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

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232 views

Mac Mini 2013 wakes immediately after sleep when USB drive plugged in

I have a 2013 mac mini running osx 10.9.3. I used to be able to send the machine to sleep by going to the apple in the menubar and choosing sleep. After a recent update, when I do this the displays ...
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435 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 ...
3
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952 views

Can I enable AHCI mode of the SATA controller when booting to Windows on a MacBook with Nvidia chipset?

Is there a way to enable AHCI mode under Windows on a Macbook5,2 (white) on N-Force 730i chipset? If you want to just say 'no', please put it in the comments instead. Thanks. Advanced Host Controller ...
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19 views

Lost partition on WD 1.5 tb external drive

I need help. My 1.5 tb WD drive failed out of nowhere and now it shows up saying "The disk you inserted was not readable by this computer" This is how it shows up on diskutility This is what "sudo ...
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0answers
44 views

How to use Time Machine backup when hard drive is broken?

I have a MacBook Pro which I use Time Machine to back up usually weekly. Its hard drive broke recently. I got an exactly same hard drive and installed it into the laptop. How do I restore the ...
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114 views

Can't erase unmountable external HD

My external HD isn't mounted and can't be repaired by Disk Utility. However, I'm also unable erase the disk: $ diskutil list disk2 /dev/disk2 #: TYPE NAME ...
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0answers
67 views

Can I keep my Boot Camp partition when moving to a larger hard drive?

I just bought a 512 GB hard drive to replace my 250 GB hard drive, which currently has a Boot Camp partition (pretty vanilla, just running a standard Windows 7 install). I was planning to just clone ...
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694 views

Disk Utility: Invalid Disk Label @ cksum mismatch

I have a WD external hard drive. I've been running the routine tests to make sure all my stuff is safe lately. In Disk Utility, I did Verify Disk on both the disk itself as well as the main partition, ...
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47 views

How to use Time Machine to back up a partitioned drive?

My MBP was originally a single SSD partition, which I backed up with Time Machine to an external USB HD. I created a new partition on the SSD for Yosemite, and am running the MBP on 10.10, although ...
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88 views

Is it possible to rename a logical volume group that's currently in use with bootable partitions that contain data?

I need to know if it's possible to accomplish this: http://apple.stackexchange.com/a/90821 but without having to wipe the drive. I added a new partition and installed another instance of OS X but ...
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211 views

Slow disk access time in fresh OS X installation

My apple-shipped disk on my frankenstein early 2011 MacBook Pro (with upgraded motherboard to 512MB GPU Memory) just gone bad and I have to replace it. I had replaced DVD drive with SSD with the old ...
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268 views

Why is cloning my MacBook Pro slower since I upgraded it to SSD?

Last week I replaced the 512GB 7200rpm HDD in my Mid-2010 MacBook Pro with a 512GB SSD (Crucial 550). The performance improvement in most areas is welcome, but one thing is now considerably slower: my ...
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334 views

Configuring SSD over-provisioning on Mac OSX

I'm in early investigation stages of adding a SSD drive to my MacPro. Fragmentation problems can lead to serious performance problems on an SSD. There are a couple answers to this problem: TRIM - ...
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0answers
26 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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0answers
66 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?
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145 views

Broken FileVault Drive

I'm coming to you having a few issues with my old hard drive. Basically, my MacBook crashed a few days ago. It seems like my disk has some bad sectors and has started a kind of autodestruction ...
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598 views

Time Machine and case-sensitive HFS

Time Machine defaults to formatting a new drive to Journaled HFS+ (case-sensitive), if you set up the drive from within Time Machine itself. However, my main drive (the one Time Machine will be ...
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495 views

Something appears to be corrupting my kernel.log file, causing 5-10 second lock ups. What gives?

The Problem: Lately, every 10 minutes or so, my MacbookPro8,2 has been freezing up for 5-10 seconds. During those 5-10 seconds, video/audio content stops playing, all applications lock up, and hitting ...
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599 views

How do I write-protect a partition of a USB drive on OSX that can work cross-platform?

I bought a bunch of USB sticks that I want to give as a gift to friends and clients, with some files on them. I'd like to have the files non-erasable (though I realise they can format the drive, I ...
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403 views

How to prevent “Incorrect block count for file” file system errors from occurring?

On our 10.7 Lion installation, 3 out of 9 drives are repeatedly suffering from Incorrect block count for file errors when running a diskutil repairVolume command. The drives are having ...
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238 views

OS X breaks if I apply HFS compression to the whole volume. What do I need to exclude?

OS X breaks if I apply HFS compression to the whole volume. (It won't boot.) What do I need to exclude? I've been able to compress large parts of it, but then I had to restore after I compressed ...
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711 views

Howto resize copied HFS+ partition above original size (320GB)?

I am running OS X Lion and my laptop has a 320GB drive. I bought a larger drive (750GB) and cloned the entire device from the old drive to the new using GNU ddrescue. After cloning everything looks ...
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46 views

disk copy software, imperfect disk

I didn't find this question, but if it is here let me know. I have a problem disk. I want to copy as much as possible from it before I scrap it. But there are many thousands of files, so manually ...
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21 views

How can i delete a partition in Terminal when I can't simply combine because 'The given partitions are not on the same whole disk'?

Before I partitioned my HD, the only one I had was "Macintosh HD". The partition created one called "Macintosh HD2" I used terminal to erase "Macintosh HD2" somehow, but it returned as "Untitled." ...
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63 views

840 EVO performance restoration

I got a Samsung 840 EVO mounted in a Mini late 2012. Now, this is the SSD affected by the notorious performance degradation problem. Searching samsung site, I was able to find an upgraded firmware ...
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24 views

Get Automator to remount a partition for an attached hdd

I've got a setup where we backup our server every day to an external thunderbolt drive, and we alternate between two different drives. I've got an Automator script that ejects the drive every week ...
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105 views

Time Machine backup external disk not mounting anymore

I just installed Security Update 2015-002 (Version 1.0) on my MacBook. The latter has a 1.0TB internal hard drive, backed up onto a 2.0TB external USB2.0 3.5 inches hard drive. However, after ...
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29 views

Is enabling rw in /etc/fstab for an NTFS volume risky?

I've followed this tutorial: http://computers.tutsplus.com/tutorials/quick-tip-how-to-write-to-ntfs-drives-in-os-x-mavericks--cms-21434 I'm not familiar with Mac OS X's NTFS support, having used ...
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70 views

Is there a way to manually repair a CoreStorage volume?

I was playing around with CoreStorage on a test disk and used the undocumented commands cs addDisk and cs removeDisk. The addDisk command worked just fine and was able to expand a logical volume ...
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69 views

Limit hard drive i/o usage by one process (Dropbox)

I'm using only 5% of 1TB given by Dropbox and it regularly chokes my Mac Mini's HDD by "Downloading file list" too often. I think it's just a poor performance (it started since the last Dropbox ...
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26 views

How can I set up the internal HDD on my iMac to be able to connect to it from my laptop at college?

To better explain my question and what I am trying to do... my iMac is in my room in my parents house, and I want to be able to connect to my iMac's hard drive from about 300 miles away at college on ...
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490 views

Unable to partition hard drive with Yosemite (Disk Utility hangs)

I have a 2007 model Macbook Pro running Yosemite 10.10.1. My father recently upgraded my hard drive for me from the stock 320GB hdd to a hybrid 500GB hdd. He's not really a Mac user and said there ...
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43 views

WD Drive Cannot be Repaired but program still running

I have an external hard drive that I use to run my iTunes, iPhoto library and store various other documents. Recently, it stopped connecting to my MacBook Pro. I can only see my WD Ultra external ...
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60 views

I cannot open a Partition of a Harddrive when Shared

I've partitioned 0.75TB of external harddrive space for photo backups, which is shared on the network with a PC. However when shared I am unable to open the folder in Finder, as it will hang for 2 ...
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89 views

SSD is not recognised with the internal SATA cable (13" 2010 MBP)

It's pretty weird, seeing that HDD's are recognisable, and that SSD works when in an enclosure (Crucial M500). I've read somewhere that it could be an issue with the cable, but I bought a replacement ...
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43 views

Macbook Pro 13" HDD cables going bad

I have a user at my institution who has had 4 HDD cables go bad since May, 3 times in her laptop and once in a loaner we provided. Both are the same model, Macbook Pro 13" unibody. I'm starting to ...
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81 views

Finder Problem - USB drive opening in separate window for every folder

Whenever I connect my USB drive or insert a disc and view the contents every folder is opened in a separate window, how do I prevent this? 'Open folders in tabs instead of new windows' in the Finder ...
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176 views

Transferring iPhoto to iCloud drive

I have been running out of hard drive space on my older MacBook Air. I decided to free up the 91gb of space that is my iPhoto. (I believe) I moved iPhoto in relatively easy fashion. I drug it from ...
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97 views

Having trouble mounting a 12TB Raid on Ubuntu Server

I am running a Ubuntu server on my off of my 2008 MacPro, it runs great and works really well except I am not able to run any raid setups directly on it. I have a large library that needs to be ...
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169 views

Does iCloud keychain stores FileVault passwords?

My MacBook Air drowned today and it was connected to an external hard drive encrypted with FileVault. I can't remember password for it. Will new Mac sync that password from iCloud or is the encrypted ...
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137 views

Yosemite: iCloud Drive offline

I'm wondering if it is possible to use iCloud Drive as a 'mounted drive'. As of now, I have a photo's collection of around 50GB. I'm keeping the files on an external HDD as it hogs my Macbooks' SSD. ...
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62 views

Upgrade Freenas hard drive

I have been using Freenas with a 320 gb hard drive and would like to upgrade to 4tb. How can I upgrade my Hard Drive? I only have one hard drive. I want to move everything from the 320 gb drive to ...
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69 views

SSD Disk Utility & Install Failure

I've been running a SanDisk 256GB SSD for about a year. A week ago my system locked up and stopped being able to boot from the SSD. Booted from 10.9 USB installer, and went to disk utility, located ...
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74 views

How to automount UDF partition with strange partition ID

I have two partitions on my usb hdd: #: id cyl hd sec - cyl hd sec [ start - size] ------------------------------------------------------------------------ 1: AF 1023 254 63 - 1023 ...
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104 views

Can't copy folders to NTFS drive with NTFS-3G OSXFuse

I just installed ntfs-3g and osxfuse using brew. I have no problem copying individual files to the external hdd. But every time, I try to copy a folder, I get the following error : The operation ...
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207 views

MacBook won't boot from internal SSD

I got a 2011 MacBook Pro and had a Samsung 840 Pro installed running Mountain Lion, then Mavericks for about a year without any problems. Without any apparent reason the MBP just wouldn't boot from ...
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135 views

/dev/disk0 disappears

On my Macbook Pro mid-2014 (have had it for only a week) I am having an issue where the primary hard drive (at /dev/disk0) just disappears from the system, thus crashing. The only reason I know that ...
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176 views

Getting rid of “The disk you inserted was not readable by this computer” message at startup

I have a couple of disks in Windows software mirroring RAID in my system, and when OS X (Mountain Lion) loads, the same message pops up (twice) each time: The disk you inserted was not readable by ...
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83 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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77 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, ...