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

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Why does time machine make a complete backup of external hdd

I have time machine configured to backup my external hdd: /dev/disk4 #: TYPE NAME SIZE IDENTIFIER 0: Apple_HFSX MyPassport_2TB ...
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1answer
23 views

How can i recreate my Partition Table

What happened: While i was tinkering around with my bootcamp partition something went terribly wrong. end of story is, i have no partitions left in my partition table The current situation: i can ...
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10 views

ntfs-3g not working on my fresh OS X install

I have got a new Macbook Pro with Mavericks on it. I wanted to be able to write to my external HD which is using an NTFS file system. So I installed the ntfs-3g driver as usual. But unlike before, ...
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19 views

Cons of the native NTFS write support (osX)

I'm currently using the NTFS native write support this way (look at LosephJG's reply): https://discussions.apple.com/thread/5544031?start=45&tstart=0 It works great with a 1tb HDD and a 32gb ...
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26 views

Can't mount (Core Storage) encrypted volume anymore

I use the following setup: SSD: System Internal HDD: Data (Documents, Music, etc.) Both disks are encrypted via the Core Storage utility. It seems I can't mount the "Data" disk anymore. I wanted ...
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1answer
18 views

Trouble with my partitions [closed]

I have some trouble with my partitions on my Macbook Pro. I created 2 partitions. One named "Yo" where I have installed the last Developer preview of Yosemite. Another one named "Save" where I put all ...
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1answer
24 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 ...
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3answers
82 views

How to eject my external drive when my Mac refuses because of Spotlight?

I have plugged an external disk to my Mac. Now, I want to eject it. But my Mac stubbornly refuses and says that an application may be using the disk. I have not launched any app neither opened any ...
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1answer
72 views

Files missing after doing disk repair

I have an NTFS external disk, And I followed a stupid tutorial, it told me to repair my disk then I can delete the 'un-deletable' files in the NTFS external disk. However, When I done the ...
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1answer
44 views

Going in for an apple repair, do I need to remove my second hard drive for the superdrive?

The right fan on my mac stopped working, I have scheduled an appointment at the mac store genius bar (its still in warranty). I have installed a second hard drive in place of the super drive, and ...
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1answer
38 views

iMac HDD fan running full speed. What is wrong?

My iMac (27" Mid-2010) and the HDD fan is spinning full speed with a measured HDD temperature of 50 °C. I have removed the dust and dirt from inside and it is pretty clean. Nevertheless even when at ...
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1answer
37 views

External Storage Options for MBP non-retina

My system specs: late 2011 13 non-retina thunderbolt (1?) optical drive usb 2 sdxc @ 2.5 gt/s firewire 800 128gb ssd I am wrestling with a few options since I don't have USB3.0: USB 3 drive ...
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2answers
40 views

Sudden proliferation of 'Too many open files in system' errors. Can't do backup

My computer is showing signs of impending hard drive disaster. Time Machine recently killed all my backups and has not cooperated since. I tried backing up with Super Duper, but it quit after about a ...
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22 views

Can one mount a FileVault 2 encrypted drive from Windows?

I encrypted an external drive with FileVault 2. Now it would be great if I could access it from a Windows PC. Is this outright impossible? I found no definitive answer either way.
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18 views

Restoring a backup HD on a Mac without restoring OS X Mavericks

I recently downloaded Mavericks and this made my Mac slow down a lot. So I took it to the technical service and they reinstalled 10.8.5. Now I want to restore my information on the Mac through Time ...
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1answer
16 views

Moving files from bad external harddrive [duplicate]

I use OSX mavericks. My external 1TB harddrive is partially unreadable. I want to salvage its content as much as possible. I have tried dd but it took almost a day, so I killed it, and it could not ...
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1answer
37 views

Why doesn't my MacBook recognize the original HD any longer?

I replaced the stock hd with a samsung ssd (840) about 18 months ago. It died last week. I tried putting the original HD back in and the computer won't recognize it. Even when I hold down the option ...
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1answer
37 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 ...
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13 views

Find mount points from network mounts in Disk Utility

I know lots of ways to find mount points for my mounted drives, both locally or on the network. This question is specifically about 'Disk Utility'. Disk Utility does a fine job of telling me info ...
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2answers
31 views

Time Machine and storage questions

In researching Time Machine usage issues, I have come across other questions that might change the way I have always arranged my drives. Back in the 'olden days' when internal drives were ...
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0answers
18 views

I need a background process which redirects a link based on whether or not an external hard drive is connected

Basically I have two iTunes libraries. One is my complete iTunes library which I store on my external hard drive. The other is a smaller version that I keep locally. I want to have a symbolic link ...
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4answers
113 views

Something's eating my disc space - Mac OS X [duplicate]

So something's swallowing about 800gb of disk space on my mac. I've ran Disk Inventory X and Omni Sweeper, and both show that my main OS drive only houses 30 GB worth of data. 10GB of that is Home ...
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74 views

Drive speeds … PCIe vs external thunderbolt SSD

I have a new 2014 MacBook Pro with 1TB internal PCIe SSD. Blackmagic Disk Speed Test is reporting read/write speeds of over 900MB/s. I am debating whether to swap this machine for a 512GB one (saving ...
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1answer
33 views

How can I put my image of a drive onto a new partition on a Mac? [closed]

My friend has a Mac which suffered some sort of hard drive failure. I'm not sure if it is a hardware failure, the filesystem is corrupted, or both. We tried 'repair' in Disk Utility and it said it ...
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1answer
390 views

MacBook Pro won't boot with new hard drive, but a different MacBook Pro will

So here are the details. My friend and I both have 13-inch Mid 2010 MacBook Pro's. Same processor and specs since they were purchased at the same time, but originally had 250 GB hard drives. His hard ...
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2answers
43 views

WD MyBook appears as read-only

My WD MyBook Essential with USB 2.0 appears with read-only permissions. I set the drive up on my old Vista machine, and when Vista began crashing, I switched to Ubuntu. I still have the Ubuntu ...
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2answers
30 views

Import data from old HDD (on a PC) to new MacBook

I'm planning to buy a new MacBook Pro for school next month, and I wanted to know if I can use Migration Assistant or any other tool to get all data from my old hard drive to the new one. The problem ...
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1answer
50 views

How do I get rid of errors for disconnected networked drives?

Every time I log into OSX 10.9.4 (and several slightly older versions since I've been updating) I get several pop-ups asking me to connect to a remote/networked drive that I've previously configured, ...
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1answer
126 views

Thunderbolt SSD or USB 3 SSD - Need an external SSD drive

I'm planing to get an SSD(500GB) probably Samsung EVO or Corsair(LS,LX,GT) & seagate thunderbolt adapter for my macbook pros' 2011 and 2013 Retina. ⌘ - I've already upgraded my 2011 MBP with ...
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2answers
87 views

My Toshiba hard drive doesn't work on Windows machines

At first I was struggling to get my Toshiba Hard drive to appear (so I could use it) on my MacBook Pro (as I wanted to put all my photos, iMovie videos etc on there) so I eventually found a way by ...
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9 views

External drive in constant use the moment a track from it is added to iTunes

Adding tracks to my manually managed itunes library takes ages. I've noticed that the drive goes into a "constantly-in-use" mode (from the blinking led and spinning noise) the moment I drag a track ...
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36 views

Why Can't I Make a Macally G-S350SUAB2 Boot Family's iMac?

I can't seem to be able to get the Macally G-S350SUAB2 enclosure that my dad loaned me for development use to boot a copy of OS X 10.9.4 Mavericks which I installed using my dad's early- or late-2011 ...
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2answers
176 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 ...
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1answer
103 views

Macbook Air intermittently can't find startup disk

About six months ago, my Macbook Air started having a strange issue where it would often not be able to find the startup disk, giving me the flashing question mark. Initially, I was convinced the hard ...
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1answer
27 views

Time Machine Backup to drive shared on BTHomeHub3?

I have a Freeagent GoFlex Drive hooked up to my BTHomeHub3 router. My Desktop PC is backing up to it fine but I'm having troubles with Time Machine. My Mac can mount the drive perfectly fine and use ...
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62 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 ...
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1answer
61 views

Time Machine Backup accidentally unplugged, can't repair

I accidentally removed my Time Machine backup without ejecting. It didn't show up in Finder after I plugged it back in and Disk Utility cannot repair it. Disk Utility recommends reformatting the disk, ...
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51 views

Loading Windows 7 on external drive for gaming

I'm attempting to load Windows 7 onto an external hard drive in order to boot from the hard drive whenever I play games. I originally split my internal drive to make a Mac OS side and a Windows side, ...
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1answer
44 views

Internal hard disk requirements will not allow me to update to Maverick

I tried to update to Mavericks, downloaded the update through App Store but the installation stalled with an error message saying my internal hdd didn't meet requirements. I'm using an iMac mid 2007 ...
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1answer
23 views

Where should i look to improve slow I/O performance measured with dd?

I have been measuring my primary disk I/O with the following command : dd if=/dev/zero bs=2048k of=/Volumes/Toshiba/tstfile count=1024 2>&1 | grep > sec | awk '{print $1 / 1024 / 1024 / $5, ...
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1answer
30 views

Macbook air booting from external hardrive stuck on startup wifi screen

I'm moving over my old macbook computer to a 2010 macbook air, I replaced the hard drive in the macbook air prior to this so there is nothing on the hard drive that is currently in my macbook air. I ...
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1answer
103 views

Can't figure out what is taking up so much space [duplicate]

When I cd /; du sudo du -h -d1 I get a total of about 160 GB (this is on a 256 GB drive). However, when I look at Disk Utility or About this Mac -> More Info -> Storage it looks like I'm using a solid ...
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1answer
60 views

Erased hard drive, trying to Reinstall Lion OS X… HOW?

My mac wasn't loading past the boot screen (white, apple logo, spinning gear). So I CMND + R and went to disk utilities and ran Disk Repair. It could not repair. I tried everything. Even a an fsck ...
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1answer
189 views

Error: “The operation can’t be completed because one or more required items can’t be found. (Error code -43)”

I accidentally pulled an NTFS hard drive out of my Mac OSX Mavericks machine several times and realized that I accidentally created multiple entries of many different names in my /Volumes/ folder. Now ...
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2answers
77 views

My Mac died and I can't access iPhoto on my external hard drive

My Mac died. When I connect my external hard drive to my laptop I can't access my iPhoto – it says iPhoto won't open because it's a machine backup. Any ideas?
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23 views

How to repair a MacBook Pro 2007 hard drive bus?

Is there a repair I can do to the hard drive bus on a MacBook Pro 2007? I've changed the SATA cable but it still won't see the drive, which I know is good as it boots externally! Disk Utility doesn't ...
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2answers
137 views

external hard drive found only by disk utility, cannot eject or mount

I'm using a Seagate GoFlex that seems to have encountered some trouble. The drive does not appear on the desktop or Finder. I've double checked that Finder > Preferences allows for it to appear in ...
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28 views

External USB 3.0 Seagate HDD No Longer Mounting

Out of nowhere my 1 TB Seagate FA GoFlex won't mount my Mac formatted partition (the only partition). I have run repair disk on the drive and on the partition and find no errors. I still get an ...
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30 views

“Use the purchases page to try again” error while installing mac on a raw harddrive

I want to install OSX Mavericks on a seagate internal raw hard drive. I downloaded "RecoveryDiskAssistant" and installed it on a USB drive. Before installing I made a partition for new harddisk, and I ...
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1answer
40 views

How To Change Default Installation location on Macbook?

I have an external drive, and to install a certain app I have to put it on the external drive due to lack of room on my hard drive. The application tells me i can change the default installation path ...