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

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999 views

Can I Mount a Hard Drive in Mac Pro Tower as Read Only?

I'm trying to recover data from a failed external Fantom RAID Drive enclosure by plugging the drives into a Mac Pro tower, but I'm concerned that OS X might write to the disks and jeopardize the RAID ...
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1answer
366 views

Yosemite Startup Manager After Downgrading to Mavericks

I downgraded from Yosemite Public Beta to Mavericks by: Created bootable Mavericks USB Booted Mac to the Mavericks USB Went into Disk Utility > Selected HD and Erased HD Restored to Mavericks Time ...
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1answer
244 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 ...
3
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1answer
336 views

What do I need to know to buy an SSD drive for a 2008 MacBook 5,1?

I'd like to buy an SSD drive for my MacBook aluminium (MacBook5,1 from 2008). What do I need to know to buy one which will work fine with it? I.e. years ago any IDE drive would fit any IDE slot, but ...
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1answer
95 views

Fan speed increased after upgrading to SSD

I just replaced my Macbook Pro's Mid 2012 HDD with a Samsung 850 EVO SSD. The performance is great and I am very happy, but I noticed that the fan seems to run faster. It is not a drastic change, but ...
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1answer
127 views

How to securely erase an arbitrary SATA drive, utilizing the drive firmware to do so?

The problem with using Disk Utility or dd if=/dev/zero to erase a disk is that: It applies unnecessary wear to SSD drives. It sends the drive's capacity worth of zeroes over the drive's interface. ...
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1answer
87 views

Would and SSD or RAM be the better upgrade in this situation?

I feel I'm making this post more for validation than anything, but I want to get some of your opinions as well. My friend contacted me the other day asking how she could make her MacBook Pro run a ...
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1answer
2k views

Disk Utility won't let me create or resize partitions

My MacBook Pro 13" Late 2011 is running Yosemite. I am trying to install a Linux distribution on a partition of my hard drive. I used Disk Utility to resize the main partition on my hard drive and it ...
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1answer
32 views

Can only one partition of old hard drive been transferred to new MacBook?

I just took the hard drive out of my MacBook pro that broke down a few days ago and put it into an enclosure. My questions; If I buy a new MacBook pro, is it possible to ONLY transfer the Macintosh ...
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1answer
771 views

Trouble Mounting NTFS drive on OS X 10.9

Mounting NTFS drives works in OS X natively. Mounting drives with fstab is common and can be seen here and here and here. I was able to successfully do it with the following addition to my fstab. ...
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1answer
591 views

Customize external HDD spindown timeout?

It's possible to enable spinning down of mechanical hard drives using the "Put hard disks to sleep when possible" option in Energy Saver, and it's possible to customize the timeout period with sudo ...
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1answer
2k views

Macbook boots up to grey 'prohibited' symbol

I'm having an issue with my '09 13" Macbook Pro. When I boot it up, it seems to be booting normally until about thirty seconds in, when the Apple symbol is replaced with a kind of 'no-smoking' symbol, ...
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1answer
222 views

Hard Drive Formatting Error in Terminal

I have tried formatting and partitioning this brand new hard drive and it has failed on multiple computers using multiple methods. It is a LaCie Porsche Design 4TB hard drive. Here is the commands I ...
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1answer
108 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, ...
2
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1answer
323 views

USB Drive with Mountain Lion Boot-Up Problem

I've tried a few ways to restore the Mountain Lion InstallESD.dmg to a USB hard drive to reinstall on my Mac Mini. I've used Disk Utility Restore, Lion Disk Maker and Carbon Copy Cloner. Each method ...
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1answer
139 views

How to know if a SSD will work on OS X?

I have a 2010 Macbook pro with a hard drive, and I'd like to replace it with a SSD. Information I've read about OS X and SSD is generally quite old, and not reassuring (not all SSD are supported, and ...
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1answer
149 views

Editing Partition

When trying to edit a partition on my hard drive, Disk Utility says: Couldn't modify partition map because the file system verification failed. So I booted into single-user mode and typed in: ...
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1answer
897 views

CoreStorageFamily::unlockVEKs() failed to unwrap the vek, status = e00002bc

I have a filevault2 disk with two partition. One is the boot partition, the other contains data, both are encrypted. Today, after installing the latest 10.8 update (10.8.4 I guess), the computer ...
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1answer
404 views

New harddrive on a macbook pro 13 inch, dvd drive doesn't work, what do?

What I don't have: An USB dvd drive What I have: Another working, up to date, Macbook (with snow leopard). purchased Mountain Lion on the app store A desktop PC A 4GB usb stick. A USB harddrive ...
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1answer
26 views

Fixing a broken hard drive's partition map

I have a drive that is corrupted. Disk utility could not repair the disk, so I attempted to follow some tutorials and repair the partitions using pdisk and testdisk, but things have gone south. Now ...
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1answer
35 views

Error with Android usb. Working Macintosh HD not repairable. Alternatives to backup?

I have to say first, I have almost zero experience is the use of Terminal, an usually I'm very careful with what command I use. I have tryed to create a bootable Android x86 usb and it was a success, ...
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1answer
65 views

Deleting a hard drive protected by password with Mac OS X Yosemite

I recently changed my hard drive for a SSD device. The removed storage device can be used as an external drive, via USB. I want to delete everything on this HD, but it is asking me for a password when ...
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1answer
39 views

What is a locked hard drive, and how does it relate to encryption?

When I mount a Mac hard drive on another computer, I often get prompted to "unlock" the drive. What does this mean? Is a locked hard drive different from an encrypted one, or is "unlocking" just ...
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1answer
14 views

Can a disk's catalog directory be recovered after a Quick Erase?

A disk's data directory seems to me to be the most vulnerable Achilles's Heel to protecting data. With the 2 clicks of an accidental quick erase and format via Disk Utility, the roadmap to ...
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1answer
258 views

How do I encrypt an external drive with FileVault 2 in OSX Yosemite

Ok, so according to https://www.apple.com/osx/what-is/security/ I should be able to encrypt ANY external drive..."with ease" using FileVault 2. I have a brand new (empty) 2TB Fantom Drive model: ...
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1answer
51 views

My internal “Machintosh HD” is not detected by my MacBook Air

I was trying to clean install OS X (from http://www.ibtimes.co.uk/how-clean-install-os-x-yosemite-via-bootable-usb-flash-drive-1470625). I made the bootable disk, booted from it, and tried ...
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99 views

Diagnose if corrupted volume is due to hardware problem

This morning when turning on a Mac laptop, it suddenly announced that an external backup disk (which was connected overnight) "can't be repaired". Disk Utility also says: Disk Utility can’t ...
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187 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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96 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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1k 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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278 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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564 views

Unable to create new partition with Disk Utility on external drive

I'm trying to create space on an external drive to clone my mac as a bootable volume with CCC. With Disk Utility I cannot modify it for some reason (probably because the same disk is used with Time ...
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55 views

Used iMac with lion installed, no discs. Do I upgrade to Mountain Lion? Rename HD?

Just bought a used iMac (mid 2011) with Lion installed on it. I do not have the install disc so I am wondering if I should upgrade to mountain lion or continue as is and hope I never need the system ...
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711 views

Is there a “windirstat”/“Disk Inventory X” type iOS app? (ie app for visualizing hard drive usage on iOS)

This is a pretty simple question. Assuming you know what WinDirStat &/or Disc Inventory X do, which is visualize the usage of your hard drive on a file-by-file basis, sized in proportion to the ...
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403 views

Macbook Air hard drive crashed, download Lion without paying again?

2 days ago my girlfriend's MacBook Air crashed (mid 2012, running OS 10.8), only showing the infamous "folder" icon. Usual stuff did not help, reboot pressing alt, cd, etc. We went to an Apple Store ...
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192 views

copied files from one drive to another showing incomplete progress bar

Copied files from one drive to another showing incomplete progress bar in mac. When recopying them it seems as they were complete.
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133 views

What is the limiting factor in /dev/zero speed?

I have installed 4 brand-new SATA hard drives in a mac pro. My OS is running on a fifth drive (SSD). I run this command pv /dev/zero -tpreb | sudo dd of=/dev/rdisk1 bs=512k for many hours to ...
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194 views

Is there a way to boot on iMac from usb using a different OS and access osx files to back them up

I am having issues starting up my iMac. I would like to know if i create a bootable usb with Ubuntu or any other OS, would i be able to boot with it and access the OSX drive? I able to do this in ...
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1k views

Dual partition a large drive for use by Mac and Windows

I have a 3TB USB3 drive that I want to use between my Mac and Windows laptops. A 1.5TB partition will be used for Time Machine and another 1.5TB partition will be used by Windows for file storage. ...
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503 views

How to select which disks are allowed to sleep?

There is an option "Put the hard disk(s) to sleep when possible" in Mac OS X's preferences: Is it possible to configure which disks Mac OS X can put into a sleepy state? For example, I want to ...
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184 views

Should the Sudden Motion Sensor be disabled with a hybrid hard drive?

I've read that it's ok to leave the SMS on with non-stock hard drives, but I've also seen that it can crash an SSD. I have a Momentus XT with 4GB of solid state memory and 500GB of spinning platters. ...
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2k views

Install Linux Mint on a dual-drive MacBook Pro with Windows and OS X

I have a Macbook Pro 13 mid-2012. It was shipped with a 500GB HDD, to which I added an additional SSD drive (128GB). After installing my SSD in a caddy, thus replacing the optical drive, I installed a ...
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462 views

External Harddrive is showing in System Information but not Disk Utility

My harddrive crashed last night and since then I have not been able to access it on my Macbook Pro. I've restarted both my computer and hardrive multiple times and I've experienced the same result. It ...
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103 views

ZEVO: anyone have access to a current road map?

I've recently installed ZEVO on my Mac Pro and I'm looking forward to what ZFS will provide with data integrity, pool management and drive handling. Wondering if there is a current road map?
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56 views

Is there a way to monitor the stack of execution in order to find the longest hangs?

Related to this unsolved mystery: apple.stackexchange.com/questions/62416/why-do-i-get-serious-execution-lag-on-clicks-application-switching-and-general I'm wondering if there's a way to see which ...
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244 views

Can hard drives have their own sleep settings?

Is there a tool that will allow me to set the sleep settings on a per-drive basis? I've recently done the optibay mod on my MBP so I have an HD+SSD setup and I'd like to be able to make the magnetic ...
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747 views

how do I create an ISO/CDR file from a hard disk?

Presently I am attempting to back up my whole computer's primary hard drive to an ISO file. When I attempt to do this using Disk Utility, I perform the following steps: Open disk utility and choose ...
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452 views

ISO 9660 on Lion. “No Mountable Filesystems”

I have a collection iso images that all mount on an imac running snow leopard but not on my 2011 MBP with Lion. They are formatted iso 9660, but I don't know at what level. When I mount them with ...
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326 views

Hard drive space disappearing after mounting external drive

I have recently purchased a WD Elements SE 1Tb external drive. I have set it up with dual partitions: FAT32 (primary) and HFS+ (secondary). I also have a Macbook Pro 13 running Snow Leopard 10.6.6. I ...
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iPhone 5s silver iOS 7.1.2

I bought 5s silver since 2014.That's my Fav & it's very useful for me...but now I don't know exactly that my phone is power off when using it & for 1min,it's power on automatically.Then I saw ...