Apple's built-in disk management utility for the mac. Erases, formats, and restores volumes and drives.
1
vote
0answers
25 views
Why does my 3TB Seagate HD keep formatting as a Logical Volume Group
This is really annoying. I have a brand new Seagate 3TB 7200 RPM hard drive that I am trying to format/partition in Disk Utility. Every time I change any settings or erase the drive, it changes it to ...
3
votes
2answers
191 views
installation stuck in a loop due to damaged HD
Right off the bat I'll admit it was stupid to jump into trying to install a new version of OS X to the only partition without having taken adequate precautions (no backups or recovery disks), but ...
0
votes
1answer
16 views
Any need to verify disks after hard reboot?
About every few days I need to reboot my 2012 MacBook Pro Retina.
I noticed these messages in the logs regarding "Journal is read-only and journal is dirty. Can not mount volume".
Any need to ...
1
vote
1answer
27 views
Does mounting a large disk image require a certain amount of free space on the internal drive?
I've got a bunch of Mac disk images (.dmg files) that are 100 GB or larger. I'm currently on an iMac with a few hundred gigabytes of free space, but I'm going to be moving to a Mac laptop with 128 GB ...
1
vote
0answers
41 views
MacZfs with encryption on os-x
I have followed these steps for setting up zfs (maczfs 74.3.0, OSX 10.8.3) with encryption. Everything works fine, till I restart the computer.
After the restart, diskutil informs me that the file ...
0
votes
0answers
12 views
How to verify when disk drive detection is done (diskutil will list all drives) during boot process?
In a system where SATA disks are connected to a third party (Highpoint) controller, the wish is to create a bash shell script that will run every system boot.
The shell script will test whether each ...
1
vote
1answer
39 views
CoreStorage: what does LVG status 'offline' and PV status 'checking' mean and how can it be fixed?
I converted a partition to a CoreStorage volume using this command:
sudo diskutil cs convert disk0s2 -passphrase test123
Now when I run `diskutil cs list' the output shows that I still only have a ...
2
votes
3answers
70 views
Understanding how safe boot fixed a boot problem
Background
My friend asked me to look at her early 2011 Mac Mini with OS X 10.8.3. She said that:
she installed software updates
she couldn't remember which updates were installed
when the Mac ...
0
votes
0answers
22 views
Detecting a drive (dead or alive) loaded in optical bay
I loaded a SSD into the optical bay of my 2011 MBP today, and initially it was picked up just fine - I used disk utility to format it to extended journalled, and set about moving files onto it with ...
2
votes
1answer
58 views
USB drive stuck on read only
So my usb drive is stuck on read only and I have tried many different options which I have gotten from different websites.
I have tried to restore/erase in disk utility but the options are greyed ...
1
vote
0answers
69 views
MacBook Pro Mid-2009 13 inch does not recognize replaced hard drive
As the title states, I recently got a used Hard Drive from another MacBook Pro and installed it into my MacBook. The problem, is the laptop will not recognize it at all. The old hard drive just goes ...
0
votes
1answer
47 views
Carbon copy cloner to image OS X lion and restore from disk image
Is it possible to create an image of my 64gb 2012 Macbook Air using Carbon Copy Cloner so that I can recover from that image (if my Mac does not boot) when I am not connected to the internet? I can ...
0
votes
0answers
22 views
When creating a RAID 1 mirror set, do you need to have both disks available or can one be added later?
I'm planning my transition to Mac OS and I have a pair of mirrored drives I would like to move to my future computer. Since they are currently formatted as NTFS they will need to be reformatted during ...
0
votes
1answer
35 views
Unable to eject or erase USB drives
I'm unable to eject USB drives. When I try, I get this error:
The disk "Untitled" wasn't ejected because one or more programs may
be using it.
To eject the disk immediately, click the Force ...
0
votes
1answer
74 views
Move of time machine backup: unable to “restore”
I want to use a new hard drive for time machine. I try to restore the old backup into the new disk using disk utility. It fails with the following error :
source volume is read-write and cannot be ...
0
votes
0answers
31 views
Encrypted/Journaled Seagate won't accept Password
I have a 2011 MacBook Pro Intel running Mountain Lion. I have a 2tb Seagate External Drive with 3 partitions: all three were set up the same way with different passwords as a person who used to live ...
0
votes
1answer
70 views
Can a file be copied to one hard drive in a RAID 1 mirror set (software RAID), and later have the 2 drives sync up?
I think I read that we can set up a RAID 1 mirror set (software RAID) using OS X Mountain Lion using Disk Utilities, and later plug in one drive and copy a file to that drive, and later on, plug both ...
0
votes
0answers
64 views
Run Disk Utility on Snow Leopard with lost system disk
I have some errors on the hard drive of my mid-2006 iMac that is running OS X 10.6.8. I need to boot off the system disk to run Disk Utility. Unfortunately, after looking throughout my house, I could ...
0
votes
1answer
81 views
Is it safe to reformat drive during Recovery Mode install?
I've inherited an almost brand new 13" Macbook Pro Retina. I'd like wipe the hard drive clean and start with a fresh install of Mountain Lion. I've done this a million times before... but never while ...
0
votes
1answer
64 views
Can I “restore” an iso image to my hdd to be bootable?
I removed my superdrive a while back but now I want to install a linux partition on my macbook. I installed rEFInd as my boot manager but now I need to boot into the arch linux iso. Normally I would ...
1
vote
1answer
66 views
Image files made with Disk Utility creates parent folder
I'm using OS X 10.5.8., updated from 10.5.2. which I installed from the two installation DVDs that came with my MB404 MacBook.
I recently found my original 10.5.2. installation DVDs, which I thought ...
0
votes
1answer
57 views
How to mount Linux_RAID on osx
I have a NAS that broke and it used linu_RAID as its format type. How do I mount this in OSX?
Similar to this one...
...
0
votes
1answer
42 views
Hard Drive Preview / Disk Utility Used Space Discrepancy? [duplicate]
So I recently cleared a lot of space off of my hard drive as a sort of "spring cleaning," and I got it down to less than 40GB, but my computer doesn't seem to agree with itself on that. If I look at ...
-1
votes
3answers
108 views
How to auto-run disk repair on OS X after each system crash?
How to auto-run disk repair on OS X 10.8+ after each system crash?
Note: I am not looking for a manual solution.
1
vote
1answer
139 views
Replace a failed disk in a Disk Utility RAID 1
I have LaCie 2big thunderbolt 2-disk device configured as a RAID1 from Disk Utility. One of the drives appears as "failed", so I unmounted the raid, replaced the drive and plugged it all back in.
Now ...
0
votes
1answer
215 views
Fix slow startup after utility disk repair on a SSD
I have a 250Gb Samsung SSD 840 series with Trim support enabled installed on a mid-2009 13" Macbook pro running Snow Leopard (10.6.8, 2.26GHz, 8Gb of RAM) and I experience extremely slow startup after ...
1
vote
1answer
315 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 ...
0
votes
2answers
425 views
How to repair external hard drive that fails diskutil with 'Disk Full Error'
If I run fsck_hfs -y -d /dev/rdisk2s10 it putters along, rebuilds the catalog B-tree then fails when writing the new catalog to disk.
bash-3.2# fsck_hfs -d -y /dev/rdisk2s10
** /dev/rdisk2s10
Using ...
3
votes
1answer
101 views
Erasing partition doesn't give me free diskspace
I'm using a Macbook Air and until today I had two partitions on it (not counting the restore partition). I had my OSX partition and an Ubuntu partition.
As I don't use Ubuntu anymore, I decided to ...
0
votes
1answer
428 views
Unable to adjust partition of USB drive with Mountain Lion Disk Utility
I have a 500 GB USB drive, which I once partitioned into two parts: one encrypted—Mac OS Extended (Journaled, Encrypted), and the other not—Mac OS Extended (Journaled).
Now I want to change the ...
2
votes
1answer
382 views
Disk Utility: Incorrect number of file hard links
I'm running Mountain Lion on my Mid 2009 MBP. Recently(for last few months) it's acting really slow. Simplest actions are taking forever to perform. So I verified disk using the Disk Utility and it ...
1
vote
0answers
594 views
How do I force a partition and format on a USB key in OS X Mountain Lion Disk Utility or from CLI diskutil?
I have a brand new Memorex TravelDrive 64GB USB disk which is being troublesome.
It's formatted FAT16 on MBR, which is not so nice, and I'd like to put it on HFS+.
I've tried to do this through ...
3
votes
2answers
514 views
Mac Hard Drive Testing Tools and SMART Analysis
How good is SMART (Self Monitoring Analysis and Reporting Technology) for really finding and predicting drive problems for regular hard drives and now, for SSDs.
From what I understand, different ...
0
votes
0answers
47 views
How to order partitions in diskutil?
I have the same problem as this guy
How to resize Macintosh HD?
But :
In the 2nd answer @paulgrav uses diskutil
Now I have this second issue :
Does someone know how to reorder the partitions in ...
1
vote
1answer
288 views
How to remove the use of master boot record from an external hard drive?
I have a 1TB external hard drive and I want to slice it into different partitions. When I try to do so, I get this error:
can not modify external drive because it uses master boot record
Is ...
0
votes
0answers
93 views
Installed boot camp, OS X start taking forever to start up, Open error 5 for battery
Just installed boot camp.
Now OS X starts up in like 6 minutes.
My partitions are 331 - OS X; 169 - Windows.
More importantly, and I think related: My battery status is no longer showing up.
...
1
vote
1answer
215 views
How can I reformat a drive that contains an encrypted volume?
After OS X 10.7 came out with its disk-encryption features, I encrypted an empty USB thumb drive just for grins. I never used it, and eventually decided to reformat it as a normal drive for use with ...
2
votes
0answers
86 views
How do I format an encrypted Integral Secure Key?
I just bought an Integral Secure Key from the Apple store but am fed up with having to use its own software just to transfer files to it as it does not appear as a normal USB drive in Finder.
How can ...
0
votes
4answers
530 views
What to do when my Time Machine drive is getting disk errors?
My Time Machine drive is getting disk errors. I used Disk Utility and ran "Repair Disk" on my Time Machine partition (NOT the drive) and I got the error "Incorrect number of directory hard links" ...
0
votes
1answer
59 views
How to convert .dmg to Directory-folder
I just Create one Directory to .dmg file using Disk Utility. Can anyone Please Tel me how to convert .dmg file in to older Directory-folder.
0
votes
1answer
560 views
hdiutil convert/rsize resource temporarily unavailable
When trying to convert or resize a dmg image I get the error:
hdiutil: convert failed Resource Temporarily Unavailable error
or
hdiutil: resize: failed. Resource temporarily unavailable (35).
...
5
votes
1answer
625 views
What kind of encryption does Mac OS X Extended (Journaled, Encrptyed) use?
Since my primary hard disk is encrypted with FileVault2, I also wanted my backup drive to be encrypted. I plugged in my external drive, brought up Disk Utility, and went to erase/format the disk. I ...
0
votes
1answer
2k views
What are next steps when fsck reports “could not be repaired after 3 attempts”?
My Mac Book Pro 13.-" doesn´t get past the grey booting screen with the apple and the spinning wheel (The loading bar appears but when it´s done nothing happens)
I have 220 GB in one single ...
0
votes
1answer
341 views
Single User Mode can´t repair my HD [duplicate]
Possible Duplicate:
What are next steps when fsck reports “could not be repaired after 3 attempts”?
Hi Guys I hope someone can save me!!!
I´m so stupid that I don´t have a backup of my ...
0
votes
0answers
33 views
How to avoid diskutil from running on next boot?
OSX keeps trying to run diskutil to check my hard drive whenever I boot the system. Problem is it hangs up and reboots during the checking.
The system was running fine before rebooting. I suspect it ...
1
vote
2answers
144 views
Backing up HDD to restore it on another SSD
I want to switch out my current HDD for a SSD in my Mac. However I don't want to reinstall the OS and all my software.
How can I backup (image) the entire HDD to restore it later as image with Disk ...
0
votes
4answers
822 views
Forgot my password to a disk image (.sparseimage)
I'm in trouble right now.
I used Disk Utility to create a sparse image and I cannot remember the password, when I created the file I didn't select to remember in keychain.
Now, I try to enter the ...
0
votes
0answers
39 views
Does Mac has Something like SuperCache?
http://www.superspeed.com/desktop/supercache.php
It basically cache all read write. It also delay writes up to 5 seconds.
Since I am using it my computer becomes MUCH faster. It's as if I am using ...
0
votes
1answer
665 views
Restoring an SD card using a multi-partitioned DMG
I have a linux distribution that I installed on an SD card. After the lengthy installation was finished I created a DMG backup of all the partitions using the Mac's built in disk utility. The recovery ...
0
votes
1answer
121 views
How to image and deploy a Bootcamp setup?
We are rolling out iMac's and MacBook Pro's throughout the business and are setting them up with Boot Camp and an option to boot into Windows 7. Essentially the partition is just split down the ...
