0
votes
1answer
17 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 ...
1
vote
0answers
32 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
66 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 ...
0
votes
1answer
26 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
17 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. ...
1
vote
0answers
22 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 ...
0
votes
0answers
25 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 ...
1
vote
1answer
120 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 ...
1
vote
2answers
53 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 ...
1
vote
1answer
154 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 ...
0
votes
0answers
24 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 ...
1
vote
3answers
89 views

How can I wipe a disk from a Mac with firmware password set?

I'm in a somewhat odd situation: I need to wipe the disk of a MBP, but I can't boot into Recovery Mode/from a CD/etc. as there is a firmware password set. Is there a way to wipe the disk from within ...
2
votes
1answer
125 views

After enabling File Vault, OS X doesn't mount disk automatically anymore

I have an external 2 TB LaCie drive connected via FireWire 800 to my MacBook Pro (8,2 – early 2011 model), which runs OS X 10.8.5. It has one big partition which is a Time Machine target, and the ...
2
votes
2answers
67 views

Monitor hard drive usage history?

On Mavericks, is there a way to know about hard drive use history? To be clear, I do not only want to know how much space I am using on my hard drive, but to have a history of the evolution of the ...
2
votes
1answer
42 views

Can't find backup files on Macintosh HD?

When opening the OS X System information it says I have 67 GB backups: But when I'm using Disk Inventory X to find large files on my Mac i can't find any backups files: I don't know anything ...
0
votes
1answer
29 views

Can you partition the HD of a G3 iMac for OS 9 and OS X?

I have an old Tangerine iMac G3 in nice condition, I installed a clean copy of OS 9 on it and I can run the "iMac Demo Summer 1998" interactive demo which is neat. I'd like to install OS X (Tiger) on ...
1
vote
1answer
39 views

Can OS X Combine Physical Disks

I have OSX Server 10.5.8 installed on a drive and I would like to combine 2 USB drives together to act as one drive. Is that possible?
0
votes
1answer
92 views

Parallels Desktop Minimum Hard Disk Space to allocate?

My current hard disk drive 256GB is already not enough for me. Therefore, I wish to reduce the allocation of my Parallels Desktop. I did the "Reclaim" to get 11GB back, but PD still occupies 63.6GB. ...
0
votes
0answers
38 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 ...
3
votes
6answers
1k views

Is it safe to delete ~Library/Caches?

Is it safe to delete the file Caches, in the Library of the Mac OS X Hard Drive? It's a pretty big file, 3.56 GB, Caches reminds me of logs i don't need or browser cookies. Is it safe to delete the ...
0
votes
1answer
48 views

Monitor disk activity per volume without third-party software

I have many disks/volumes connected to my OS X system. I want to monitor, in real-time, read/write speed for each volume. OS 10.9 activity monitor shows only the cumulative numbers for all volumes, ...
0
votes
1answer
65 views

Cannot boot Mac Mini with stripped RAID -fsck hangs

Today we coould not get one of our machines running. After several hours of doing the 'standard' tasks like fixing permissions etc. we hit a dead end. Here's what's going on: Machine starts, we can ...
2
votes
2answers
204 views

There is about 60GB of space being used on my HD that I cannot find

Am I just bad at math? OmniDiskSweep isn't picking up what is using my space. I recently deleted a 60GB drive (not partition) that VMWare Fusion was using, and emptied the trash. Now it doesn't show ...
1
vote
1answer
549 views

Recover Deleted Files on Mac OSX [External NTFS]

I have accidentally deleted some files on my Mac OS X Mavericks. Actually, I was trying to burn an .img file to my flash drive which was located at /dev/disk1 (at the same time I had connected a NTFS ...
1
vote
3answers
3k views

How to restore Mac OS X on a new hard-drive?

I am going to upgrade my MacBook Pro hard-drive, but before doing so I'm trying to figure out how to restore OS X on it. My DVD drive doesn't work so I cannot re-install from the DVD. I have a recent ...
0
votes
0answers
163 views

My external hard drive is full, now I can't mount (or see) it

First off, I'm using a 3TB western digital external hard drive with a mac-mini running Mavericks osx. I was backing up a lot of data to my external hard drive, and then I went away for a few hours. ...
2
votes
1answer
1k views

How to fix “Error: -5341: MediaKit reports partition (map) too small” after upgrading to a larger hard disk?

I recently bought a new SSD drive, as my stored data amounts outgrew the old one a little bit. After copying all data using dd if=/dev/disk0 of=/dev/disk1, I want to enlarge my system partition, but ...
2
votes
2answers
126 views

Discrepancy between availble space and capacity on external HD

Disk Utility report (Consistent with Finder) Mount Point : /Volumes/partition2 Format : Mac OS Extended (Journaled) Owners Enabled : No ** Number of Folders : 10 Capacity : 1.9 TB ...
3
votes
0answers
139 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 ...
1
vote
1answer
297 views

Two systems and SSD lifetime increase

I bought a Late 2013 iMac with new generation PCIe Samsung XP941 M.2 based SSD 256Gb. Really powerful SSD. But of course, I was scared about SSD rewrite cycles and wanted to check it because I want to ...
0
votes
0answers
60 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 ...
0
votes
0answers
64 views

How to mount a VMware startup disk as read-only?

I am using VMware Fusion 5. I have several disk images (*.vmdk mostly) that I would like to mount as read-only. They are sensitive disk images that should not be connected to the internet, nor should ...
0
votes
0answers
271 views

Cannot completely eject my external hard drive on Mac OS X 10.9

I am using Mac OS X Mavericks (10.9). And wanted to attach my external hard drive to VirtualBox ubuntu virtual machine. To do this, I should completely unmount and eject all external disk partitions ...
2
votes
1answer
689 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! ...
1
vote
1answer
885 views

Fresh Install OSX on new hard drive without the .dmg (iso) file

Today my MBP's HDD left me. My issue now is to install OSX (Mavericks) I have purchased to the new HDD. I don't have neither the DVD nor the iso file nor another Mac Device (but I could ask friends) ...
0
votes
0answers
192 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 ...
1
vote
0answers
1k views

How to make bigger Macintosh HD partition

I installed OS X Mavericks Server as a virtual machine to ESX. I'm doing some testing and now I need more space. Macintosh HD partition is 50 GB and I have expand it to 100 GB total in ESX but I need ...
2
votes
1answer
150 views

Grow HFS+ partition at the end of harddrive without partition-manager-cd or moving to another drive

I've got two HFS+ partitions and would like to grow the latter one but neither disk utility nor the commandline diskutil allow that. I don't want copy the whole partition to another drive and then ...
5
votes
1answer
5k views

Disk Utility won't Unmount HD for formatting

I have two internal drives in my 27" iMac (10.8.5). An SSD system disk and a 1TB SATA drive. The HDD has been acting up recently, very slow performance, bad behavior etc. Tech Tool Pro and Disk ...
0
votes
1answer
283 views

OS X 10.8.6 installed on USB Flash Drive using most of drive space

I have created an installation of OS X on a small drive. Everything has worked fine apart from the fact that it has used up most of my space. According the file size on each of the folders in the root ...
2
votes
1answer
282 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 ...
0
votes
1answer
708 views

How do I copy files from Mac on Windows Partition to Mac Partition?

So my mac partition crashed... I've tried to repair disk, fsck, reinstall OS - Everything on every list of I could find on Google, and nothing worked. So I have a back-up of most of my files from ...
2
votes
0answers
82 views

Broken FileVault Drive

I'm coming to you having a few issues with my old hard drive. Basically, my MacBook crashed a few days ago. It seems like my disk has some bad sectors and has started a kind of autodestruction ...
0
votes
3answers
1k views

How To Securely Erase Free Space Using Terminal?

A friend told me that when you delete a file on your Mac in the normal way it actually stays where it is, but it is just no longer usable by your Mac. The addition of more files to your Mac causes ...
1
vote
0answers
350 views

2007 15" macbook pro disk full won't get past login screen

I was trying to help my brother fix his computer: A pop up that comes up at login that will tell you that your startup disk is full, he logs in and the screen gets stuck without loading any files. I ...
1
vote
2answers
660 views

Finder Reports Disk is Full, Other Tools Don't Account for it (UPDATE 3)

I looked at some of the other Q&A here and didn't see a duplicate of this one (e.g., How can I figure out what's slowly eating my HD space? and other linked and related questions). Finder reports ...
0
votes
0answers
87 views

Cannot boot Ubuntu from USB 2.0 on OS X

I'm running OSX 10.7.5 on a Mac Mini 2012. I'm trying to boot Ubuntu, but keep running into issue, after issue. This is what I have done: Got an extra external hard drive an formatted to MSDOS with ...
0
votes
1answer
237 views

Looking for OpenSource Cleaning / cache deleting application for Mac

In the times of small SSD harddisks, I was looking for an open source software to delete caches and other space wasters like logs, unused application remains and such on Mac OSX, and all over the web ...
2
votes
1answer
121 views

Editing Partition

When trying to edit a partition on my hard drive, Disk Utility says: Couldn't modify partition map because the file system verification failed. So I booted into single-user mode and typed in: ...
3
votes
1answer
104 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 ...