5 and has removed their Boot Camp partition, but is unable to grow their partition into the newly empty space.
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Jun 23, 2014
I have a 3 TB disk that I used for video files that I now want to use for backup. So I wanted to erase and partition the drive to wipe it clean. So after going into Disk Utility and "trying" to erase and partition the drive, it now only shows the drive and no volumes.I cannot create or partition volumes. I tried verifying and repairing the disc but that didn't do anything. The only buttons available are Verify, Info and Burn. What do I do to use the drive again?
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Jun 4, 2014
Can you partition a drive that has been encrypted with File Vault 2?
Info:
OS X Mavericks (10.9.3)
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Dec 17, 2008
I currently have 3 partitions - 50GB OS X (HFS+); 70GB Vista (NTFS); and the rest is in Data (HFS+). I want to shrink Vista's partition by 20GB and add that space to my Data drive. However, OS X can't seem to touch Vista's partition; and when I try to shrink Vista's partition within Vista, it puts the space after Vista's drive (but I need it before Vista's partition).
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Jul 15, 2009
I'm in Disk Utility and I can see that the Leopard partition takes up about half of the total disk space. There is nothing else on the disk, the partition just isn't that big. I wanted to expand the partition to fill up the whole disk but I get an error that the partition map is too small or something.
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Apr 27, 2012
i had my hard drive partitioned in 2 partitions: my lion one and my bootcamp one like this:but as I started installing things in my bootcamp partition i realized i needed more space, so i tried to resize my macintosh hd to a smaller size to enlarge my bootcamp partition, but after i did that and realized I couldn't resize my bootcamp partition with disk utility so i though "well ill just resize my macintosh hd back and that will be it, like i did several times before" but the thing is that disk utility wont let me do so, so now it looks like this:
I have 32gb of unused space i have tried with different things. I have tried with the debug option in the disk utility by tipping "defaults write com.apple.DiskUtility DUDebugMenuEnabled 1" into terminal and mounting my recovery HD and resizing my macintosh hd but it didnt work I have IPartition 3.4.0 in Lion but i cant get it to work because my partitions are from where sytem boots.
ive tried making a start up pendrive but it's a literally never ending process and I also tried making a start up dvd with the 3 different options: when i hit the download template half way to finishing the download says an error has occured and tells me to try again, so i tried with instalation media but it keeps serching and serching without finding the templates. and when i hit the "use existing templates this happens:
i have restarted my mac but the problem remains. i dont know why this is happening because i have had up to 3 partitions with 3 different OS X running perfectly and when I erased the 2 OS X i didnt wanted I could resize my lion partition without any problem. so what I would like to do is in first instance to resize my bootcamp partition and make it bigger cause I need to install more stuff. i have seen many posts in which the say to run the Recovery HD on the free space left but my partition is smaller than my lion one so i guess i wont be able to do that?
summing it up:
1) i would like to make my bootcamp partition bigger, in case of that no being possible i would like to
2) make my Lion partition (macintosh hd) bigger filling those 32 gb of free space?
Info:
MacBook Pro (13-inch Late 2011), Mac OS X (10.7.3)
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Jun 6, 2014
My MacBook Air runs OS X 10.9.3. The HD storage is 256GB. I created windows 7 partition (150GB) by BootCamp when first use. So for OS X, there is 100GB left.Today I add a new partition of 30GB size from Macintosh HD to test installing OS X 10.10 Yosemite DP. The installation was successful, but the new look of OS, including Dock, Font, et al, is awful. I am disappointed and then erase the test partition in 10.9.3.
Naturally I wanted the 30GB back to 10.9.3, and used Disk Utility to resize the Macintosh HD back to 100GB.However, it simply doesn't work, the size of HD remains 70GB, no error message showed. I am sure I followed the support doument to resize partition.
Info:
MacBook Air, OS X Mavericks (10.9.3)
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Jun 20, 2014
When I try to partition my hard disk, Disk Utility tells me that the file system cannot be read.
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Aug 22, 2014
Is it possible to reformat a single partition of a disk w/o reformatting the entire disk?Or must one reformat the entire disk? In DU, If I click on the volume/partition in question, I do NOT get the tab “Partition.” If I click on the disk, not just the volume/partition in question , then I do get the tab “Partition.” Also, does using DU to secure erase a volume by overwriting with 0s, cause a format issue? Some details on my other post:Create a bootable clone using Disk Utility
Info:
iMac, OS X Mavericks (10.9.4), 4 GB RAM, Win XP Pro-Boot Camp
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Aug 25, 2014
I wish to change partition scheme, sizes, in an external drive. All the partitions are MacOS extended (Journaled) and they map, according to the layout in Disk Utility, as follows: Partion 1, 2, 3,4 where 1 is at the top and 4, the bottom. I want to make partition 2 larger, so I decreased partition 1 by half. Now the layout is 1 a, 1b, 2,3,4., where 1b is now free space. Disk Utility will not allow me to increase the size of partition 2 by dragging the corner. Which of the following options (if any) will allow me to increase the size of partition 2, without erasing the data, using Disk Utility:Select partition 2 and manually writing a new value in the size box, equal to the present partition’s size plus the free space?If I delete partition 1 completely, will I then be able to increase the size of partition 2?If I delete partitions 1, 3, and 4, will I then be allowed to increase the size of partion 2?Is there another option?
(Actually, partition 3 is an eDrive, a data recovery utility created by TechTool Pro 7, so I don’t really know how it’s formatted.)
SeagateHD 1.5TB USB drive.
Info:
Time Capsule 802.11n (2nd Gen), OS X Mountain Lion (10.8.2), MacBook Pro, iBook Dual USB
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May 27, 2012
I am using 10.6.8 but I created a Lion partition on the same disk. I am trying out Lion and I do not want Time Machine to back it up. I was able to exclude the Lion volume until I encrypted the Lion partition using Filevault 2. Now when I'm using Snow Leopard, there doesn't seem to be a way of preventing Time Machine from backing up the Lion partition.
Info:
MacBook Pro (15-inch Mid 2009), Mac OS X (10.6.8)
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Dec 5, 2014
I have an encrypted McAfee USB that I use at work on a windows computer. I need to be able to access it at home on my MacBook Pro. It allows me to login to the USB but the partition never come up.
Info:
MacBook Pro, OS X Yosemite (10.10.1)
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Jun 9, 2012
I'm looking for a tool that could allow me to resize (and for the full measure crop) images directly from the Finder context menu without using Automator?
Info:
MacBook Pro (15-inch Mid 2010), Mac OS X (10.7.4)
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