Creating a new disk formatting scheme or altering an existing scheme

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11 views

Can't resize external hard drive partition

I remember very clearly back when I formatted the drive, that I chose everything that St. Steve prescribed me to, GUID scheme, HFS+ partition type, even though other platforms can't write to HFS+. ...
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0answers
14 views

Impossible to join free space on main Machintosh HD [duplicate]

I've removed Windows deleting the partition because from BootCamp Assistant it gave me error that couldn't partition the disk. The problem is that now I have 100 GB of free space (which are from the ...
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0answers
12 views

Installed rEFInd Boot Manager, it seems HD re-ogranized

Before I installed rEFInd, I believe there were three partitions to my Mac, disk0, disk1, disk2. Now, when I run in the Command line diskutil list This is what remains: /dev/disk0 #: ...
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1answer
45 views

Apple Hardware Disk Utility Unallocated Space on my Hard Drive

While trying to get bootcamp set up on my macbook pro 15 inch retina 2015 it asked me to partition my mac hard drive. Doing so I partitioned my 1 TB hard drive so that it dedicated 750 gb to mac and ...
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1answer
19 views

Cannot boot to OS X using rEFInd

I have installed rEFInd 0.8.7 on my 2015 13" MBP onto another partition however it does not detect OS X. Here are my disk partitions: /dev/disk0 #: TYPE NAME ...
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0answers
16 views

Install rEFInd on another partition

I recently tried to install rEFInd onto my Mac but it could not boot into the Ubuntu disk. To uninstall It I formatted my drive and reinstalled OS X along with my backup. To avoid this issue again I ...
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3answers
53 views

Can one create a multi-partition USB Stick with Mavericks, Yosemite, Snow Leopard installers?

Does anyone have any experience creating a multi-partition USB Stick with bootable partitions for installing Mavericks, Yosemite and Snow Leopard? I have a 32Gb stick I'd be perfectly willing to ...
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1answer
19 views

Expanding Flash Storage with SDXC

I see on a Macbook Pro, you can expand your current storage space with SDHC or SDXC. Being a Linux user I know you can use RAID to expand storage with 2 disk, so storage looks like 1 HD. However, most ...
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2answers
17 views

Reclaim disk space from old Windows partition?

How do I reclaim the disk space used by my former Windows partition? Clear free space in Disk Utility So I recently removed Windows 7 from my iMac, but Bootcamp didn't let me do it. I used Disk ...
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1answer
66 views

New “EFI boot” drive appearing after reverting OS X drive to HFS+

Months ago I performed a clean install of Yosemite, and as you can read elsewhere, drive was formatted as Core Storage. Later on I partitioned and put on Windows 8.1 through Bootcamp. Worked well for ...
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0answers
25 views

Lost partition on WD 1.5 TB external drive

My 1.5 TB WD drive failed out of nowhere and now it shows up saying "The disk you inserted was not readable by this computer" This is how it shows up on Disk Utility This is what sudo gpt show ...
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2answers
71 views

Partition my HD with Disk Utility, cannot resize the partition WITHOUT installing Windows. WTF?

I am installing Ubuntu on my Mac to exist as in parallel with OS X Yosemite, version 1010.3. The screenshot looks similar to previous questions, e.g. How can I resize a partition with Disk Utility? ...
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29 views

Disk Utility won't let me create new partitions?

I had a 500gb HDD installed in my Mac running OS X 10.9.5 Mavericks. Being an older drive it started to have some issues, so yesterday I went out and purchased a new 1TB hard drive to replace the ...
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2answers
33 views

Create a new partition after Bootcamp

I've installed Windows with the Boot Camp Assistant Tool but I want to create a third parition to install Ubuntu. On the Mac I can't change the volume size, is not that i receive some error, is just ...
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1answer
32 views

Save data from broken Macbook Pro HDD

I have a broken Macbook Pro HDD with two partitions on it: OS X and Bootcamp. I need to take some files from both partitions: the HDD is now mounted to another PC via. SATA adapter Windows sees the ...
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0answers
22 views

How can i delete a partition in Terminal when I can't simply combine because 'The given partitions are not on the same whole disk'?

Before I partitioned my HD, the only one I had was "Macintosh HD". The partition created one called "Macintosh HD2" I used terminal to erase "Macintosh HD2" somehow, but it returned as "Untitled." ...
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2answers
76 views

Deleted 600mb Partition on Bootcamp-ed MBP while logged into Windows 8 using Disk Manager. No longer boots into OS X

On Mac Book Pro retina ( 2014 ) Mavericks running Boot Camp, one hard drive partitioned to dual boot OS X and Windows 8. While messing on Windows 8 I mistakenly deleted a partition which is now ...
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1answer
48 views

Erase partition without recreating one?

I've got an external USB hdd that I wish to use entirely as a TrueCrypt volume. There was one pre-formatted partition, so I'm trying to erase that with Disk Utility. But no matter what I do or try, ...
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1answer
72 views

Reclaim hard drive space from deleted partition and reclaim Apple bootloader

I had my system dual-booted with Ubuntu 14.04. However, I found myself not using it enough to warrant the storage space. I deleted the ubuntu partition and the ubuntu swap partition. However, am now ...
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0answers
23 views

Can't unpartition disk in Yosemite

I am trying to remove partition 6, but the traditional delete and resize are not working? Any ideas how to do this?
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0answers
67 views

Cannot resize Macintosh HD

I currently have elementary OS installed alongside Yosemite. When I try to resize Macintosh HD to give space for a Windows installation, I get the "filesystem support for resizing required" error even ...
2
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2answers
108 views

Boot Camp does not boot after disk cloning

I've got a MacBook5,1, and I replaced the CD drive with a SSD. Then, I made a "DIY fusion drive". Before doing it, I was using the regular setup, with Boot Camp. Then I put the SSD and made the Fusion ...
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1answer
38 views

Can't format o repartition any USB or Flash Drive

I am trying to format an SD card and an USB flash drive. When I use the Disk Utility application I receive the following message: "Couldn't open device" I also tried via terminal and the message I get ...
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1answer
48 views

Reformat a Partitioned Mac OS Extended External Disk?

One of my backup disks is full. How can I Erase & Reformat the drive? I use Yosemite OS. The External Hard Drive was formatted as Partitioned Mac OS Extended (case sensitive, Journaled, Encrypted ...
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69 views

Is it safe to convert Core Storage partition to HFS+?

I just got my new Macbook Pro, I tried to make two new partitions using Disk Utility but I could only create one. After googling I found out that I can't create more than one additional partition in ...
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0answers
7 views

Why does disk utility want to erase my RAID 1 set?

I have 2 disks, the first a 2 TB and the second a 5 TB the 2 TB is split into 2 partitions and the 5 TB into 3 partitions with one 2TB RAID0 set, one 1TB RAID1 set and one single 3TB partition. I now ...
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2answers
156 views

Hard Drive Issues with MacBook Pro 13-inch mid-2012

I'm trapped in a HDD nightmare with my MacBook Pro mid-2012. I updated to Yosemite 10.10.3. A couple of days after the update, I was watching a movie on my TV screen via HDMI. In the middle of the ...
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2answers
22 views

Recovery HD left in the middle

I did some partitioning to install Linux. Then I decided to erase that partition altogether. Now I am left with a configuration like this: How can I add the free space to main partition?
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2answers
102 views

External HDD cannot be mounted

I really have a problem with my HDD. I was working on it, it was my local HDD installed on a MacBook 2009 but some day my Mac turned off suddenly and it didn't work again. I installed OS X on a new ...
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0answers
50 views

Bootcamp HD not showing up after OS reinstall

I have two partitions on my 2012 iMac. They were working fine, but recently I increased the size of the windows partition and formatted the mac partition to a clean install of the os. Now I can't see ...
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0answers
56 views

Add an exeption to the Apple EFI (option) boot menu

I have just installed Ubuntu on a partition of my HD. I am using a MacBook Pro Mid 2012. I know that to launch Ubuntu, you need a third party EFI booter such as rEFInd. I have installed that, but I ...
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4answers
118 views

I can't shrink my OS X Yosemite partition [duplicate]

I recently reformatted my machine and am trying to shrink my OS X partiton to make room for a linux partition, following instructions at http://www.makeuseof.com/tag/install-linux-macbook-pro/ . I am ...
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35 views

Formatting & partition problem

Today I ran into a big problem: I was trying to make a bootable OS X thumb drive with Unibeast but haven't been able to format or partition it. The error shown when i try to format or partition in ...
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1answer
14 views

Can I create a backup of a specific partition and restore it later?

I have my beta partition on my SSD and I want to create a backup of it so I can identically restore it on a different partition, later. My simple question is: Can I? I've got multiple partitions and ...
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0answers
19 views

How do I transfer unallocated space from volume A to volume B?

Let me just clarify it with the picture below. As you can see, there is much free space on the 'SSDaeffer (1)' partition, but as this was my OS X Beta partition, I want to transfer that free space ...
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2answers
82 views

Resize FusionDrive to fill empty space?

Context: I wanted to install Windows 8 onto my Mac by repartitioning my FusionDrive. Using the partition BootCamp provided didn't work, so I found a "solution" on Apple forums to create empty space ...
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1answer
55 views

Disk space lost after quitting disk partition

My MacBook Pro came with a 500 GB hard disk, and I used about 250 GB. I was trying to get a new logic partition using the OSX disk utility, and then my Mac Book Pro froze and I had to quit the Disk ...
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2answers
85 views

Move Bootcamp to external drive - restored, fdisk - still not recognized as bootable!

I want to copy my W7 Bootcamp partition to an external HDD, and be bootable of course. It is currently functioning fine alongside Yosemite on a different HDD. DiskUtility Restore works... I marked ...
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1answer
59 views

repair disk - unmounted encrypted disk partition

In Yosemite 10.10.2 after verifying my startup disk in disk utility I got this message... "This disk needs to be repaired using the Recovery HD. Restart your computer, holding down the Command key ...
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24 views

Get Automator to remount a partition for an attached hdd

I've got a setup where we backup our server every day to an external thunderbolt drive, and we alternate between two different drives. I've got an Automator script that ejects the drive every week ...
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0answers
87 views

MacBook not able to boot using OS X (Yosemite) after partitioning the Macintosh HD (hdd) while installing Kali Linux

I tried to partition the HDD using GParted but it didn't work out. Maybe because I messed up. So after cancelling the whole process, I rebooted my laptop. When I tried booting through OS X, it did not ...
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3answers
133 views

How to re-download Yosemite for creating second partition?

I have a paid Apple Developer account, and want to create a Beta-Partition with Yosemite. I thought the way is pretty straight forward: Downloading Yosemite Install it Choose second partition ...
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1answer
29 views

Is there a way to limit OS X when searching for apps?

My issue is that OS X is finding multiple versions of applications. When opening a file with the "Open with ..." option, I see multiple versions of an app. This is being caused by having multiple OS ...
0
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1answer
43 views

Late 2011 MacBook Pro Cannot format HDD

I have a Late 2011 MacBook Pro with 750GB HDD. I was running Yosemite 10.10.2. I had about 250GB of partitioned HDD that i wanted to add to my main partition 'Macintosh HD'. It let me remove the ...
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1answer
47 views

How to recover the name of a non-system volume containing all user folders in Mac OS X Lion?

I have done something stupid and need help: I have 3 external drives attached to my Mac and in an attempt to make the partition names more meaningful, I renamed them using finder/get info. My user ...
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1answer
1k views

Disk Utility message “Updating boot support partitions for the volume as required”

Finder crashed on a external drive which caused an abrupt eject. I rand Disk Utility over the drive and the operation finished with the message: Updating boot support partitions for the volume as ...
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1answer
98 views

Hard drive no longer accessible

This is a 4 TB hard drive formatted in Mac's Disk Utility as a single non bootable Exfat partition with the drive letter G. It worked fine before I decided to make a clone drive of my C bootable ...
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0answers
53 views

How do I create a bootable USB drive that will reinstall OSX Yosemite from a Windows 8 Computer

I deleted a system file on my Mac that made it stop working. When I restart, it just crashes midway and restarts again. If I hold shift to do a safe reboot, it freezes halfway through. When I reboot ...
0
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1answer
71 views

Force stuborn drive to unmount

I have a single partition disk whose filesystem will not mount properly. I don't care about the data and I would like to try reformatting the disk but I keep getting errors related to a failure ...
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0answers
28 views

MacBook Air boots into wrong partition

I have two partitions created, one called "Yosemite" and the other is my default 10.6.8 partition "Macintosh HD". I successfully installed Yosemite onto the "Yosemite" partition, but when I try and ...