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

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Mac Book Air mid-2012 completely disappeared disk

I've tried to wake up my Mac Book Air from sleep today, but I got a black screen. After waiting 10 min, I decided to shut it off by holding the power button a few sec. After restarting, I had a ...
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180 views

I stopped Time Machine and I lost my files

I have a huge problem. It seems that I erased 1TB of my husband´s pictures (he is a photographer). He has a 2TB Verbatim external disk and today I was kind of playing with Time Machine. I don´t ...
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1answer
3k views

Unable to read last block of the device

I'm mid way through replacing the hard drive in my MacBook Pro (mid-2009). I've created a boot disk (10.8) on a SD card which I am booting from. On trying to format the new drive with disk utility ...
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2answers
501 views

New Seagate hard drive freezes MacBook Pro

I have a mid-2009 MacBook Pro 2.53ghz Core 2 Due with 8 Gigs of ram running Mountain Lion. I am attempting to upgrade the hard drive due to running out of space. I picked up a Seagate Momentus 750gb ...
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231 views

What size SSD would suffice for basic software-development / productivity?

My friend is selling me his old MacBook (Glossy white finish with rounded edges and corners) cheap for a Mobile Development course I'm taking, but he's keeping the hard drive. So I'm thinking of ...
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496 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
370 views

If I temporarily remove an external HD from my Mac, then re-introduce it a few weeks later, will Time Machine back it all up again?

If I remove an external hard drive from my Mac, then re-introduce it a few weeks later, will Time Machine back it all up again as if it were a new drive, or will it just back up the changes that were ...
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72 views

Time Capsule unmountable: Invalid B-tree node size

Some time ago my Time Capsule suddenly stopped working. Running Disk Utility on it gives me this error: Is there any way to fix this issue?
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662 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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410 views

RAID 1 array degraded, now not being recognized by OSX

I've got a pair of Seagate 3TB HDDs in a mirrored RAID 1 array using a Vantec NexStar MX two-drive enclosure. The setup has generally worked fine for the last four months, but lately I've noticed that ...
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1answer
428 views

How can I write to a USB 3 flash drive faster than 15 mb/s?

I've got a USB 3 flash drive that should be able to write at about 50 mb/s, but I'm only able to write to it at 15 mb/s. I'm using a Mac Mini 2012, which has four USB 3 ports. I am connecting the ...
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2answers
357 views

Selling my broken Macbook. How to make sure there's no personal information on the hard drive?

My Mac won't turn on but I'd like to sell it for spare parts. How can I make sure there's no personal information stored on the hard drive for the buyer to retrieve?
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2answers
3k views

disk full - Mac OS won't boot

My friend has a problem getting Snow Leopard to run because the disk is completely full. I suggested getting into command line mode (CMD+S on boot) and delete some things, but it didn't work (nothing ...
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1answer
637 views

Format disk with one Windows and one Mac partition

Can I partition an internal hard disk (in a Mac Pro or Mac Mini) such that it contains one partition usable for Mac OS and one usable for Windows? I know Boot Camp does that for the boot disk but I ...
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2answers
370 views

OS X accessing external drive

I noticed that when I plug in an external NTFS HDD something is reading it and it doesn't stop for a long time... I checked with fs_usage and saw this: 23:26:54.189404 read F=5 ...
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1answer
171 views

MacBookPro wont boot Transcend SSD320

I have been having trouble booting my macbook pro. I have a backup of everything on the cloud so I tried reinstalling the system from my usb mountain lion stick. Unfortunately the disk utility did not ...
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1answer
98 views

Where is the unavailable disk space?

I recently uninstalled a 120 GB windows 7 (installed and uninstalled via boot camp) on my Mac mini machine. I suspect that part of the disk space used in that installation has been made unavailable. ...
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1answer
38 views

Can Time Machine be used as a Drobo system

I came across some products by Drobo that let you use an array of external hard drives seamlessly. Would Time Machine be able to do something similar? For example, suppose I have HD1 with photos ...
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2answers
883 views

How can I make my computer believe a disk image is a hardware disk?

I'm trying to do some research on TimeMachine right now. I don't want to purchase an external hard drive, just to learn about some software, and so I'd like to be able to tinker with the settings, by ...
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342 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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1answer
154 views

fsck_hfs keeps crashing when trying to repair my Time Machine volume

I've got my Time Machine volume (direct attached, USB) corrupted by accidentally flicking the switch while it's running. Now neither Disk Utility nor fsck_hfs can repair the drive. Investigating it ...
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2answers
2k views

Is there room for two drives in the 27" 2012 iMac?

I've looked around a bit, but can't find anybody saying whether there is room in the new slim iMac for an extra internal SSD. I used this tutorial about a year ago to add an additional SSD to my Mid ...
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2answers
325 views

How can I get my laptop's existing system onto a new replacement drive?

I'm planning to swap out my early 2011 MBP's drive for a larger capacity one. I'm running Mac OS 10.7.5. I have available a 1 TB external USB-connected drive that I'm using for Time Machine backups. ...
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1answer
475 views

Can't boot from Snow Leopard DVD

I bought a new hard drive for my 2011 MacBook Pro and did the following steps: Backup using Time Machine Replaced the hard drive Put in a Snow Leopard DVD (10.6 from ~2009) Booted holding down the c ...
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2answers
1k views

How to copy all files with extension/filetype in terminal?

I want to copy all files in ~/Desktop with the extension .jpeg to my flash drive. How can I do this in the terminal?
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1answer
111 views

How to export files from hard drive in Snow Leopard CD?

I have a macbook 5,1 that won't startup. I'm going to reinstall Snow Leopard with the CD, but is there a way to export some of the files that are in it? I can't seem to gain access to them through the ...
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3answers
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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 ...
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2answers
2k views

Mac Could Not Restart After a Kernel Panic

I was forced to restart MacBook Pro when a kernel panic happened about 2 hours ago... Since then my computer would just stuck on the grey screen with the Apple logo every time I tried to reboot it. ...
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1answer
31 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 ...
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1answer
141 views

Mid 2010 i7 Macbook Pro 6,2 stuck at Apple logo on boot

Recently my 15 inch Macbook Pro (mid 2010, i7) hasn't been booting normally (No drops, no spills, etc). It just hasn't been able to boot normally. The issue I'm having is it only goes as far as the ...
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3answers
1k views

Stress Testing Your Mac For Optimal Performance?

Stress testing maybe considered a useful way to determine if your Mac is performing at its optimal level of performance & may also be an indicator of faults of any components within your Mac. ...
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1answer
142 views

For the Apple SSD drives, will they run slower with less free space available?

From what I understand, most SSDs will run slower once there is 20% or less free space available, due to TRIM/garbage collection. However, are Apple SSDs the same way? The reason I ask is because ...
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1answer
330 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 ...
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2answers
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How to back up Boot Camp before upgrading my hard drive to an SSD?

I have a Macbook Pro which has a 750GB HDD. I'm currently using Bootcamp to run Win 7. If I want to upgrade the HDD to a SSD but keep my stuff from both the OS X side and the Win 7 side what are the ...
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1answer
166 views

Stress test a disk

I have a 1Gig disk that's about 3 years old. The other day it went south, with OSX telling me that it could not repair it and leaving it in read only mode. I was able to salvage everything on it. Now ...
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2answers
59 views

Corsair GS 180 slowdown in Macbook Pro over a year's time

I installed a Corsair GS 180 SSD (revision 5.020000) in my Macbook Pro, around this time last year. (July 2012.) I ran the Blackmagic Disk Speed Test application, and ended up with: Write: 219.0 MB/s ...
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1answer
25 views

some system binaries are lost

After installing some RAM my macbook pro would not start, diskutil showed HDD failure. Booting in single user mode and running fsck several times to repair the disk lead to a running system. But ...
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2answers
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Aperture: Library over multiple Hard Drives

I switched to Aperture some time ago. And right now, the moment has come that I want to save some space on my internal hard drive. What I found on the Apple website is this: I can't seem to find ...
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1answer
294 views

How can I recover photos from a damaged MacBook?

My grandson spilled orange juice on my MacBook and ruined it. I bought an iPad to replace it, but I had dozens of old family pictures stored in iPhoto on the MacBook. Is there any way I can recover ...
2
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1answer
197 views

The safest, most reliable way to move files from drive A to drive B

I am trying to come up with the safest way to move data between two drives, designed to handle the worst possible circumstances. For example: if you were trying to move the only existing copies of ...
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1answer
221 views

Freezing, disk i/o problems iMac

I have a desktop iMac with Snow Leopard installed on it. Every few minutes, I get freezing and "kernel disk0s2: I/O Error" in my console. I did some research, and found that my hard drive (a WD I ...
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1answer
2k views

How to resize Mac OS Extended (Journaled) partition after linux messed it up?

I've tried to use Ubuntu on my macbook pro (6,2), but it was a total and abject failure, mainly due to poor hardware support. So, I have given up on my little experiment and just deleted ubuntu and ...
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1answer
582 views

Why is my Mac able to write to my NTFS hard drive?

My question is one of confusion. All over the internet I have seen people looking for the ability to use a Mac to write to NTFS, or people formatting drives to FAT32 so that their Mac can share a ...
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3answers
236 views

If I put my old mac hard disk system drive with bootcamp in a USB caddy, after replacing it with an SSD, will it appear as 2 drives when plugged in?

I'm going to replace my MacBookPro system drive / hard disk with an SSD. I will then re-install MacOS and Windows via bootcamp. The original drive will be put in a USB caddy to be used as an external ...
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1answer
794 views

Running out of hard drive space, yet Disk Inventory shows only 190GB used vs. 480 GB used in HD Get Info? How is that possible?

I'm down to 20GB on a 500GB hard drive and would like to know what's eating up the disk space, so I can clear out any large things I no longer need. 2 screen shots are showing me Disk Inventory ...
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How can I browse the hard disk attached to my Airport Extreme from my iPhone?

I have a gen 5 AEBS which has a total of 3 HFS+ partitions across 2 USB hard drives (USB hub in the middle). On my Macbook Pro Retina, I can see all 3 HFS+ partition in the Finder. Finder shows the ...
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1answer
181 views

Recover GPT Hard Disk files on Windows

My friends 2008(ish) era macbook pro died recently but the SATA HDD is fine, I have removed it and plugged it into a Windows 7 machine. I can see in Paragon Partition Manager that the drive is a GPT ...
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Macintosh HD missing after failed catalog btree rebuilding

There is an I/O error in the hard disk in my MacBook Pro running Mountain Lion and as I start it up, a progress bar fills up and then it shuts down on its own. I attempted to recover the files in ...
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289 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 ...
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214 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 ...