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

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778 views

Can I Mount a Hard Drive in Mac Pro Tower as Read Only?

I'm trying to recover data from a failed external Fantom RAID Drive enclosure by plugging the drives into a Mac Pro tower, but I'm concerned that OS X might write to the disks and jeopardize the RAID ...
3
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1answer
234 views

Backup external hard drive to the cloud via Time Capsule

I'd like to move my photo directory to an external hard drive, but still have that hard drive backed up both locally and to the cloud. This wouldn't be a problem if I was using a desktop machine of ...
3
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1answer
315 views

What do I need to know to buy an SSD drive for a 2008 MacBook 5,1?

I'd like to buy an SSD drive for my MacBook aluminium (MacBook5,1 from 2008). What do I need to know to buy one which will work fine with it? I.e. years ago any IDE drive would fit any IDE slot, but ...
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1answer
28 views

How to securely erase an arbitrary SATA drive, utilizing the drive firmware to do so?

The problem with using Disk Utility or dd if=/dev/zero to erase a disk is that: It applies unnecessary wear to SSD drives. It sends the drive's capacity worth of zeroes over the drive's interface. ...
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1answer
50 views

Would and SSD or RAM be the better upgrade in this situation?

I feel I'm making this post more for validation than anything, but I want to get some of your opinions as well. My friend contacted me the other day asking how she could make her MacBook Pro run a ...
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1answer
29 views

Can only one partition of old hard drive been transferred to new MacBook?

I just took the hard drive out of my MacBook pro that broke down a few days ago and put it into an enclosure. My questions; If I buy a new MacBook pro, is it possible to ONLY transfer the Macintosh ...
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1answer
349 views

Customize external HDD spindown timeout?

It's possible to enable spinning down of mechanical hard drives using the "Put hard disks to sleep when possible" option in Energy Saver, and it's possible to customize the timeout period with sudo ...
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1answer
1k views

Macbook boots up to grey 'prohibited' symbol

I'm having an issue with my '09 13" Macbook Pro. When I boot it up, it seems to be booting normally until about thirty seconds in, when the Apple symbol is replaced with a kind of 'no-smoking' symbol, ...
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1answer
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 ...
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56 views

Replaced Ipod video hard drive and battery, now won't start. Did I accidentally kill the hard drive?

As I said in the title, I've been trying to revive an old 5th gen ipod video. I replaced the hard drive, screen, and battery. At first it wouldn't boot, only giving sad ipod error. Then out of ...
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77 views

Disk I/O error on a superdrive?

The hard disk of my late 2011 MacBook Pro 15" died and I replaced it with an SSD. I wanted to have more space, so I bought a 1 TB hard disk and put connected it instead the superdrive. The problem is ...
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45 views

Duplicate PERMISSION SCHEMES in “Get Info” window for HDs /in OSX -on new /newer Macs

I am running Mavericks (booted from external drive): from a super-fast solid-state HD (Thunderbolt v1 cabled); I reinstalled the 10.9.2 OSX a while ago - due to permissions rebuilds /other weirdness, ...
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78 views

Macbook often won't shutdown if external not manually unmounted first

If I don't have my external hard drive plugged in, or if I eject it first, the computer shuts down very fast thanks to my SSD. But if I don't eject it first, it either takes much longer to shut down ...
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27 views

Mid 2010 MBP 15" - Manually Upgraded MBP, what should be my next steps?

I've been reading up on what to do after manually upgrading my MBP, and answers vary per individual/profession. I replaced Optical Drive with an 120GB SSD, and made SSD into bootdrive, HD into ...
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39 views

Recovery of Deleted Partition That Has Been Partially Overwritten

I refer to How to recover a deleted/replaced HFS+ partition from external drive?, which provides an easy way to recover partitions that have been deleted but are still intact. I have a harddrive ...
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1k 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 ...
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54 views

Time Machine, Drive not available

My friend has a MacBook Pro. I've wanted to do some backup on an external drive (Lacie 1TB) with Time Machine. Now, since the backup is in the external HDD, I can not use the internal drive of the ...
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76 views

Throttle local file transfer speed in OS X

I have two high speed disks (250MBps) attached to my Mac Pro. For testing purposes, I want to copy files from one disk to another, with a defined speed limit, for example 100MBps. In other words, I ...
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188 views

Why does the diskutil shows I have two local hard drives?

I was trying to get my NTFS drive to work today and I discovered that the diskutil thinks I have two local hard drive. This phenomenon is not occurred on my Macbook Pro. Do anyone know why? Here is ...
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168 views

Migration issue - duplicate user account

I've got a situation that I don't know how to resolve. I've had a Mac setup and all worked fine. I've bought an SSD drive, installed Mavericks and used the migration assistant to move all the stuff ...
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58 views

iMac14,1 disc: 3Gb/s or 6Gb/s?

Does anyone have an iMac14,1 with the following disc? ST1000LM024 HN-M101MBB This is a 5400 RPM Sata-II interface drive. I am curious regarding it, as I went in to the Apple Store to see what the ...
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50 views

How to read apple HDD on linux without root privileges?

My question is very simple. I just want to read my Apple HDD on my linux computer without root privileges. My goal is only to read and copy some file from my home directory (in Documents). Currently ...
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64 views

FileVault drive asks for password, doesn't accept it, but mounts

I have an external drive that I use as a bootable clone (using Carbon Copy Cloner). Sometimes, though not always, when I connect the drive, I get an alert saying "Enter a password to unlock the disk". ...
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49 views

AirPort Extreme network drive only uses the free space

I'm trying to expand my network by attaching a hard drive to my AirPort Extreme. The whole setup works and the drive is accessible by any computer connected to the WiFi, but for some reason, the ...
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188 views

External FW HDD not showing up in Finder, but still functional in FCP 7

Okay, so this has been a very baffling issue... We have two OWC Mercury Elite Pro hard drives that have been perfectly functional since we got them a few months ago. We recently upgrade to 10.9 on ...
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89 views

Diagnose if corrupted volume is due to hardware problem

This morning when turning on a Mac laptop, it suddenly announced that an external backup disk (which was connected overnight) "can't be repaired". Disk Utility also says: Disk Utility can’t ...
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170 views

Reduce impact of Disk IO on performance

I've never found that OS X has been exemplary at handling responsiveness under Disk IO, but Mavericks has made it so bad that I've been barely able to use my machine whenever a backup kicks in. ...
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95 views

Splitting user and system across multiple volumes

I'm migrating from a large HDD (1.25TB DIY Fusion Drive) to a pair of SSDs (256GB + 1TB). I want the 256GB one to mount as /, and the 1TB one to mount as /Users. In previous versions of OSX, you could ...
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972 views

How do I get my iPad to show up under DEVICES in iTunes 11.1.3?

I've been having problems seeing my iPad (and my iPhone, haven't tried my iPod) under the DEVICES section on the left (where the STORE, GENIUS, PLAYLISTS, LIBRARY are located) in iTunes 11.1.3. It ...
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250 views

Can't encrypt external hard drive

I'm trying to encrypt an external drive of mine using Apple's built in drive encryption tool into OS X through Finder. The drive is formatted as Mac OS Extended(Journaled) and I'm plugging the drive ...
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505 views

Unable to create new partition with Disk Utility on external drive

I'm trying to create space on an external drive to clone my mac as a bootable volume with CCC. With Disk Utility I cannot modify it for some reason (probably because the same disk is used with Time ...
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52 views

Used iMac with lion installed, no discs. Do I upgrade to Mountain Lion? Rename HD?

Just bought a used iMac (mid 2011) with Lion installed on it. I do not have the install disc so I am wondering if I should upgrade to mountain lion or continue as is and hope I never need the system ...
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497 views

Is there a “windirstat”/“Disk Inventory X” type iOS app? (ie app for visualizing hard drive usage on iOS)

This is a pretty simple question. Assuming you know what WinDirStat &/or Disc Inventory X do, which is visualize the usage of your hard drive on a file-by-file basis, sized in proportion to the ...
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736 views

Upgrade Firmware on Samsung 840 when part of a Fusion Drive

I have successfully created a fusion drive using an 256GB Samsung 840 Pro and am loving it - but am experiencing (my first) system crashes (on my mac) ever since when I send my MBP to sleep. I read ...
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355 views

Macbook Air hard drive crashed, download Lion without paying again?

2 days ago my girlfriend's MacBook Air crashed (mid 2012, running OS 10.8), only showing the infamous "folder" icon. Usual stuff did not help, reboot pressing alt, cd, etc. We went to an Apple Store ...
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168 views

copied files from one drive to another showing incomplete progress bar

Copied files from one drive to another showing incomplete progress bar in mac. When recopying them it seems as they were complete.
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125 views

What is the limiting factor in /dev/zero speed?

I have installed 4 brand-new SATA hard drives in a mac pro. My OS is running on a fifth drive (SSD). I run this command pv /dev/zero -tpreb | sudo dd of=/dev/rdisk1 bs=512k for many hours to ...
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185 views

Is there a way to boot on iMac from usb using a different OS and access osx files to back them up

I am having issues starting up my iMac. I would like to know if i create a bootable usb with Ubuntu or any other OS, would i be able to boot with it and access the OSX drive? I able to do this in ...
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0answers
1k 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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458 views

How to select which disks are allowed to sleep?

There is an option "Put the hard disk(s) to sleep when possible" in Mac OS X's preferences: Is it possible to configure which disks Mac OS X can put into a sleepy state? For example, I want to ...
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178 views

Should the Sudden Motion Sensor be disabled with a hybrid hard drive?

I've read that it's ok to leave the SMS on with non-stock hard drives, but I've also seen that it can crash an SSD. I have a Momentus XT with 4GB of solid state memory and 500GB of spinning platters. ...
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2k views

Install Linux Mint on a dual-drive MacBook Pro with Windows and OS X

I have a Macbook Pro 13 mid-2012. It was shipped with a 500GB HDD, to which I added an additional SSD drive (128GB). After installing my SSD in a caddy, thus replacing the optical drive, I installed a ...
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410 views

External Harddrive is showing in System Information but not Disk Utility

My harddrive crashed last night and since then I have not been able to access it on my Macbook Pro. I've restarted both my computer and hardrive multiple times and I've experienced the same result. It ...
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103 views

ZEVO: anyone have access to a current road map?

I've recently installed ZEVO on my Mac Pro and I'm looking forward to what ZFS will provide with data integrity, pool management and drive handling. Wondering if there is a current road map?
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56 views

Is there a way to monitor the stack of execution in order to find the longest hangs?

Related to this unsolved mystery: apple.stackexchange.com/questions/62416/why-do-i-get-serious-execution-lag-on-clicks-application-switching-and-general I'm wondering if there's a way to see which ...
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233 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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682 views

how do I create an ISO/CDR file from a hard disk?

Presently I am attempting to back up my whole computer's primary hard drive to an ISO file. When I attempt to do this using Disk Utility, I perform the following steps: Open disk utility and choose ...
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434 views

ISO 9660 on Lion. “No Mountable Filesystems”

I have a collection iso images that all mount on an imac running snow leopard but not on my 2011 MBP with Lion. They are formatted iso 9660, but I don't know at what level. When I mount them with ...
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311 views

Hard drive space disappearing after mounting external drive

I have recently purchased a WD Elements SE 1Tb external drive. I have set it up with dual partitions: FAT32 (primary) and HFS+ (secondary). I also have a Macbook Pro 13 running Snow Leopard 10.6.6. I ...
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Direct transfer from internal Time Capsule HDD to connected USB-HDD

searching down the web but since now i not succeed. I have a Time Capsule (A1470 with 802.11ac) I use this TC as TimeMachine-Backup and a little "NAS"-Server So many of my data is ONLY stored at the ...