Creating a new disk formatting scheme or altering an existing scheme

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4
votes
2answers
511 views

Move some free space to Macintosh HD (Startup Disk)

On my mac hard disk, Macintosh HD (Startup Disk) is almost full, I need to increase the size of Macintosh merging some free space from my another partition. But I tried all possible ways, free space ...
1
vote
1answer
485 views

unallocated space on disk0 under Mavericks

I have the same kind of issue than here : Create new partition in unallocated space with diskutil but on disk0 ! I don't know what to do anymore :( So i can't modify anything with gpt. I had Ubuntu ...
1
vote
0answers
301 views

How to fix a Windows partition after removing Bootcamp?

I have a 2009 MBP. For a long time I've had a Bootcamp partition on the hard drive, recently I bought a second SSD and installed it in the Optibay and installed Windows on it. As it was going well I ...
4
votes
5answers
15k views

Disk Utility hangs prior to resizing partition

When trying to shrink the size of a partition, the period before the actual resizing happens (where Disk Utility says "Preparing to partition disk") hangs forever. I dug into Console to see what was ...
0
votes
1answer
2k views

Is deleting the yosemite install partition safe? [duplicate]

I got Yosemite via the Apple Beta Program. I installed Yosemite on a separate partition which I had created for the purpose specifically. Now I want to reclaim my 50 GB by deleting the partition. I ...
0
votes
1answer
377 views

Bootcamp “No Bootable device” but windows already installed

I had an issue in OSX which meant that I had to erase the OSX partition, and after reinstalling OSX, my bootcamp partition won't load. It's not in the option menu on start up, but is still recognised ...
1
vote
0answers
82 views

Macintosh HD no longer shown in ⌥-boot menu after creating partition in Boot Camp

Today I was in Boot Camp Windows 7 creating a partition from some free space for Time Machine backups (I know this isn't the best way to store backups, but that's not the problem). I clicked to create ...
3
votes
2answers
12k views

How to create a second partition on an external disk and is it safe?

I want to create a second a partition in my hard disk where one (about 900 GB) is used for Time Machine and another (100 GB) is used to store info like a thumb drive. I don't want any existing data ...
2
votes
2answers
44 views

Partition for iTunes

I have a Mac with bootcamp and unfortunately i see myself using bootcamp far too often because I'm a developer and VS2013+SqlServer is way too demanding for my 8gb ram... but i use iTunes a lot... so ...
3
votes
4answers
52k views

Restore Macintosh HD to its original partition configuration

I seem to have badly botched a Boot Camp installation of Windows 8.1. I used Boot Camp Assistant to create a 200 GB BOOTCAMP partition on my 1 TB Fusion Drive. I then rebooted and failed to install ...
0
votes
1answer
37 views

Does any data go into SSD from bootable OS USB (besides OS itself)?

I made a bootable OS 10.6 in my external HD with Disc Utility's partition & restore functions (with the "source" (as OS disc) and "destination" method...) And I used that to do a clean OS install ...
0
votes
2answers
11k views

How to merge two Mac partitions?

Recently I ran Boot Camp Assistant to install a copy of Windows 7. The "Partitioning Disk" process froze and I force quit it - I know, bad idea - and although I was left with a functioning Mac, I ...
2
votes
3answers
5k views

Restore Recovery HD partition from Yosemite downgrade

I recently got back to Mavericks from Yosemite, everything went fine. As I normally do, I checked my HDD with the Disk Utility and found some trouble, then I boot on recovery mode to fix my HDD. I ...
0
votes
0answers
61 views

Clone whole partitioning scheme to smaller disk

I have the following on my secondary disk. As I am not satisfied with it I would like to clone everything to the other one which is smaller unfortunately. /dev/disk2 #: TYPE ...
0
votes
1answer
55 views

Move data from 1 hard drive to the other

I have a bootable partition on an external drive with some old data that I want to move to a new external hard drive. The partition on the old drive is 500GB however theres only 320GB of data. So i ...
2
votes
1answer
1k views

Is it possible to install Windows Vista 64-bit on mid 2010 27" iMac w/ Mavericks?

I have a legal copy of Vista which I used to use before I had a drive failure on my mid 2010 27" iMac. Since then I've installed OSX Mavericks, and now it's telling me that only Windows 7 and 8 are ...
11
votes
3answers
50k views

How can I delete a partition (coreStorage logical volume?) from the Terminal?

I finally understood why Disk Utility will not change the partitions on my HDD, even though I added the most recent one myself (maybe significant: to test Yosemite DP) with it. Now I see it says it ...
1
vote
3answers
7k views

How to repair Mac partitions without Internet Recovery and Rescue USB?

Resizing the C:\ drive under Windows(bootcamp) corrupted mac partitions. Neither Mac OS X nor Windows are able to boot. Holding the Option(ALT) key shows only Windows, which can't boot. Internet ...
0
votes
2answers
476 views

SSD Partition Corrupted

I recently installed a dual-drive setup where I have an SSD and an HDD. I had installed the OS and Apps on the SSD, and other stuff stayed on HDD. Recently my battery died, and I have been using the ...
2
votes
1answer
1k views

MacOS Extended (Journaled, Encrypted) uses h/w encryption?

I have a LaCie 2big, connected via Thunderbolt 2. When I select as a disk-partition MacOS Extended (Journaled, Encrypted), does that uses some type of hardware encryption or is it all software?
0
votes
1answer
285 views

If I mess up the EFI System Partition, will Mac OS X be unbootable?

I forgot to make a backup of my EFI System Partition (ESP) and have installed grub onto it. If I happen to accidentally mess up the partition, will OS X be bootable? If not, how would I restore the ...
1
vote
1answer
148 views

Partition Format on Mac

Mac newbie here. I need to have a case sensitive file system. I am planning to create a separate data partition for that. 100GB (Mac/home directory) + 151GB (data partition). I have a habit of making ...
2
votes
2answers
249 views

Can I install OS X onto a separate external drive partition?

There are plenty of articles explaining how to install OS X on a separate partition of your Mac’s internal drive and how to install it onto an external drive using a single partition. However, it’s ...
0
votes
1answer
827 views

Can't install Mountain Lion on a machine that has Mavericks installed, even on a separate disk/partition

I have upgraded my Mac mini 2012 to Mavericks, and everything is running quite well. However, it turns out that I need to also run Mountain Lion sometimes (a piece of hardware I need to use is not ...
27
votes
8answers
106k views

Unable to Resize Partitions

I have recently created a partition on my macbook air running OS X 10.9, and this was to run install another OS instance (Yes, OS X 10.10 Yosemite, but that is an aside to the query I have) on it. I ...
1
vote
1answer
713 views

Creating a EFI partition

I have been having trouble installing OS X Mavericks and I think I found the problem. It told me I couldn't boot up with Macintosh HD, so I verified my disk and I got this error: This disk doesn't ...
0
votes
0answers
447 views

After upgrade Lion to Mavericks, can't run Windows 7 on boot camp because is hidden/disabled

The question is about iMac (21.5-inch, Mid 2011) It was with Lion, there was a Windows 7 (32bit) partition created by Boot Camp v4. So, I made the upgrade to Mavericks (no clean install), after this ...
2
votes
2answers
485 views

Will OS upgrade from Snow Leopard to Mavericks erase other partitions?

I have Macbook6,1 Late 2009 Unibody white Snow Leopard with dual boot Debian Wheezy installed on the other partition. I use EFI to show boot options at startup. Will upgrading to Mavericks ...
2
votes
0answers
54 views

How to use Time Machine to back up a partitioned drive?

My MBP was originally a single SSD partition, which I backed up with Time Machine to an external USB HD. I created a new partition on the SSD for Yosemite, and am running the MBP on 10.10, although ...
1
vote
2answers
665 views

Fix “Permission Denied” when copying files

Whenever I try to copy all the content of a usb to my Mac partition it says Permission Denied The command I am using is cp -R /dev/disk1 /dev/disk0s3 My error message is: /dev/disk0s3: permission ...
0
votes
2answers
5k views

Repartition hard drive with bootcamp on it

I currently have this setup on my Mac- OS X Mavericks 10.9.3, Windows (bootcamp) and a Recovery HD. My question is can I repartition my hard drive to have another partition, using disk utility (resize ...
2
votes
1answer
5k views

Dual boot Ubuntu 14.04 on a MacBook Pro

so after a few hours of Google searching and too many headaches with a broken GPT, I've turned here. I have a 2012 MacBook Pro (9,2) that I want to dualboot OS X 10.9 and Ubuntu 14.04 on. I've read ...
1
vote
2answers
9k views

Dual booting Yosemite/Mavericks: Stuck in Yosemite with an 'Install OS X' volume instead [closed]

I've made a partition on my hard drive, so I currently have Macintosh HD (call it 1) and Macintosh HD 2 (call it 2). I downloaded the Yosemite installer with my Mavericks install on 1, then ran it ...
0
votes
1answer
122 views

Can I clean install Mavericks preserving other bootable partitions (Ubuntu on ext4)?

I have checked Will my other partitions be wiped when doing a clean install of Mavericks? but I'd like to make sure whether a clean install of Mavericks to my specific OS X partition won't mess up ...
2
votes
0answers
108 views

Is it possible to rename a logical volume group that's currently in use with bootable partitions that contain data?

I need to know if it's possible to accomplish this: http://apple.stackexchange.com/a/90821 but without having to wipe the drive. I added a new partition and installed another instance of OS X but ...
0
votes
0answers
87 views

My iMac Isn't Seeing a Place to Re-install Mac OS X in Recovery Mode?

I recently failed to install Ubuntu on my iMac (Linux 14.04 / most recent iMac). It all appeared well until I rebooted, but now it won't boot anything but my Ubuntu live CD. I'm able to work with the ...
3
votes
3answers
820 views

Unable to increase partition size with subsequent blocking partition

I can't make my main Macintosh HD partition bigger. It's limited by the partition in the middle, which seems to be frozen, I can't move it down to make space for my main partition. Also I can't seem ...
1
vote
1answer
155 views

Minimum partition size for normal osx usage?

I want to set up a linux/osx dual boot on a mbp with a shared zfs pool for data and /home. My question then is, if /Users is on a separate partition, does anyone have any recommendations towards how ...
4
votes
1answer
56k views

Install windows (bootcamp) without CD or USB Flash Drive

I'm currently trying to install windows on my macbook (13in, 2011), but without any success. My CD drive is dead (as a matter of facts its ruining any cds I put in it), and I simply cant boot via USB. ...
1
vote
1answer
35 views

Partition Time Machine volume already used

I want to partition/reduce size my Time Machine volume to use it also with another Mac. Now I've this situation I want to change the partition and do this But the two tips of the partitions says ...
1
vote
2answers
227 views

Split volume for backups

I have just got a mac and I have quite a large external drive that I've mainly used for making back ups of important files. Someone told me today that I could plug this into my mac and split it up and ...
1
vote
0answers
3k views

Error occurred while removing boot camp partition with Boot Camp Assistant

While attempting to remove a boot camp partition with Boot Camp Assistant I encountered an error. Boot camp assistant gave me an error message along the lines of "An error occurred while restoring the ...
0
votes
1answer
148 views

Restore partition type to NTFS

I have a usb disk with two different partitions, one for TimeMachine and the other for storage formatted as NTFS. This morning i was looking for a way to mount in r/w mode the NTFS partion (macfuse ...
0
votes
2answers
45 views

Recovery HD tries to delete itself

My configuration of Mavericks-Ubuntu-Windows has gone nuts, so I deleted the windows partition and rebooted to Recovery HD to try and reformat the whole HD. Recovery HD at first appeared in disk ...
1
vote
0answers
181 views

upgrade a triple boot with 10.6.8 to 10.9 - potential problems?

I was hoping to find a consensus of people who knew about the complications of upgrading from 10.6.8 to 10.9. I see on the App Store that 240 gave 10.9 1 star while 489 gave it 5 stars - so that is ...
0
votes
1answer
1k views

Partition failed

Trying to shrink my default full disk partition to create some free space (for Ubuntu, incidentally, which I'm longing for even more now). Partition failed Partition failed with the error: Couldn't ...
1
vote
1answer
395 views

Create new partition from brand new MacBook Air

I just purchased a macbook air, and when opening Disk Utility, I see the following: 251 GB Apple - Macintosh HD I want to have a 10GB partition besides the current one, which will have the format: ...
2
votes
1answer
4k views

how to expand bootcamp boot partition to previously existed NTFS data partition

Some time ago I've partitioned my disk using this scheme: shrinked OS X partition, created NTFS data partition for Windows, then installed Windows on Bootcamp partition. Recently I installed ...
1
vote
1answer
441 views

CentOS will not install on my Mac

I am trying to install CentOS on another partition, and It will install, but every time, I get a GRUB HARD DISK ERROR. Here are the steps I took: •Resized Mac OSX disk and gave 20 gigabytes of free ...
2
votes
1answer
631 views

Configuring SSD over-provisioning on Mac OSX

I'm in early investigation stages of adding a SSD drive to my MacPro. Fragmentation problems can lead to serious performance problems on an SSD. There are a couple answers to this problem: TRIM - ...