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

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947 views

Can't access USB hard drive plugged in to Time Capsule

I have the most recent 2 TB Time Capsule to which I connected (via USB) a 1.5 TB Seagate hard drive. I expect the hard drive to be visible under "Shared", but nothing appears, except the Time Capsule ...
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240 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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1answer
179 views

Move Large, Frequent files closer to center of HDD

Is there a native/third-party utility (or native trick) to move large, frequently-used files closer to the center of the disk? I was under the impression that the OS tried to automatically optimize ...
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1answer
1k views

Dedicated SSD/HDD to install Windows on a MacBook

So I have a Late 2008 unibody MacBook. I recently bought a caddy to replace my optical drive with so I can fit a secondary drive in the laptop. I have a 256 SSD in the main and a brand new 128 SSD to ...
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1answer
1k views

Windows Server 2012 (or 2008) on a Mac mini

I understand Windows Server 2008 (and presumably 2012) works with Boot Camp. But I am wondering if it will be able to access the second hard disk in the Mac mini server. Can a Boot Camp Windows use ...
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1answer
333 views

Will FileVault reduce the power of my hybrid SSD+HDD?

I have a MacBook with a Momentus XT hybrid SSD+HDD drive. It have a 500GB HDD plus 4GB SSD which, as I could check, it uses as a cache for read operations. It uses some kind of black magic to ...
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3answers
25k views

Why is my hard drive still full after deleting files?

I'm new to Mac. I have deleted many files from my applications folder, downloads, music, etc. to make clean Mountain Lion installation. After installing Mountain Lion I can still see in About This ...
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1answer
193 views

Hard drive defect? Help me recover my music!

I've an old iPod Classic with 80 GB of Storage, suddenly it stopped showing any music. I can still access the files on it (with Windows Explorer). Copying all files is possible but it stops at a ...
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1answer
1k views

Macbook Pro early 2012 SSD retire block count

I've recently bought an OCZ Vertex3 480 GB SSD (VTX3-25SAT3-480G) for a drive upgrade. This is what I did after I purchased the drive: Backed up my system with Carbon copy cloner Installed the SSD ...
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1answer
5k views

Where are notes stored in Mountain Lion

I ha a hard drive that died recently in my macbook, I've replaced the hard drive etc so no issues there. Unfortunately, it appears I wasn't backing up the notes app to iCloud, and I really need to get ...
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2answers
1k views

JDiskReport is damaged, can't be opened

I have tried downloading and running JDiskReport 1.4 a few times now, and after unzipping it and clicking on the executable I get the message: "JDiskReport" is damaged and can't be opened. You ...
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1answer
253 views

I replaced my Superdrive with a second hard drive, and now I've got spin-up/down issues

I've purchased a bracket to replace the superdrive in my 2009 Unibody MBP, the kind with the latch that pops open rather than the entirely screwed down bottom panel. Now that I've put in my second ...
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1answer
6k views

Does Time Machine need a “clean drive”, or can I use an old hard disk

I want to use Time Machine on my Mountain Lion. I have 1TB external HDD I use for storing various stuff. The thing is I selected the drive for Time Machine to work on but nowhere it is mentioned ...
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1answer
3k views

What does “DOE compliant” mean in Disk Utility?

When erasing a drive with Disk Utility, you have a couple options. An insecure wipe, a single pass of zeroes, a "DOE-compliant" 3 pass, and a DOD (Department of Defense) 7 pass. DOE doesn't stand ...
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3answers
11k views

fsck and Disk Utility won't repair Volume: invalid b-tree node size

I accidentally wrote some .iso data to a disk through dd by mistake. I cancelled the command after just 2 seconds but that was enough to wipe the first EFI partition (200MB) and a bit of the second ...
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2answers
18k views

MacBook Pro flashing question mark but I can't repair because hard disk not found in disk utility

Today my MacBook showed up some wheel of death and I waited and waited and then after a long time (10 minutes) decide to force shutdown. Ok, I know its not a good idea but I've done this before and ...
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2answers
3k views

Mountain Lion Installer detects hard drive damage

I downloaded and ran the Mountain Lion Installer today for my mid-2007 iMac. After rebooting and preparing to install, I receive an error message that the hard disk was damaged and the installer could ...
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1answer
803 views

How can I mount disks via cron in Mountain Lion?

Is there a way to mount disks in Mountain Lion that works with cron? The following command works fine from the Terminal: /usr/sbin/diskutil mount disk1s6 But when executed via my crontab, it ...
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3answers
350 views

Exact clone of HD

I managed to broke something on my iMac's internal HD. I have now done a successful restore using DiskDrill, but just in case I want to make an exact copy of the internal HD. Not just some partition, ...
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0answers
463 views

“Invalid key length” - corrupt partition after power outage?

I recently lost power overnight with my computer up and running, external hard drives plugged in, and in the morning my login screen had the "Device Removal" error as if I unplugged the disk without ...
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4answers
4k views

How to recover data from unreadable hard drive?

I have an 80GB Fujitsu 2.5" hard drive that died about a day ago and had nothing backed up. Is it possible to retrieve data off of it somehow.
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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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2answers
5k views

How to partition an SSD that fails with error 69888 - couldn't unmount disk?

I erased the SSD drive in my MacBook and was reinstalling Lion when it failed about 75% through the install. Now in Disk Utility, sometimes I see the SSD drive and sometimes I boot and it's not there ...
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1answer
509 views

How to re-encrypt a decrypted partition that says “The Core Storage-targetvolume is already encrypted”?

I encrypted a Lion partition called "Storage" and it worked perfectly. I needed to decrypt it momentarily because I had some issues, but now I want to encrypt the same volume again and it says "The ...
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1answer
2k views

HD accidentally reformatted to MBR, how to get back to GUID?

So in trying to create an MBR partition of my hard drive which I could then use to boot a solaris-derivative OS using rEFIt, I messed up. Rather than a hard drive with a primary GUID partition map ...
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2k views

How to recover deleted files from OS 10.5.8?

I'm not very experienced with Macs, so please pardon my mistakes. I'm assisting a coworker with a client of ours who recently let go of one of their employees, and in the resulting meeting the person ...
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2answers
3k views

Are there any wireless hard drives work well with Lion or newer Macs?

Are there any wireless hard drives to use with a mac? I need to copy paste files from and to this hard drive, when the disk on my mac is full. Do I need to look for a specific Apple drive or will any ...
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1answer
115 views

difference between disk size in console vs disk utility

Console results df -h disk utility results What explains the large difference here in capacity as well as used memory? And which is more reliable.
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3answers
5k views

How to fix “512 bytes per sector” to “4096 bytes per sector” for an “Advanced Format” 4K sector USB hard drive?

Mac OS X 10.7.4 has a Sharkoon Quickdeck Pro USB enclosure attached. That USB enclosure contains a 4TB Advanced Format hard drive which has 4096 bytes (4K) sector size. The drive is GPT/GUID ...
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1answer
895 views

How to auto mount internal SATA hard disk drives after power failure/interruption?

In a Mac OS X 10.7.5 (Lion) system with two internal SATA drives, the internal drives are connected via a Highpoint Rocketraid controller and are configured without any RAID thus operating in legacy ...
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5answers
5k views

Do 2.5" SATA HDDs in an external enclosure need extra power over USB with Windows?

MacBook Pro 2008 motherboard failed. Upon sending it to an Apple authorized repair center, they confirmed this. They gave me the laptop back so I could open 'er up and get the hard disk out, which I ...
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2answers
614 views

Is there anything like NVELO Dataplex (hybrid SSD/HDD software) for OS X?

I'm interested in upgrading my old MacBook to using an SSD and moving the data drive to where the DVD drive is using an optibay. Often SSDs come with a licence for NVELO Dataplex software (which is ...
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1answer
7k views

Why is exFAT so slow on Mac?

I tried exFAT in order to use my external hdd on both mac and windows but I found it's so much slower than HFS+. The speed is noticeably different when I tried to fast forward movies (over 4gb). ...
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2answers
292 views

New Larger Hard Drive on MacBook Pro

I have a 500 GB hard drive, and I need more space - I want to go up to 1TB of space. Is it possible to swap out hard drives and carry all my installed software, documents, images, settings, etc. ...
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2answers
841 views

Why is Outlook 2011 constantly writing to my hard disk?

I recently installed a hard disk write monitoring program (MenuMeters), and for some reason it was reporting that my drive is constantly being written to. By closing programs one at a time, I've ...
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3answers
260 views

Which type of storage between HDD and SSD should I use in MacBook Pro for app development job?

I'm deciding to buy my first MacBook Pro for developing iOS application. I never use any Apple desktop or laptop before, and also never develop any application. I think if I want faster result when I ...
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1answer
3k views

Unable to unmount drive!

Somehow my harddrive seems to fail, I am not able to startup anymore. When I started in verbose mode, I noticed that the harddrive return I/O Errors and the B-Node-Tree seems to be corrupted. I was ...
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2answers
363 views

Is “The disk copy of 'filename.psd' was changed since…” dialog a sign of harddrive issues?

I saw this message and I'm not sure if it is a sign of harddrive issues (corruption, etc) or anything I should be concerned about. It popped up in Photoshop when saving. Might also be worth noting ...
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3answers
670 views

Any partition software just to partition unused space?

Currently I have one portable external hard drive which I use for Windows. It's 1TB and over 300GB is used space. I would like to partition it so I can access the unused space from my Mac. Can you all ...
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0answers
101 views

Transfer data to rMBP from external hard drive?

I got the new rMBP and tried importing my stuff to it via an external HD. Seems like it didn't work. And Migration Assistant didn't either. Has anyone done this successfully?
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1answer
603 views

Can I manually put an external hard disk to sleep?

Is it possible to manually put an external hard disk to sleep? Right now, I've already got "Put the hard disks to sleep when possible" checkmarked in the Energy Saver preference pane, and so they ...
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3answers
5k views

Best file system for an external hard drive sharing between OS X and Windows

I would like to buy an external hard drive that I'll use on Mac OS X and on Windows, but I don't know the best file system for it (reading and writing on the both system). I know I can used FAT32 ...
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2answers
4k views

SSD and Superdrive on Nvidia MCP79 SATA controller

Right now I have a Hitachi 320GB 5400rpm and a MATSHITADVD-R UJ-868 superdrive connected to the Nvidia MCP79 SATA controller in my MacBook Pro 5,3. The link speed of the hard disk drive is negotiated ...
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1answer
933 views

Nvidia MCP79 SATA controller caps link speed

Why is my SATA controller capping the link speed? This is what it says in my System Profiler under the Serial-ATA page: Vendor: NVidia Product: MCP79 AHCI Link Speed: ...
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2answers
6k views

Clone the Windows partition with Carbon Copy Cloner?

I have bought a new Hard Drive and I want to switch from my old disk to my new one. Time machine will do the job for my Mac partition, but not the Windows partition I guess. So I'm looking for way to ...
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1answer
609 views

Sandboxing prl_disp_service to prevent disk waking

So there is prl_disp_service, a Parallels 7 background service that periodically wakes the internal hard drive in my Macbook Pro although it`s unmounted most of the time since I boot from an SSD I ...
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1answer
370 views

Macbook Pro HD/SSD Dock mount drives as read/write

Ok, so just bought myself a dock so I can wipe some drives and use others as storage. Most of these drives originated from windows Machines and thus are formatted NTFS and not FAT/FAT32 Currently I ...
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2answers
61 views

Moving Drives Between Macs

I'm considering buying a new MacBook Pro after today's refresh, and I am wondering if OS X handles simply pulling a drive out of one MacBook Pro and putting it in another. I know that in the Windows ...
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1answer
166 views

Cannot read internal hard drive

My MacBook Pro (Mac OS X Snow Leopard) would not start up and the apple service guy suggest me to take the internal hard drive and back up the data to another computer using an external hard drive ...
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3answers
972 views

How do I not accidentally eject external drives?

I have a Mac Mini with a few external drives connected that I use as a home server. Normally the Eject buttons next to the drive icon are really handy as they let me eject an external drive very ...