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

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Make SCSI Appear as Internal Hard Drive

I have the HighPoint RocketRAID 2720SGL Raid card running on my Mac and it shows as an external drive. I would like to make it appear as an internal drive. Is this possible? From: To: Here ...
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1answer
521 views

Space Occupied By Other Files And Folders On Hard Drive

I have been using VirtualBox to create a virtual machine to run Windows 8 on and after deleting the virtual drives and virtualbox due to having issues with Windows 8, I am missing a lot of memory from ...
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1answer
919 views

Partition/Volume grayed out but full read/write access

i have a Mac Server and a partition only for files. The volume is grayed out in the Finder sidebar, but if i go to the folder via CMD + G (go to folder) and type "/Volumes/Server_Daten" the volume ...
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1answer
110 views

Does using “rm” command cause journaling corruption?

Some time ago I had some problems with my Mac drive, so I went to the recovery partition and used Disk Utility to check for problems. It reported a huge discrepancy between the journaled free blocks ...
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1answer
572 views

In Disk Utility, what advantages do “read/write disk image”s have over “sparse bundle disk image”s?

If I want a read/write disk image, then aren't sparse bundle disk images always the way to go? They start at 0 kb in size, and grow to accommodate whatever you add to them, and if you delete stuff, ...
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1answer
659 views

Fusion Drive: free space on SSD

Is there a possibility to find out how much storage is free on a SSD of a Fusion Drive disk (SSD + HDD as a logical device)? The structure I use is this one here: $ diskutil list /dev/disk0 #: ...
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2answers
1k views

Can I use an HFS+ usb disk with encryption enabled with a Time Capsule (2TB is mine)

I have a 2TB Time Capsule (version 7.6.1) and I want to connect a USB disk formatted as HFS+ with encryption enabled (on MAC OS X Mountain Lion). When I connect it directly to my iMac, it asks for a ...
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4answers
9k views

Recovering data off of a dead hard drive

My hard drive died in my macbook and it no longer will start up. It will not mount in an external enclosure but disk utility is still reading that the hard drive is there, and I tried to repair disk ...
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3answers
4k 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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1answer
2k views

prevent second hard-drive from spinning up after standby

I have a MacBook Pro with two harddrives, an SSD in the main slot and a larger, normal drive in place of the superdrive. Because of power consumption and noise I managed to get my Mac to not ...
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6answers
28k views

How can I test if my hard drive is going bad?

I've looked over similar questions and searched the internet to try to find symptoms of a bad hard drive, but I haven't found anything that seems to be related to my problem. I have a late 2008 15" ...
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3answers
4k views

Can I install OS X lion on a disk that is OS X Extended Journaled encrypted?

Just wondering if I can, using Disk Utility, format the hard drive such that it is OS X Extended (HFS+) Journaled encrypted. Will Lion be able to install on that disk?
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3answers
2k views

How much will adding an extra hard drive to my MacBook Pro affect battery performance?

I have a current MacBook Pro 15" i7 2.2Ghz with a 500GB 7200RPM (default) hard drive. I am thinking of replacing both the current hard drive and the superdrive with two Seagate Momentus Hybrid 500 GB ...
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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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1answer
527 views

Is it possible to use Time Machine on a shared USB Hardrive?

I've a iMac with an external HD derserved to Time Machine. I also have a MacBookPro. Is it possible to make this config : Share the disk on the iMac so that the MBP sees it on the network Ask Time ...
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1answer
36 views

Interesting partition Map with missing HD space

I have the latest generation Macbook Pro running Yosemite, I bought this computer used I don't know if the last person attempted to install linux or what the story is but I believe my partition map is ...
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2answers
2k 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 ...
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4answers
5k 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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1answer
2k views

backing up an OSX image to an NTFS drive?

I would like to make an image of my entire OSX install, so that I may restore to it if necessary. I'd LOVE to have incremental backups, so bonus points if anyone can figure out how I can do this! ...
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2answers
2k views

Why is it important to keep lots of freespace on OSX? What is the impact?

I have a 500GB drive and have less than 50 GB free. Console is reporting several interesting errors saying I'm too low on space and it's cleaning up "stuff" 1/6/13 4:49:51.475 PM ...
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2answers
4k views

MacBook SSD replacement — sudden motion shock sensor in optical bay?

When looking to upgrade a MacBook Pro with a solid state drive (SSD), one option is to: First, install the SSD instead of the spinning hard disk drive (HDD). Then, install the HDD instead of the ...
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1answer
902 views

Is it a good idea to seal off the optical drive bay after installing a second HDD?

When installing a HDD instead of the SuperDrive: Does the bracket, which holds the HDD, seal off the optical drive slot in the unibody? If not, it seems that debris and dust could get in. (I guess ...
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2answers
148 views

iBook G4 opening procedure (for hard disk replacement)

I am about to replace the hard disk of an iBook G4 (a 12" 1.33 GHz model) with a SSD. The guides I find online, such as this one, describe a rather long procedure where both the bottom and top covers ...
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2answers
735 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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2answers
227 views

Occasional system hangups after upgrade to Lion: is it a disk or software problem?

I have an 13 inch MacBook unibody Alu (early 2009, before they started to be called MacBook Pro) that I use every day for many hours (it's my work and life computer). Few weeks ago within few days I ...
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1answer
62 views

Is there a way to monitor which disks are spun down in a Mac Pro?

I have an 2009 Mac Pro full of disks, most of them seldom used (boots on a SSD). Is there a way to see which disks are spun down at a given time (currently running 10.6.8)?
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3answers
1k 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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1answer
452 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 ...
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3answers
2k views

“Not enough space” on partitioning?

I have a 320GB harddrive with 95GB free. I boot to a 10.5 disk, open disk utility, and add a 40GB partition. Halfway through the progress bar, though, it tells me that there's not enough space. I'm ...
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1answer
88 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 ...
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2answers
2k views

How do I transfer Boot disk from External HDD to newly inserted SSD?

I'm trying to upgrade from my MacBook Pro's original HDD to a SSD. Right now my external HDD, which I installed OSX Mountain Lion on, has to be plugged in to boot. If I unplug it, I get a white screen ...
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1answer
4k 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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1answer
301 views

Can hard-drive benchmark apps damage your hard-drive?

I want to measure the read/write speed of my hard-drive. I came accross this page recommending Blackmagic Disk Speed Test. There is a frame saying this: Note: Blackmagic Disk Speed Test puts hard ...
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2answers
2k views

Mac Hard Drive Testing Tools and SMART Analysis

How good is SMART (Self Monitoring Analysis and Reporting Technology) for really finding and predicting drive problems for regular hard drives and now, for SSDs. From what I understand, different ...
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1answer
570 views

Time Machine wiped my external drive despite pressing “Don't Use”

I have an external hard drive(formatted as FAT32) that has been in use on/off for years. I even had backups on it (not using time machine). I mounted this hard drive, it was taking a while to mount. 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
770 views

Disk utility on Mac and free space dispatching

I have a physical hard drive that is split into 3 partitions. The second partition is running out of space and I want to give it some free space that I have on the third partition. While, this is ...
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1answer
3k views

Why won't disk utility let me remove a partition from my external hard drive?

I have an external 1.5 TB hard drive split evenly with a partition for backup and a partition that was used for Time Machine on my previous computer (OS X Lion). Now I'm using this hard drive with a ...
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0answers
289 views

Yosemite Startup Manager After Downgrading to Mavericks

I downgraded from Yosemite Public Beta to Mavericks by: Created bootable Mavericks USB Booted Mac to the Mavericks USB Went into Disk Utility > Selected HD and Erased HD Restored to Mavericks Time ...
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2answers
716 views

Boot up error prohibitory sign flashing folder with question mark

3 weeks ago my hard drive failed so I bought a new one. (Macbook pro late 2011) 5 days ago, the new one flashed prohibitory sign, flashing folder with question mark. Every once in a while I could get ...
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0answers
302 views

Disable USB Write Caching by default

Is it possible to change OS X's USB filesystem mount behaviour to use the noasync flag to disable write caching? The aim here is to allow USB devices to be safely removed without eject or hdiutil ...
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1answer
225 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 ...
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1answer
301 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 ...
3
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1answer
596 views

Mac disk free space automatically decreases

I am running Snow Leopard (10.6.8) on MacBook Pro. A few days ago I found my free disk space is too low, so I tried to clean un-necessary files form disk myself and using some programs like ...
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3answers
766 views

Should I Move The Swap Location For My Mac From The SSD To The Larger HDD In My Laptop?

Should I move the swap location for my Mac from the SSD to the larger HDD in my laptop? Background information: I've heard some suggestions in the general PC/Windows world that if you have an SSD for ...
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0answers
828 views

Can I enable AHCI mode of the SATA controller when booting to Windows on a MacBook with Nvidia chipset?

Is there a way to enable AHCI mode under Windows on a Macbook5,2 (white) on N-Force 730i chipset? If you want to just say 'no', please put it in the comments instead. Thanks. Advanced Host Controller ...
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2answers
254 views

How to comprehensively benchmark SSDs on OS X?

I want to benchmark my SSD under different circumstances. Connected through USB3, Thunderbolt and internally (S-ATA). Unfortunately I can only find benchmarks which concentrate on measuring read and ...
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4answers
5k views

What hard drive is used for the 500 GB Macbook Pro option from Apple?

I'm looking to replace my Macbook Pro 13" hard drive. I tried upgrading to a Seagate Momentus XT 500 GB, but returned the drive because it caused the palm rest to vibrate when pressed (I installed ...
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1answer
332 views

Moving file between disks in Mac OS X?

Is there any way so when I drag and drop a file from one disk(A) to another disk(B) the files are moved instead of copied? I have a mac book pro and a mac pro(old cool one) and when I drag and drop ...
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3answers
225 views

An endless supply of 1's for securely overwriting and erasing a disk

I vaguely remember hearing about disk wiping, and that you have to flood the disk with zeros, flood it with ones, flood it with random data, and repeat this quite a few times. This is just a general ...