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

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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 ...
1
vote
1answer
260 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 ...
2
votes
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 ...
9
votes
1answer
16k 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 ...
6
votes
1answer
4k 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 ...
2
votes
1answer
5k 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 ...
1
vote
0answers
253 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 ...
11
votes
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 ...
1
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1answer
2k 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
votes
1answer
589 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., ...
1
vote
1answer
90 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 ...
3
votes
3answers
10k 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 ...
13
votes
3answers
27k 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 ...