ExtFS for Mac FAQ

Please consult this official ExtFS for Mac FAQ guide:

Q:  I know that my drive is Ext2-formatted. Why is it shown as Ext3 in the program?

A:  This is a known issue. Our User Interface relates to information from Apple Disk Utility, which does not properly recognize the file system in the first place.
Therefore this is an macOS-related bug. It will be fixed in future releases in our App, but Disk Utility will still report wrong File System anyways.

Q: I need to change inode size to 128. How do I do this in the program?

A: Not possible at the moment. You can still change it from within Terminal application. Please follow the instructions below.

1. Install HomeBrew Software (http://brew.sh/): open Terminal (Applications – Utilities – Terminal) and type in the following:

ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)”

During the installation software will ask for downloading additional components.

2. This command will download and install e2fsprogs:

brew install e2fsprogs

3. To create ExtFS volume with custom inode size:

/usr/local/Cellar/e2fsprogs/1.42.11/sbin/mkfs.ext3 -I 128 device

or

/usr/local/opt/e2fsprogs/sbin/mkfs.ext3 -I 128 device

Also, you may find useful this article ‘How to: Find the inode size of an ext2 / ext3 filesystem’: http://www.cyberciti.biz/faq/linux-show-contents-of-filesystem-superblock-inode/

Q: Ext-formatted disk is not mounting/mounts read-only. What should I do?

A: There are some features, that may be present on the volume, which are currently not supported by ExtFS for Mac.

These are:

– bigalloc (will not mount);
– meta_bg (will not mount);
– quota (read-only);
– project (read-only).

To ensure, that the volume does not have upmentioned features, please collect FSDump of the volume and provide it to our Support Team.

How to collect FSDump in Mac: https://kb.paragon-software.com/article/33

Q: My volume contains LVM. Is it supported?

A: Yes, LVM configurations are supported by ExtFS for Mac. In case yours does not mount, please provide us with a FSDump using the link above.

ExtFS for Mac, HowTos, HowTos: Mac OS X, HowTos: Paragon, Know how: Mac OS X, KnowHow, Products for Mac OS X
Tags: extfs, ExtFS for Mac, FAQ, lvm

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