A filesystem developed by Apple Inc. to extend HFS. Also known as "Mac OS Extended" "HFS Extended."

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HFS+ external drive missing EFI, will not mount on Mac

First off: Fear not, I have everything from this drive backed up. I'm just trying to reformat it, but I had someone else attempt it on Windows which doesn't look like it helped. I'm a novice but ...
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84 views

Unable to recover files using The Sleuth Kit's tools on Mac OSX Mavericks

So I'm trying to learn The Sleuth Kit on different operating systems and file systems. I've previously successfully recovered files from NTFS (Win7) using TSK's tools. Now I'm trying the same on HFS+ ...
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1answer
39 views

Can files be exchanged between FAT32 and HFS+ partitioned drive?

I just got a LaCie 1TB external hard drive and I have a MacBook Air with OS X 10.8. I often exchange movie and music files with friends that have PCs. If I were to partition my drive to have 250 ...
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1answer
65 views

OS X Case-sensitive issues?

It's been a few years since I tried a case-sensitive install of OS X and I'm wondering how it is these days? I had to revert to case-insensitivity before due to Adobe CS but I think that's fixed now. ...
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18 views

How do I transparently compress a directory?

I'd like to enable HFS+ compression for a directory, applying it to both the existing files in that directory and newly copied files. I expect to be able to read and write the contents of that ...
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3answers
13k views

fsck and Disk Utility won't repair Volume: invalid b-tree node size

I accidentally wrote some .iso data to a disk through dd by mistake. I cancelled the command after just 2 seconds but that was enough to wipe the first EFI partition (200MB) and a bit of the second ...
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292 views

Is it safe to convert Core Storage partition to HFS+?

I just got my new Macbook Pro, I tried to make two new partitions using Disk Utility but I could only create one. After googling I found out that I can't create more than one additional partition in ...
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163 views

What file systems can work with OS X File Tags? (HFS+, ExFAT, NTFS, etc.)

What file systems can work with OS X File Tags? (HFS+, ExFAT, NTFS, etc.) I have an NTFS data drive in a Windows machine that I might move to an external hard drive enclosure, if I can use Tags with ...
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1answer
201 views

Failed to mount partition of Mac OS Extended (HFS+)

As a matter of fact, my 1 TB External hard disk has three partition: "MAC OS", "NTFS" and "FAT32". All of the partitions worked very well in the past. However, I just discovered that my Mac OS ...
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1answer
23 views

Do files lose their UTI when copied to another file system?

From what I understand, if you create a file on OS X it will have a Uniform Type Identifier. I'm not sure if it's part of the file system or the file itself. If you copy the file to another file ...
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3answers
637 views

Recover corrupted Mac HFS+ drive (image) under Linux

I'm trying to recover an apparently corrupted disk. It appears that through improper shutdown the drive has been somehow killed. It's the main partition of a Macbook Pro. I've used dd to copy the ...
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1answer
309 views

Why is a hard drive not readable anymore after removing it from the Mac?

I have a mid 2010 27" iMac. Until this evening it had an SSD (primary drive with OS X Mavericks installation on it) and a HDD as second drive. The HDD is a Western Digital I built into the iMac in ...
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1answer
1k views

Verify disk reports error, recovery os repair + fsck says disk is fine

After my time machine backups got stuck to finish at some point, I decided to do a disk check using disk util. I'm getting the following output while running "verify disk": The volume ...
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50 views

Sharing Dropbox folder between OSX and Ubuntu

I've got a MacBook Pro in dual boot MacOSX + Ubuntu. I'm sharing a home partition between the two, with HFS+ filesystem, and a Data partition, also in HFS+. In the Data partition I placed my Dropbox ...
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1answer
350 views

Dropbox Install in Data Partition between OS X and Windows 7 Boot Camp

I have a Data partition between OS X Mavericks and Windows 7 Boot Camp. I have my Dropbox folder in the partition. I have tried using it in the past formatted as exFAT. This was unsatisfactory in that ...
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46 views

Optimize filesystem for speed over integrity

On Linux, I use the noatime,nodiratime,nobarrier,data=writeback mount optioins in /etc/fstab to trade filesystem safety/consistency/integrity for speed which makes sense for local development. Is ...
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1answer
163 views

Will HFS+ extended attributes be lost on FreeNAS?

I have FreeNAS server partially set up on an HP Microserver, but just realized that I may lose all my extended attribute metadata on the files that come from my Macs (which is what most of my ...
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2answers
91 views

How to get file metadata?

How to get extensive filesystem information about a file? I have a file that consistently causes errors in my backup utility (Unison). I'm trying to narrow down a bug and find out how it is different ...
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64 views

How to run OS X on ext4?

I'd like to install OS X on an ext4 filesystem, not hfs. How can this be done? I've looked at the Apple site, but, of course, it won't say anything about that.
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770 views

Howto resize copied HFS+ partition above original size (320GB)?

I am running OS X Lion and my laptop has a 320GB drive. I bought a larger drive (750GB) and cloned the entire device from the old drive to the new using GNU ddrescue. After cloning everything looks ...
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2answers
2k views

Why TimeMachine defaults to case sensitive?

I've just had some problems with a disk that was formatted with HFS+ case sensitive while every else by Apple was non case sensitive. After a long time moving things away from my biggest disk, ...
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1answer
52 views

How can I put my image of a drive onto a new partition on a Mac? [closed]

My friend has a Mac which suffered some sort of hard drive failure. I'm not sure if it is a hardware failure, the filesystem is corrupted, or both. We tried 'repair' in Disk Utility and it said it ...
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2answers
246 views

How should I reconcile dot-underscore files after a manual backup?

I recently had to (hurriedly) back up data on an older Macbook before migrating it to a new one. Since all I had at my disposal was a large FAT32 formatted drive, I used that and a manual copy. I've ...
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3answers
29k views

What are the advantages of formatting an external disk as journaled HFS+?

The application Disk Utility /Library/Utilites/Disk Utility.app which is part of the applications that ship with the Mac OS allows to reformat an external disk. Options include: Mac OS Extended ...
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1answer
176 views

How to get the content of a Resource Fork?

I want to get the stored resource fork. In PHP, I'm trying to: system('DeRez' . $_icon . ' | perl -ne \'m|/\* (.*) \*/| && print $1; END {print "\n"}\', $content); which in Terminal really ...
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1answer
50 views

Directories showing as files when browsing a Time Machine backup on Windows

I have to grab some files from a time machine backup and I only have a Windows PC. I downloaded the HFS+ filesystem drivers from MacRoumers (here) and plugged in my Time Machine Drive. Everything ...
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1answer
819 views

2nd HDD in Early 2011 MacBook Pro ejects during large file transfers, but only in OSX

I recently installed a 1TB HDD in my early 2011 13" MacBook Pro using an MCE Optibay. The stock 120GB SSD houses an OSX Mavericks install and a Windows 7 install, done basically via Bootcamp. The 1TB ...
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2answers
480 views

need suggestion, Common file system between MAC OS Mavericks and Windows 7 [duplicate]

I have Mavericks on one HDD and Windows7 x64 on another HDD in same machine. Windows can't even see MAC partitions while MAC gains READ ONLY access to NTFS partition. I want a robust and common file ...
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2answers
188 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 ...
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56 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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2answers
2k views

How do I recover a HFS+ journaled drive?

I had an external 2 or 3 TB (I'm not sure which) USB drive connected to my Mac (running OS X Snow Leopard) with an HFS+ journaled filesystem on it. The drive was working fine, but was a bit slow ...
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372 views

Recoverability with HFS Plus following removal of a disk from RAID 0 hardware or software

A theoretical question (I do not have spare hardware to test for this). Scenarios If RAID 0 is used (no redundancy of data) with HFS Plus, and if a disk within the array is disconnected for a while ...
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1answer
2k views

What file systems does Apple use in iPhones? [duplicate]

HFS WWDC 2012 Session 709, What’s New in the File System, presented by Deric Horn included the following observation: Journaled HFS+ everywhere. In the iOS Developer Library, NSDictionary Class ...
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1answer
265 views

What is the real world minimum HFS+ journal size for a 4TB hard drive?

Experimenting with Lion, newfs_hfs and smaller journal sizes it appears that 512k is too small for its journal size because kernel hangs occur. Google results show kernel panics for journal sizes of ...
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1answer
7k views

How to repair external hard drive that fails diskutil with 'Disk Full Error'

If I run fsck_hfs -y -d /dev/rdisk2s10 it putters along, rebuilds the catalog B-tree then fails when writing the new catalog to disk. bash-3.2# fsck_hfs -d -y /dev/rdisk2s10 ** /dev/rdisk2s10 Using ...
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322 views

Sharing an HFS+ volume from Mavericks to Windows 8

Does anyone know if it's at all possible to share an HFS+ volume from OSX 10.9 to Windows 8? (I'd like to try and isolate any plugins and or extensions to the Windows platform, and keep my OSX box as ...
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257 views

In the disk of an iPhone, are both HFSX slices journaled?

The question Is journaling enabled for the system partition? Background Answers to three questions show that both HFS slices of the disk are HFSX: What is the file system on iPhone? (2011-10-12) ...
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3answers
6k views

What filesystem does iOS use?

I can't find this information documented anywhere. What filesystem do iOS devices use? Did Apple stick with HFS+? Is it different between devices and iOS versions?
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1answer
6k views

How to recover a deleted/replaced HFS+ partition from external drive?

How do I recover a HFS Plus partition that somehow I've managed to delete or replace with a Linux command? I didn't do anything else, I mean, I didn't put any files or folders on the drive, so it is ...
3
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1answer
113 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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217 views

What documentation exists to explain TheVolumeSettingsFolder on OS X?

Searching Google for the following I only found uninformed crap. What is this? looris@Palace-of-the-Nine-Moons:/tmp $ tree /TheVolumeSettingsFolder/ /TheVolumeSettingsFolder/ └── HFSExtentTables ...
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1answer
183 views

How do I cat a deleted file which is still open by its inode?

I have deleted a file I still have open. I want to save that file. I know its inode number. I think that sleuthtools icat would work for me except for the following. $ sudo icat -f hfs /dev/disk0s2 ...
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2answers
3k views

What is a good HFS+ NAS or network HDD

I am wondering what would be a good, if any, NAS i can find with HFS+. My reason for wanting this is that I need the metainformation in the files to stay intact as I am dealing with a lot of OpenMeta ...
2
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3answers
5k views

How to fix “512 bytes per sector” to “4096 bytes per sector” for an “Advanced Format” 4K sector USB hard drive?

Mac OS X 10.7.4 has a Sharkoon Quickdeck Pro USB enclosure attached. That USB enclosure contains a 4TB Advanced Format hard drive which has 4096 bytes (4K) sector size. The drive is GPT/GUID ...
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2k 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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4answers
8k views

What are the sector sizes on Mac OS X?

I read on the HFS Plus Wikipedia page that the default sector size on a Mac is 512 b. However, I also read that Macs support 4kb sectors. How can I determine which I have, 512 b or 4 kb sectors? I ...
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1answer
189 views

sleepimage file size

I'm planning a clean install of my MacBook Pro with OS X 10.6 and I want to make a partition (among others) only for the sleepimage file. Here's the problem: the partition's size. I know that this ...
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1answer
203 views

Hot File Clustering with multiple partitions

I'm planning a performance-oriented clean install of OS X 10.6 and I was wondering if the hot file clustering feature will exists only on the boot partition or if there will be one for each partition ...
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1answer
416 views

Unable to play copied AVCHD

I have a Flash drive accessory for my camcorder which allows me to record to it as well as the SDHC cards it also uses as media. This Flash drive can be connected to a computer using a USB connection ...
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4answers
5k views

Creating an automated HFS+ compressed folder

I would like to set up an automated way for archiving files in OS X Lion. By archiving I mean using HFS+ compression feature on a specific folder, and make every file that I move into this folder ...