Creating a new disk formatting scheme or altering an existing scheme

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1answer
14 views

Transfer Bootcamp over from a separate hard drive to a partition of a hard drive

I have a Macbook Pro with dual hard drives (1tb HD, and a 250gb SSD that I replaced the disk drive with). I have been using the regular HD for my mac and the SSD for my bootcamp. Recently, I found ...
2
votes
1answer
2k views

diskutil coreStorage in Lion fails to create a concatenated LVG, error -69886

I would like to create a logical volume group (LVG) with two physical disks. Issue The command: diskutil coreStorage create LVGNAME /dev/disk1 /dev/disk2 returns: Started CoreStorage ...
2
votes
1answer
28 views

Bootcamp stuck in Windows

I have a Bootcamp partition with Windows 8.1 that I rarely use. Last night I was in OSX, closed the lid, and when I opened it this morning it was in Windows and I cannot get out. Booting with the ...
2
votes
1answer
12k views

Black screen when installing Boot Camp?

I recently did a complete wipe of my late 2009 MBP and restore using a Time Machine backup, so I would have uninterupted space at the end of the drive for creating a Boot Camp partition. The Boot Camp ...
2
votes
1answer
724 views

How can I add an HFS+ partition to an MBR-partitioned external drive

I have a 1Tb external drive that currently has two partitions - 64 Gb NTFS 524 Gb ext2 The remaining 414Gb is unused and shows as "Free Space" on the Mac's Disk Utility. I'd like to take 250Gb ...
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0answers
18 views

Full access to second encrypted partition with OS X on it

I have two encrypted logical partitions on my Mac, one with Mavericks and one with the Yosemite public beta. I would like to have full read and write access to all files on one partition when I am ...
1
vote
1answer
29 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 ...
4
votes
2answers
50 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
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1answer
91 views

Can I remove one partition on an external drive, while keeping the other intact?

I have an external USB drive, which I've partitioned into separate FAT32 ("MOVIES") and OSX ("TIME_MACHINE") partitions: I now wish to remove the FAT32 partition and just use the OSX partition. ...
5
votes
3answers
980 views

Partitioning Software

Is there an equivalent on the Mac platform to Partition Magic or GParted that will allow me to resize, move, and/or change partitions on the fly without formatting, or disturbing the data that is ...
0
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0answers
11 views

Partitioning an encrypted time machine hard drive

I recently got a 1TB external hard drive. My intention was to partition half for time machine to do backups, and half for general storage. When setting up time machine there was the option to encrypt, ...
2
votes
2answers
1k views

How can I attach a disk to existing ZFS zpool mirror with Ubuntu and ZEVO?

Is it possible to attach a third hdd to a already created mirror consisting of two hdds with ZEVO? Ubuntu I run an Ubuntu Virtual Machine with native ZFS support. When I attach the third hdd it ...
2
votes
3answers
4k views

Boot Camp Assistant crashes when partitioning drive (exception: EXC_BAD_ACCESS)

I run Mountain Lion, a fresh install, brand new Macbook Pro. HD: Samsung 840 Pro 512 GB SSD. When trying to go through Boot Camp Assistant / Setup it works fine until it wants to repartition my ...
1
vote
3answers
582 views

Cant remove windows partition from mac(not BOOTCAMP)

I have a windows partition(not a bootcamp one) and would like to remove it.This was obviously not possible with bootcamp.I tried using Disk Utility but all buttons there are inactive. I have ...
3
votes
1answer
11k views

Create new partition in unallocated space with diskutil

I have deleted the first partition on my external HD such that it now has 100GB of free space at the beginning of the partition. I'd like to reclaim that space, but Disk Utility doesn't let me create ...
1
vote
1answer
620 views

Merging partitions separated by Bootcamp

In the process of installing windows on my MacBook Pro, I managed to somehow partition the disk this way. Is there any way of merging the UNTITLED 3 segment with the Macintosh HD segment without ...
0
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0answers
59 views

Error -50 on a partitioned external hard drive

I bought a 4 TB Seagate Expansion external hard drive about a month ago. I intended to use 1 TB as a Time Machine partition and 3 TB for miscellaneous storage. When it arrived I went ahead and made ...
3
votes
2answers
285 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 ...
0
votes
1answer
37 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 ...
2
votes
1answer
5k 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. ...
0
votes
0answers
11 views

Want to duplicate master sector 0 and partition tables on external drive

I have a theater system using a Mac Mini running OS X 10.6 Snow Leopard. It has two RAID 0 external drives connected that store my movies and TV shows. The system shut down during a storm and ...
1
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2answers
49 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 ...
1
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0answers
26 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 ...
0
votes
2answers
1k views

Couldn't Modify Partition Map using external disk

Seems the most common relationship to this error is using Windows on a separate partition. Here is my problem. I have a 1 TB external disk that was used half for Time Machine and half for general ...
6
votes
3answers
15k views

Boot into Mac from Windows after failed Bootcamp

Don't hate on me too much for this one... I put Win8 on my Mac Mini using Bootcamp, and all was well. I switched back and forth a couple times between the two with no problems. The problem started ...
0
votes
2answers
2k views

Resetting MBR on iMac

I installed Ubuntu on my iMac (partially successfully) I had rEFIT installed but it did not recognize the Ubuntu installation. I removed the partition and rEFIT and now when I attempt to install ...
0
votes
1answer
99 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
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0answers
30 views

How do I uninstall Yosemite Beta installed on a separate partition [duplicate]

My Mac has an SSD with Mavericks installed. I also have another disk in my mac. It contains my music, photos etc. I installed Yosemite Beta on that other disk. But I didn't create a separate partition ...
6
votes
2answers
10k views

Bypassing Boot Camp to install Windows using a non-standard partition scheme

My new Retina MacBook Pro is on its way, giving me time to contemplate setting it up. Good thing I got started—I had no idea how difficult it was going to be to install Windows and create an auxiliary ...
2
votes
2answers
30 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 ...
1
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0answers
36 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 ...
0
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0answers
9 views

Partition Table Overwritten by MBR for USB external storage

I was trying to make my SD card writable again on my MBP which I had my 1 TB external storage connected to my Macbook Pro. So I ran the command $ sudo diskutil eraseDisk FAT32 SDNAME-SD MBRFormat ...
1
vote
1answer
505 views

Bootcamp not working after partitioning Macintosh HD

I installed Windows 7 using bootcamp on my Early 2011 MBP. I gave 130GB to Win7 and rest to Mac HD. Once all was done, I created a new partition within Mac HD. The partition was created successfully ...
2
votes
4answers
2k views

Unable to Resize Partitions [closed]

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 ...
2
votes
2answers
167 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
638 views

Boot Camp will not allow removing Windows 8 partition

I've used Boot Camp to install Windows 8 on my Air some time ago and I was trying to remove the windows partition to restore some space. Except Boot Camp gives me a warning saying "The startup disk ...
0
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0answers
53 views

Problems restoring Windows to partition using Winclone

I installed Windows on my 2012 iMac a couple of months ago and it all worked out fine until my programs needed updates and I realized I had given my Windows partition to little space. I did some ...
2
votes
1answer
627 views

Bootcamp and Macbook Pro and TrueCrypt

I am using Bootcamp on my Macbook Pro and have Windows 7 installed. Unfortunately, due to the changing nature of my work, I need to switch to full time Windows, and encrypt my laptop. I'm going to ...
0
votes
1answer
69 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
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0answers
21 views

One of the partition on my external HDD does not mount

I have two partitions on my External HD. One of them mounts but the other does not mount - even after repairing it. Below is the error message Disk Utility gives me.
2
votes
2answers
3k views

Can't partition startup disk in Mavericks for Boot Camp

I recently upgraded my computer to Mavericks (I believe I have the latest version, 10.9) and I've been trying for 2 days now to install Windows via Boot Camp on my computer, but it always fails at the ...
0
votes
1answer
29 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
351 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 ...
0
votes
1answer
129 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 ...
1
vote
2answers
485 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 ...
4
votes
2answers
4k views

How to Install Windows 8.1 on Haswell Mac?

I have a Haswell retina MBP, but following the installation process with Bootcamp Assistant v.5.1.1 results in an error when Windows attempts to install. Are there any guides available that walks one ...
0
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0answers
14 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
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1answer
20 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
2answers
78 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 ...
1
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2answers
191 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 ...