A filesystem developed by Apple Inc. to extend HFS. Also known as "Mac OS Extended" "HFS Extended."
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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
29 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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2answers
348 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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1answer
44 views
Any risks in creating custom OS X extended attributes?
Is there any risk associated in creating your own custom extended file attributes? For instance:
should I be worried about naming collisions?
is there any file instability or increased risk of ...
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3answers
250 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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2answers
377 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 ...
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0answers
58 views
What documentation exists to explain TheVolumeSettingsFolder on OS X?
looris@Palace-of-the-Nine-Moons:/tmp $ tree /TheVolumeSettingsFolder/
/TheVolumeSettingsFolder/
└── HFSExtentTables
└── OVDBHDR4R6PVQJPJRE6QTLCBNS
├── 8PHMGCTSVNFUN915KNSCRDST3K
...
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2answers
559 views
Fixing up a HFS+ filesystem enough to rescue some files
I have a HFS+ formatted drive that just died on me. I have a back up but it's a about a week old. Unfortunately, I have a few files that I've changed and added since then that I would like to rescue ...
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2answers
457 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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0answers
217 views
Mac OS X Server: automount encrypted drive before login
I have a 4TB Mac OS Extended (Journaled, Encrypted) hard drive hanging off a Mac OS X Lion (soon to be Mountain Lion) Server that is dedicated to networked Time Machine backups.
I'd like to be able ...
2
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2answers
377 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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1answer
119 views
What is the Apple / OS X name for “Alternate Data Streams”?
On old Macs before OS X files already could have two "forks" - a data fork and a resource fork.
According to Wikipedia, at some point the HFS+ filesystem of OS X gained the ability to have an ...
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0answers
186 views
How can I encrypt a large external drive?
I am using a LaCie 3 TB internal drive in a Sharkoon Quickport. The dock is USB 3 and I'm on a retina MacBook Pro with Mountain Lion. The drive is encrypted with TrueCrypt.
OS X won't format the ...
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0answers
373 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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1answer
197 views
OS X: fsck_hfs unable to fix volume directory count
I'm running fsck_hfs on a very large volume. Unfortunately, there's an issue it appears to be unable to fix -- it reports it, loops back to start with Rechecking..., and reports it again, ad ...
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2answers
3k 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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0answers
119 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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2answers
2k 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 ...
4
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1answer
4k views
Change “ignore ownership on this volume” from the command line for Mac OS X volume
(This question is a spin-off of another question I asked on this site.)
New images always ignore owner/group
When creating a new disk image from Disk Utility it is automatically mounted. If you then ...
3
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1answer
1k views
Cannot change owner and group of file mounted disk image
I have an external disk which (for other reasons) is formatted using FAT32. On that disk I have created a sparse bundle image formatted using HFS extended (journaled). This image is then mounted on ...
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1answer
325 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 ...
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0answers
161 views
Can't write HFS+ in Mac OSX
I've an external HDD of 500GB and in HFS+ format. It works normally on my Mac running OS X 10.5.8. After I plugged it into a machine running Windows, I found a vacant partition of 128MB and formatted ...
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4answers
971 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 ...
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1answer
622 views
When is the GUID partition table (GPT) preferred over Apple partition map (APM) for external drives?
I have seagate external portable hard-drive 1 TB, and I will be using with following Mac's.
13" White MacBook (Intel Core 2 Duo) running Snow Leopard
13" MacBook Air (Intel Core i5) running Lion
iMac ...
3
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1answer
279 views
Format External Western Digital Drive to be used with only Mac
I recently ordered Western Digital My PassPort Essential. I will get it by tomorrow evening.
It comes pre-formatted using NTFS file-type.
I need to format it, to be used with My MacBook Pro (i.e., ...
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1answer
85 views
Question Regarding Bootcamp and Windows 7
I am possible going to install windows 7 on my iMac using the standard bootcamp setup and have a question about this setup.
I will store all of my large movies on the mac and will need good access to ...
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3answers
4k views
Which NAS for Mac users?
i work for a company with a 'Mac' department (they are creative/graphics).
At the moment they are using an old server mac with a shared Hard drive formatted in HFS+; i would like to buy a NAS with ...
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2answers
5k 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 ...
