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

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Mounting a “Mac OS Extended (Journaled, Encrypted)” drive formatted in Lion on either Mac OS X Leopard or CentOS 6

I formatted a Seagate FreeAgent external hard drive on a system running OS X Lion (10.7) as "Mac OS Extended (Journaled, Encrypted)". Everything works great on the Lion system. However, when I try ...
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7answers
2k views

What are the best disk cloning tools?

Money is no object. I want a bit for bit perfect copy of a hard drive/partition which is bootable (is either possible) to be used in a backup regimen. I have heard of some tools but your ...
4
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1answer
312 views

Diagnose disk I/O per application

I have a Leopard system which feels rather sluggish, and which I suspect may be disk-I/O-bound. While I know how to check which app is using CPU or memory (top or Activity Monitor), I don’t really ...
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1answer
190 views

Upgrading to Lion - Questions about disks, RAID and backups

I've gone Lion on my MBP and now, having backed up four year's worth of files am ready to upgrade... A bit of background: I have a 2007 MacPro and have filled all four drive bays with: 2 x Western ...
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2answers
300 views

Disk space disappeared, what happened?

So yesterday I had to jump through some hoops getting Xcode set up, in the end I had to install it once, uninstall it and then install a different version. At the start I had ~78GB free. After the ...
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4answers
196 views

How do I determine the speed of a disk drive?

I'm looking for a way to determine the read/write speed of a disk drive, either by looking up some system information or running a simple benchmark test utility.
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7answers
14k views

What format for my external drive allows use with Mac and Windows?

How can I use my external hard drive on Mac OS so I can modify/edit files on both OS's: Mac and Windows? How should I format it?
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2answers
3k views

Accessing events on external drive in iMovie '11 on Lion

I have my iMovie events stored on my external harddrive (located in a Synology NAS). It worked like a charm with iMovie '11 on Snow Leopard. I then received my new MBP with Lion and the external ...
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2answers
9k views

Is File Vault 2 whole disk encryption or whole partition encryption?

Can I use File Vault to encrypt only some of the partitions on my disk (so that I can still have unencrypted and Windows partitions on the same disk), or does File Vault encrypt the whole disk so that ...
0
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1answer
679 views

How do I speed up a USB external hard drive?

I am using an external USB drive for video. Is it possible to increase the speed of the drive to make rendering/copying/, etc., faster? When I have a couple of applications writing to the drive, and I ...
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1answer
138 views

How do I list the plugged memory sticks on Mac OS

How can I list all the currently memory devices on MacOS X? I need to do this by command, because I have an Java application that needs this information. Thanks
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2answers
197 views

Reinstalling software on a brand new (non-formatted) drive - MacBook

My sister gave me her old Macbook that had a bad hard drive. I replaced it with a non-Apple drive and tried to install her software on it, but had no luck at all. I did successfully load/run Ubuntu, ...
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4answers
865 views

After hard drive upgrade, battery not charging?

I just installed a new hard drive into my Macbook Pro 1,1. I had a little difficulty when I initially installed it because the monitor was not turning back on. After re-opening the MacBook Pro (with ...
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1answer
492 views

3 Terabyte hard drives in Mac Pro Mid 2010?

I got the Mid 2010 Single CPU Mac Pro and want to add a 3 TB hard drive, specifically the Western Digital Caviar Green WD30EZRX. Does anyone know if that drive will work? Not looking to boot from it, ...
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1answer
367 views

Can I use a Carbon Copy Cloner with a source disk that's larger than the target disk?

Carbon Copy Cloner is a great utility that's saved me a few times over the years. I've always used a much larger target drive than the source so I've never run into this problem before. Now I have a ...
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1answer
208 views

Is it safe to unplug a drive while MacBook is asleep? (i.e., does sleep unmount drives?)

Is it safe to unplug a drive while MacBook is asleep? (i.e., does sleep unmount drives?) I think probably not, at least if a file operation was running when you put the computer to sleep, I guess it ...
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2answers
2k views

Early 2011 MBP Hard Drive Noise - What IS normal?

I bought an early 2011 (the current model at the time of writing) 15 inch, 2.2GHz MacBook Pro. I had a previous generation model, pre unibody model which I loved and performed like a star. ...
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2answers
117 views

What is the position of HD Heads during a spin down?

So I'm debating between powering down and sleep mode when toting my macbook around in my backpack. Apple says the HD 'spins down' when in sleep, which obviously means is not spinning. But are the ...
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1answer
204 views

How to check if internal HDD spindle is off after unmount

I use SSD instead of optical drive in my Macbook MC516LL, so I have bunch of reasons why I wants to keep HDD's spindle off: Preserve HDD from shock Reduce energy consuming Reduce overall system ...
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2answers
1k views

Hard drive unmounted and missing then back?

I have a 15" 2011 MBP with the OWC data doubler (a generic version). In my primary drive position (the spot where the factory HDD was) I have an OCZ-VERTEX 3. In the data doubler (the spot where the ...
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2answers
336 views

SSD instead of DVD temperature

just installed Intel 320 instead of DVD in Macbook MC516LL. Does old DVD place is equivalent to standard HDD place in Macbook from temperature (thermal) perspective?
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1answer
3k views

can i delete “developer-old” folder?

I've got a "developer-old" folder besides for my "developer" folder. "developer-old" contains "headers", "SDKs", etc folders. It'd be nice to delete this folder bc it takes up 10GB. Can I?
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1answer
140 views

Hard drive on latest macbook pro 17 accessed too often

I have the latest macbook pro 17 and it seems no matter what I do, particularly noticeable when I simply scroll up and down on a window, I hear the hard drive tapping away like it's being accessed or ...
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3answers
6k views

How can I tell if my iMac's hard drive is dying?

A couple of days ago, my three-year-old iMac locked up. When I rebooted it, it only displayed a folder icon with a flashing question mark. After a couple more reboot attempts, it booted. I ran Disk ...
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3answers
959 views

RAM Disk gets unmounted when coming out of sleep

I have a script set up to create a RAM Disk at login. But I have now noticed that the RAM Disk (And sometimes other networked disks) get unmounted when I put the laptop to sleep and wake it up again. ...
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4answers
2k views

Macbook's harddrive free space changes seemingly randomly

Over the last few days my hard drive has gone from a few GB of free space, to zero KB, absolutely full. I then deleted about 1GB of files, and now the free space has gone down to 640MB, and then went ...
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4answers
2k views

Where can I buy the four hard drive screws for my MacBook Pro 2011 15" (pic)

I'm trying to find four replacement mounting screws for the 2.5" hard drive in my MacBook Pro 2011 15". Here's a pic of the four screws (one attached to hard drive). I tried Googling and can't find ...
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2answers
1k views

My MacBook Pro just froze, any advice?

So, my MacBook Pro froze three times today, two of which about two minutes after startup. I could hear fans making noise. When I say 'freeze' I mean that both input an UI don't work. I tried Apple ...
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2answers
973 views

New hard drive not recognized

I swapped the original 80 GB hard drive for a new 640 GB Samsung HM64JI hard drive. It is not recognized after booting from the 10.5 Installation DVD on Macbook 2.1 with recent EFI updates installed. ...
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2answers
1k views

Using the Seagate FreeAgent Desk for Mac on PCs

Is there any way I can use the Seagate free agent Desk Hard Disk for Mac on a PC? Notes: When this disk is plugged into a PC(running Linux, say) the disk is recognized as a separate drive, but we ...
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1answer
608 views

Why do external hard drives run so hot while mounted and idle on a Macbook Pro?

When my external drives are mounted and idle on a Macbook Pro, they run hot. Why? I do not have the same experience with NTFS volumes on my Windows box, where's the difference in idle disk usage? ...
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2answers
2k views

Is it possible to Move a bootcamp partition from one drive to another?

When I got a new MacPro last year I formatted one of the additional (i.e. non-boot) drives with Bootcamp and installed Win 7 x64 on it. This set up has been working well these last 12+ months but I ...
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4answers
188 views

Dealing with a dying hard drive

I have a MacBook Pro with a dying hard drive. It was working poorly for the last month or so and the last 4 times I turned it on it booted correctly once, issued a boot sector not found twice and a ...
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3answers
105 views

How can I recover a Mac HDD?

Should I take it out and put it in a HDD enclosure. assuming its a 2.5" drive, should i buy a HDD enclosure and just slot it in? Anyone know of a half decent FAQ that will help me with this task. ...
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0answers
486 views

Restore 200mb EFI Partition/Write Support for WIN7 HFS+

So I posted earlier about recovoring an HFS+ partition on Windows. I used Testdisk with awesome success. Now I've run into another issue. The biggest issue is that I need to read AND write to my ...
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1answer
550 views

Restore OS after Harddrive upgrade

I planning to upgrade my 2010 MBP's Hadrdrive from 160GB to 500GB, I have alrerady lot of data on the existing disk, including Bootcamp partition. Could anyone suggest how to do I go ahead with ...
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4answers
2k views

How can I add some SSD goodness to my MBP?

I have a decently modern (late-2010) Macbook Pro, with a 7200 RPM 500GB HD. I need this much space, but I'd like to have an SSD for compiling code, running the OS, and running games. Is there any way ...
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4answers
266 views

Time Machine External Drive

What factors are important when selecting an external hard drive for time machine backups?
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1answer
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Issues with replacing the internal hard drive in a mid 2007 macbook

I have a white 2007 MacBook with a 2.0 GhZ intel Core 2Duo processor with a 80GB Serial ATA @ 5400 rpm. Recently my hard drive crashed so I got a new 500Gb Western Digital AV-25 WD5000BUDT 500GB 5400 ...
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2answers
758 views

External USB hub for 4 external hard drives

I have a macbook pro. And like all macs, there is never enough ports. I've been searching and searching to find a USB hub that power 3 external USB hard drives. Any advice?
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2answers
463 views

Which 2nd hard drive for my MBP 2011?

I am looking at options for a 2nd hard drive (SSD is primary) for my 15" MBP 2011, i initially was going with a 750gb 5400rpm drive but i'm thinking about either of the following 7200rpm drives. ...
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4answers
414 views

How can I automatically have my Trash emptied when disk space gets below a certain point?

Sometimes my hard drive gets low on space, and various things don't work properly until I empty the Trash and free up some space. I know there are applications that empty the Trash after a set ...
3
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1answer
231 views

Is it safe for the hard disk drive to operate while MacBook Pro is positioned vertically?

There is a nice designed product: Twelve South BookArc. You can save some space and increase wow-factor of your workspace a bit. But is it safe for HDD to operate a Macbook when it is not parallel to ...
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1answer
541 views

Refreshed MacBook + BootCamp unable to boot restored Windows 7 partition

I recently had my MacBook's HDD crap out on me. The OS X partition, in particular, quit working, but my Windows 7 partition was still in decent enough shape for me to grab an image. I got a ...
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1answer
628 views

Can't gain write access to secondary hard drive root-level folder

I have a second hard drive installed on my Mac. On its several root-level folders there's only one I can't get write access to. I've tried right-clicking it, select "Get Info", unlock it, click the ...
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1answer
349 views

Replacing HDD on 2007 17" iMac

My iMac's HDD has died so I need to replace it. I don't just want to go like for like, does anyone know what the upper limits of the machine are? I have a 1TB USB drive plugged in, so I'm assuming ...
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2answers
1k views

Hard drive read only access with Mac

I have an external usb hard drive that I used to connect on my old PC laptop. There are some files I created with the laptop on this hard drive. Now, I can only read those files with my Mac notebook ...
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5answers
2k views

Snow Leopard cannot find my LaCie Network Space 2 when it's connected through USB.

I have a LaCie Network Space 2 (and I wish I had bought a WD instead) which is connected to my iMac with USB. I have used it before through LAN, but I've moved my Mac to another room and now I ...
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4answers
2k views

Why have 5 different iMacs developed corrupt OS X partitions when the physical drives are fine?

I'm a tech for my local school district and we are having some problems with our iMac Multimedia Lab. Over the past nine months, 5 of the 22 iMacs have suffered from filesystem corruption. The only ...
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1answer
442 views

Synchronise/Merge MP3 collections without duplication or huge copies

I have one drive containing about 90GB of MP3s which is used at home, it serves three Squeezebox players though the Slimserver software running on one of the desktop Macs. I have a separate firewire ...