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

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2answers
25k views

How can I let Windows XP read Mac OS Extended (Journaled) drives?

How can I let another PC using Windows XP (Service Pack3) read Mac OS Extended (Journaled) volumes? Windows XP shows nothing.
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2answers
1k views

External drives won't mount on restart

One of my staff just got a new Mac mini with the USB 3 ports and Mavericks. It has 2 Seagate GoFlex 3TB hard drives connected: 1 for Time Machine, the other for Dropbox files. When the computer is ...
3
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1answer
170 views

How can I log OS X Server disk performance?

I know Activity Monitor exists to view disk i/o and other performance metrics. However, does Activity Monitor have the ability to log any of these metrics? If not, how can I log these metrics into a ...
0
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2answers
1k views

Mac OS X Mavericks fails with disk corruption error

I have a similar problem described by the question posted to this forum labelled "OS X Mavericks upgrade - disk/partition failure". I, however, didn't stop the installation process. Instead, I ...
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2answers
2k views

Time Machine cannot find external toshiba hard drive after OS X 10.9.2 update

I used my Toshiba Canvio USB 3.0 external hard drive without any problems for the past year. Today, I received a system alert: Backup failed. The backup disk "Time Machine Backups" is not ...
0
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2answers
4k views

Replaced hard drive - trying to do a clean install of OS-X on 2011 Macbook Pro

I've seen plenty of how to's on how to upgrade if you have a working installation of OS-X, however I purchased this macbook used, it needed a hard drive and a keyboard. So I put a new hard drive in ...
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2answers
15k views

How to disable Time Machine for an external hard drive

My wife has a MacBook Pro and two external hard drives; both of which currently contain a Time Machine backup of her MacBook Pro hard drive. Now she wants to "turn off" Time Machine for one of her ...
1
vote
1answer
451 views

Change HD in Macbook Pro Retina Display 13" - SSD 250GB

I have a Macbook Pro Retina Display 13" model with a 250GB SSD which was brought in January this year. I always knew that there wouldn't be enough storage space for me at 250GB however always planned ...
2
votes
1answer
459 views

Photo library on external network drive

I am quickly filling up my hard drive and would like to move my iPhoto library to an external drive. I understand that it must be on an HFS+ formatted drive to properly work. I would prefer to attach ...
3
votes
2answers
4k views

Should I put the SSD in the Optical or Main Bay when replacing Optical Drive?

I have 2010 MBP. Wanted to put SSD in optical bay (and use it as main boot drive) because main bay has SMS (motion detection) that HDD would use. The only problem is that optical bay in my computer ...
0
votes
1answer
126 views

How do I make sure the firmware for my newly installed SSD is up to date for Mac OSX? Note: cannot use optical drive

Installed a 2nd HD (SSD) onto my 15" MBP and wasn't sure how to upgrade the firmware. SanDisk 120 GB SSD. Anyone know?
2
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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 ...
1
vote
1answer
578 views

How to automatically mount airport connected hard drive as read only for a user account

I have an external hard drive connected to my airport extreme. I am able to access the drive without any problems. However, I have user accounts set up for my two young children. I want to give access ...
0
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2answers
2k views

Apple infinite load. I/O error and even a new HD

My mac mini from the 2011 refused to boot. Apple logo and loading image forever.. I tried cmd+s: Went through all the steps from the applejack, tried fsck -fy, all semmed pok, Tried cmd+v: It ...
2
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0answers
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 - ...
2
votes
2answers
38k views

Blinking question mark on folder on boot

I am attempting to boot up my 2009 MacBook Pro, but when it starts it immediately shows a white screen with a 'question mark folder' — it keeps blinking until the computer shuts down (unless I keep it ...
1
vote
0answers
65 views

Can a mac do a bitwise copy of a USB disk with proprietary disk format?

I have a USB disk with a propietary format that I want to bitwise clone to a new identical drive. I have CCC but the disk doesn't show up in Finder. It does appear in Disk Utility. I tried ...
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vote
0answers
52 views

What to do if repairing one disk made the other unrecognized?

Originally I had two drives, an HDD and an SSD (my boot drive). The HDD had a 100gb partition on it that used to have windows installed on it, but that partition got locked and became unusable. When I ...
2
votes
3answers
853 views

“Other” just ate my hard drive [duplicate]

When I woke up his morning, I had >80 GB of free space on my hard drive. Over the last four hours, in which I wasn't even around, something filled my hard drive completely. I would attach a ...
0
votes
1answer
242 views

How can I use an external hard drive as a secondary internal hard drive on OS X

So I have a 2011 iMac that has a 500 GB. Hard drive inside. I could not buy a new computer but I bought a 2 TB. external hard drive that I connected using firewire, since it is almost as fast as ...
1
vote
1answer
287 views

Internal Hard Drive Not Visible

I have an early 2009 MacBook running OSX 10.9. Last week, my hard drive crashed. I bought another and installed OS 10.9. Everything works. I do not, however, see the drive's icon on my desktop. ...
0
votes
1answer
3k views

I can't boot into Windows 7 on Boot Camp

I have a mid-2009 MBP. A couple of years ago I swapped out the optical drive for an SSD, made the original hard drive a Boot Camp partition and installed Windows 7 on it. It has been a brilliant "best ...
1
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0answers
164 views

Raid two external hard-drives with read/write support on Windows & OS X

I have a USB 3 HDD enclosure that currently has two 1TB drives in it. I am looking at buying another external USB 3 HDD drive (not an enclosure). I am currently running the external enclosure with the ...
1
vote
1answer
45 views

“disk full” error — quota disagrees with system information

When I try to download anything or create/save new files, it fails saying "Disk full". Entering quota in terminal tells me around 417600 blocks have been used out of 512000. However, going to About ...
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0answers
124 views

Does free disk space actually help mac performance?

Anyone will tell you that freeing disk space will make your mac faster - specially noticeable if your disk is almost full. I don't know if that's true. Is it? And why, exactly? I just don't see how ...
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0answers
2k views

Reclaim unallocated disk space on macbook pro?

I had portioned my hard drive into two (mac and Windows). Later I portioned the primary (mac) into two but figure my Windows were not loading so I changed it back into one. The problem is there is ...
2
votes
1answer
345 views

Is there a way to change order of physical disks in Corestorage

I upgraded existing system to a "Fusion drive" - corestorage volume - consisting of existing 300GB HDD and new 120GB SSD. Instead of creating a new corestorage drive I went with the route of ...
6
votes
2answers
18k views

Unable to format / erase hard drive

I have an external HD that died on me a while ago and I'm trying to see if I can format / erase it to start using it again. The disk does not show up in Finder but I can see it in Disk Utility. When ...
2
votes
2answers
161 views

How to restore a deleted HFS+ partition table?

I have an external 2TB hard drive with one HFS+ partition, and accidentally dd'ed over the first ~500 MB of it. I have carelessly placed some new partitions in an attempt to repair it, because I had ...
0
votes
1answer
889 views

Disk Utility reports “missing thread record” on my external HDD

I have an external 500 GB HDD that's about five years old. I just turned it on and it made a bunch of clicking noises and failed to spin up immediately, though it did so after a few seconds. To be ...
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vote
1answer
2k views

Can't mount primary HD, Disk Utility shows Invalid Node Tree Size

There are similar lines of questioning in the forum, but few valid responses. Apologies for reposting. I've searched for hours on end... I'm a tech consultant (software, not hw) helping my relative ...
2
votes
5answers
11k views

How to set VirtualBox in order to access external hard drives in guest Win7?

I have installed VirtualBox in order to use Windows 7 as guest on a Macbook Air running Mavericks (mainly to be able to use a printer that has no drivers for Mac). Also, I have installed the ...
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0answers
62 views

Hard Drive Scraping Noise and the Flashing Inquisitive Folder

Hey I'm having the flashing question mark folder issue. My hard drive is also making this noise like tschhh, tschhh, tschhh, tschhh. Holding option does nothing, it just makes it load to a grey ...
0
votes
1answer
210 views

Adding a photo directly to iPhone disk

I tried to add a picture in the folder /User/Media/DCIM/100APPLE/ (the same as /private/var/mobile/DCIM/100APPLE/), but it doesn't show up in the Camera Roll. How can we make it appear? It's an ...
0
votes
2answers
538 views

Backing up OSX and bootcamp for a new drive

I'm getting a new larger size SSD for my MBP and I want to transfer my existing OSX and bootcamp partitions onto it... In preperation, iI've used bootable USB CloneZilla to clone everything onto an ...
5
votes
1answer
3k views

Extremely slow write speed to encrypted external drive on Mavericks

Writing to a fully encrypted USB flash drive on Mavericks is extremely slow. The drive model I used for testing was a Kingston DataTraveler Ultimate 3.0 G3 (64 GB). I tested transfer speeds by ...
2
votes
3answers
605 views

Is my Mac Mini HDD about to fail?

I carried my Mac Mini while traveling a few times, once to a different country and couple of times to different cities. I once noticed the hard disk inside makes noise like its about to fail. But the ...
1
vote
1answer
5k views

Mid-2012 MacBook Pro hard drive failure (maybe? not really.)

Mid 2012 MBP with OEM hard drive. I booted it this morning to a flashing question mark folder. I happened to have an external drive with OSX on it, booted to that external drive just fine. I opened ...
0
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1answer
80 views

Big boo boo on reinstalling OS X Lion. Help!

I have OS X Lion and erased the hard drive to prepare and install Maverick. Can you hear the violin playing? Here are the issues: My hardrive (Toshiba 750G) resized down to its branch hardrive ...
2
votes
2answers
628 views

Repair or reinstall Mac partition

I have a hard drive that is having problems on a Mac that doesn't use Time Machine or another complete backup system. I get this error when trying to repair the disk: Error: Disk Utility can’t ...
5
votes
1answer
5k views

Can I have two Time Machine partitions on one hard disk drive?

I know that someone can use a partition on a hard disk drive for Time Machine, but is it possible to specify more than one partition on a single drive for this purpose? The scenario: My partner and ...
7
votes
3answers
3k views

Is there anyway to expand my MacBook Air's hard disk?

I have a 2011 MacBook Air(11-inch), I am using OS X 10.9, but I only have 64GB Flash Storage, and I want to expand the storage of MacBook Air's hard disk. I asked geniuses at Apple and they told me ...
5
votes
1answer
1k views

External Hard disk 500 GB free but can't copy 8 GB data

I have WD external hard disk, which was working fine. Its MS-DOS formatted. I have downloaded a file in .mkv, which works fine, and isn't corrupted. Upon copying the 8 gb file, it says "The file is ...
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vote
2answers
348 views

How do I remount USB Flash Drive or SD card?

I noticed that I could remount my USB hard drive through terminal after I eject it by typing diskutil list to find the drive and diskutil mountDisk /dev/disk"X"... So I tried to do the same with my ...
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1answer
38 views

Size of my Cd-Rom (SATA)

I have a macbookPro 15'' mid 2009 and I want know which size is my cd-rom (SATA)because I have to buy this "component" where can I find this information ? My Cd-Rom is 9,5mm - SATA/SATA ?
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2answers
50 views

Replacing DVD with SSD - What is the best way to test SSD reliability?

There have been some reports of specific SSD versions/speeds not working appropriately in specific MacBooks. Depending for example on SATA chipset etc. (e.g. saga-3 drives in old early 2011 MBP?). ...
2
votes
2answers
2k views

If I take the hard drive out of my macBook Pro and put it in a non-apple laptop, will it boot?

I've just upgraded my (2011) macBook Pro to use an SSD. So I've now got an old hard drive laying around with OS X on it. I've also got an old HP laptop laying around. If I put the drive in the ...
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1answer
8k views

Will 'Internet Recovery' necessarily erase my hard drive?

My Mac is booting to the 'question mark' folder. I option-booted to 'Internet Recovery'. Before I proceed, I would like to know: Will 'Internet Recovery' necessarily erase my hard drive? Can anyone ...
5
votes
4answers
7k views

9GB com.apple.coresymbolicationd file in Caches

I'm trying to free up disk space, and I came across this: I've read reports of a 600M file, or a 1GB file but never something like this. Is it safe to delete or does rebooting frequently help ...
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vote
4answers
3k views

How to delete partition disk0s4?

A while ago, I dual booted with ubuntu linux and followed a tutorial on youtube to do so, but later I wanted all of my hard drive to be for osx, so I deleted the ubuntu partition, but now I am left ...