A hard drive is a device for permanent or long-term storage in computers.

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Recover Deleted Files on Mac OSX [External NTFS]

I have accidentally deleted some files on my Mac OS X Mavericks. Actually, I was trying to burn an .img file to my flash drive which was located at /dev/disk1 (at the same time I had connected a NTFS ...
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1answer
143 views

Rebuilding Fusion Drive

I have a Fusion Drive (10.9.1) with a 256GB SSD and a 1TB HDD. The 1TB HDD has started making noises and has reported SMART errors. It is apparent that it will fail any day. I have Time Machine ...
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1answer
5k views

macbook doesn't recognize internal HDD, only when connected via USB

yesterday something weird happened. After my 13' macbook pro ( early 2011 ) was running all night while playing music, in the morning I just closed it and went home from my friends house. When I got ...
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17 views

Debugging Hard Drive Issues

My SSD system disk is apparently unmounting about an hour after booting, causing "drive is not configured" errors when trying to read any files, and the Spinning Beach Ball of Death. Disk Utility and ...
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1answer
43 views

On external drives

When I shop for third-party external hard drives I'm struck by how much more expensive the drives that are advertised "for Mac" are, when compared to those without such qualification. My question is: ...
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102 views

SSD in mid 2011 mac mini

I was thinking about upgrading my mac mini mid 2011 with an ssd, following i-fixit guide. in the mid 2011 do I have enough space for an SSD + HDD configuration using the mounting kit provided by ...
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4answers
20k views

How to restore Mac OS X on a new hard-drive?

I am going to upgrade my MacBook Pro hard-drive, but before doing so I'm trying to figure out how to restore OS X on it. My DVD drive doesn't work so I cannot re-install from the DVD. I have a recent ...
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1answer
85 views

MacBook currently has quiet SSD, will adding extra HDD cause constant noise?

My MacBook Pro has an SSD drive that runs silent, which is really great. I am considering removing the SuperDrive, moving the SSD to the optical bay, and adding a 7200-RPM regular HDD in the main ...
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233 views

My external hard drive is full, now I can't mount (or see) it

First off, I'm using a 3TB western digital external hard drive with a mac-mini running Mavericks osx. I was backing up a lot of data to my external hard drive, and then I went away for a few hours. ...
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2answers
475 views

Time Machine - multiple backup destinations for a “separate weekly”

I have a client that I'm setting up Time Machine to backup his Macbook Pro. He's running OSX Mountain Lion, but soon to upgrade to Mavericks. It has been backing up using Time Machine and an ...
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1answer
4k views

How to fix “Error: -5341: MediaKit reports partition (map) too small” after upgrading to a larger hard disk?

I recently bought a new SSD drive, as my stored data amounts outgrew the old one a little bit. After copying all data using dd if=/dev/disk0 of=/dev/disk1, I want to enlarge my system partition, but ...
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1answer
37 views

Removing OSX without deleting media files

I have two drives on my Mac, Macintosh HDD (Mountain Lion) and Macintosh SSD (Mavericks). I recently installed Mavericks on Macintosh SSD. I still have Mountain Lion installed on Macintosh HDD along ...
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1answer
3k views

Can't restore to backups after removing disk in Time Machine

I've been using a WD 2TB HD for the last two months to handle my Time Machine backups for my Macbook Air. Yesterday, I wanted to set it up to handle backups through the network. In the Time Machine ...
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0answers
36 views

Can I restore my Time Machine copy from a restored external disk partition?

My external hard drive didn't recognize one of the partitions so I had to bring it to the support guys in order to restore the files if possible. They gave me back the hard disk with some of those ...
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1answer
2k views

Partition corruption, still can see files in single user mode, would like to retrieve files

The problem started after forcing the mac to shutdown. Since then, when trying to boot, it stays stuck at the grey apple with spinning wheel. I've tried a few generic things to be able to access my ...
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2answers
44 views

Deleting files requires password and doesn't increase free space [duplicate]

I've been using my Mac for around 2 years, and 3 years overall with uni. I keep deleting files. When I do this, it comes up asking me to confirm my password that would normally come up after logging ...
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2answers
168 views

Discrepancy between availble space and capacity on external HD

Disk Utility report (Consistent with Finder) Mount Point : /Volumes/partition2 Format : Mac OS Extended (Journaled) Owners Enabled : No ** Number of Folders : 10 Capacity : 1.9 TB ...
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1answer
152 views

escape the target mode

I tried to install Windows on my Mac Pro but it failed because my disk needed to be repaired; it was suggested that I hold cmd + r during a restart. I tried that but when it restarted I was showed a ...
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1answer
86 views

Will heavy duty testing and development cause my MB Air's SSD to crash soon? How to prevent it?

I just recently bought a MacBook Air 2013 (i7 with 8GB RAM and 128GB SSD drive). I am a programmer, and my daily jobs would involve a lot of testing on that machine, including setting up databases, ...
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2answers
180 views

TimeMachine inconsistant with backed up data. How do I access earlier data from the backup - they ARE there, Time Machine just doesn't show them

This is a bit difficult,. I will try to explain in detail, please excuse if it get's a little long. Outlook 2011 crashed, and I was advised to reinstall. That was a mistake, all my local folders in ...
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161 views

Reduce impact of Disk IO on performance

I've never found that OS X has been exemplary at handling responsiveness under Disk IO, but Mavericks has made it so bad that I've been barely able to use my machine whenever a backup kicks in. ...
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2answers
561 views

Time Machine is Frozen

I am running Mac 10.8.5 on a 2008 MacBook Pro, I have my time machine save to an external hard drive. Recently I have been unable to back up my machine because it gets hung up on 'Preparing Back Up' I ...
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1answer
472 views

Resizing without DESTROYING the second partition of a disk

I have a disk that was partitioned in two. The first partition was 1.8TB and is called TIME MACHINE. The second one was 1.2 TB and I call it TOSHIBA 1.2TB. I would like to reduce the first partition ...
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58 views

how do I transfer my iOS developer profile to another computer because of hardware failure?

Is it possible to transfer my iOS developer profile to another computer if my hardware failed but the hard disk is ok? Thanks!
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1answer
179 views

Should I use raid 0 with my optibay drive?

I installed a 120gb SSD today. My optibay currently holds my MBP stock drive (5400 RPM HD 320GB). Since they have different memory sizes, should I put them in raid 0? The only reason why I want raid 0 ...
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1answer
4k views

Macintosh HD not showing up on disc utility

I am trying to do a clean install on my Macbook Pro 13" from 2011. Here is what I did so far: 1) Booted up on my USB Stick with Mountain Lion Installer mounted on it 2) Opened up Disc Utility and ...
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1answer
139 views

Could two WD Passport Ultra 1TB drives be used in the OWC Mercury Elite Pro Dual mini enclosure as RAID 1?

I'm thinking of buying one more WD Passport Ultra 1TB (I have one already) so that in the near future I could disassemble the two Passports and install the 1TB drives into the OWC Mercury Elite Pro ...
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0answers
275 views

Disable USB Write Caching by default

Is it possible to change OS X's USB filesystem mount behaviour to use the noasync flag to disable write caching? The aim here is to allow USB devices to be safely removed without eject or hdiutil ...
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1answer
468 views

Two systems and SSD lifetime increase

I bought a Late 2013 iMac with new generation PCIe Samsung XP941 M.2 based SSD 256Gb. Really powerful SSD. But of course, I was scared about SSD rewrite cycles and wanted to check it because I want to ...
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84 views

Splitting user and system across multiple volumes

I'm migrating from a large HDD (1.25TB DIY Fusion Drive) to a pair of SSDs (256GB + 1TB). I want the 256GB one to mount as /, and the 1TB one to mount as /Users. In previous versions of OSX, you could ...
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2answers
400 views

Unable to format pendrive, diskutil error

When I insert my USB Pendrive in my iMac i see this message: I tried to format it both with DiskUtility and with diskutil command in terminal but I get this error: iMac:~ User$ diskutil eraseVolume ...
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2answers
525 views

How can I copy data from an external HDD that is about to fail?

I have an external HDD that is about to fail. I want to copy as much as I can to a new external HDD before it completely dies. I've been able to start copying files for a few minutes before the drive ...
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160 views

How to mount a VMware startup disk as read-only?

I am using VMware Fusion 5. I have several disk images (*.vmdk mostly) that I would like to mount as read-only. They are sensitive disk images that should not be connected to the internet, nor should ...
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1answer
8k views

Can I boot Mac from an external hard drive (internal hard drive+hard drive closure)

Model: Macbook Pro 2010 mid OS: OS X 10.9 Hard Drive: WD5000BPKT 500GB For some reason I need to change my perfectly working internal bootable drive to external bootable drive. I took out my ...
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1answer
414 views

Using an External HDD as a bootable Windows Disk

I want to use my external HDD as a bootable USB drive so I can install Windows 7 via bootcamp but I am having trouble getting bootcamp to just use one partition of the drive. When I get to the stage ...
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3answers
5k views

Why doesn't my Mac Pro see my new 4TB SATA drive?

I purchased a Seagate ST4000DX001 4TB SATA Hybrid Drive (SSHD) and installed it into my Mac Pro (six core 3.33 GHZ MacPro5,1) in one of the internal SATA drive bays. However, the system didn't see it ...
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1answer
33 views

Boot to SATA drive in other computer?

I have a MacBook Pro that does not seem to be booting. If I were to take the hard drive and put it in another computer an select that in the BIOS, would it boot (if the hardware between the two ...
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95 views

How to sync 2 hard drives without being connected to them at the same time?

Set-up: 1 external hard drive at work 1 external hard drive at home Macbook that travels between work and home Hard drive contains iTunes Music Library that I like to have synced between home and ...
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2answers
226 views

How to comprehensively benchmark SSDs on OS X?

I want to benchmark my SSD under different circumstances. Connected through USB3, Thunderbolt and internally (S-ATA). Unfortunately I can only find benchmarks which concentrate on measuring read and ...
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305 views

Cannot completely eject my external hard drive on Mac OS X 10.9

I am using Mac OS X Mavericks (10.9). And wanted to attach my external hard drive to VirtualBox ubuntu virtual machine. To do this, I should completely unmount and eject all external disk partitions ...
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1answer
462 views

Get the UUID from a mostly dead hard drive?

I have a mostly dead internal hard drive in my '07 iMac. I've switched the machine over to an external FW800 drive but every now and then, on reboot, the mostly dead internal drive will mount on boot ...
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1answer
2k views

backing up an OSX image to an NTFS drive?

I would like to make an image of my entire OSX install, so that I may restore to it if necessary. I'd LOVE to have incremental backups, so bonus points if anyone can figure out how I can do this! ...
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931 views

How do I get my iPad to show up under DEVICES in iTunes 11.1.3?

I've been having problems seeing my iPad (and my iPhone, haven't tried my iPod) under the DEVICES section on the left (where the STORE, GENIUS, PLAYLISTS, LIBRARY are located) in iTunes 11.1.3. It ...
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1answer
113 views

USB drives connected to hub disppearing

I've got four external USB drives connected to a 7 port powered dlink hub. All of them are externally powered, save for one of them. The hub is connected to a late 2012 Mac Mini. If I connect the ...
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1answer
221 views

Backup external hard drive to the cloud via Time Capsule

I'd like to move my photo directory to an external hard drive, but still have that hard drive backed up both locally and to the cloud. This wouldn't be a problem if I was using a desktop machine of ...
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1answer
2k views

Fresh Install OSX on new hard drive without the .dmg (iso) file

Today my MBP's HDD left me. My issue now is to install OSX (Mavericks) I have purchased to the new HDD. I don't have neither the DVD nor the iso file nor another Mac Device (but I could ask friends) ...
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238 views

Can't encrypt external hard drive

I'm trying to encrypt an external drive of mine using Apple's built in drive encryption tool into OS X through Finder. The drive is formatted as Mac OS Extended(Journaled) and I'm plugging the drive ...
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1answer
2k views

Disk Utility not opening in Mavericks

I had used a Seagate external HD as Time Machine back up for a year or so. Since I got a gift of a better EHD now I wanted to erase all data in the old EHD. I thought a simple Format through Disk ...
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1answer
1k views

Cant copy because file is too large for format

I too was getting the error that I could not copy some files as there were over 4 GB. I was attempting to transfer .avi files.I reformatted the the thumb drive to Mac OS Extended(journaled) however ...
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1answer
414 views

Migration Tool VS CCC

I have a 2010 Mac Pro. Still running Snow Leo, as there are still quite a few programs that are PPC and I'm not prepared to update all of them. My current boot drive is 1.5TB and I'd like to swap it ...