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Summary:

Monday, Amit Singh and team announced the release of MacFUSE 2.0 at a Google Open Source Developers speakers series. MacFUSE 2.0, based on the FUSE (filesystem in userspace) project that is popular with the Linux crowd, is a major update to the framework that provides support for […]

Monday, Amit Singh and team announced the release of MacFUSE 2.0 at a Google Open Source Developers speakers series. MacFUSE 2.0, based on the FUSE (filesystem in userspace) project that is popular with the Linux crowd, is a major update to the framework that provides support for alternate filesystems like NTFS in Mac OS X. The visible change to MacFUSE 2.0 is the addition of a new preference pane in System Preferences to make it simpler for end users to update MacFUSE or remove it entirely.

The significant changes are under the hood and are of interest to developers that are looking to create support for new filesystems. MacFUSE 2.0 adds experimental support for Snow Leopard and 64-bit systems (Leopard only), allows for Dtrace support for performance tuning, new Xcode project templates to help devs get started, debugging hooks and new function calls. You can get the full details in the changelog.

If you aren’t familiar with MacFUSE (or FUSE in general), this software extends the filesystem support that is built into the Mac OS X kernel by acting as a bridge between the operating system and non-native filesystems. MacFUSE understands all the access methods and rules for working with a particular filesystem and then presents that information so that it looks like and works like a regular volume in OS X. MacFUSE does not include support for any particular filesystems out of the box, it is a framework that allows developers to write “drivers” for filesystems. The interesting thing about this framework is that it allows for presenting all kinds of information as a filesystem so that it shows up in the Finder as folders and files, when the original data might be available via SSH, FTP, iTunes, Spotlight searches and so on.

The most common use of MacFUSE is to provide support for NTFS volumes by using NTFS-3G for Mac. OS X has read-only support for NTFS volumes built-in, but this precludes you from writing anything to a NTFS-formatted drive, including the Boot Camp partition on your Mac. MacFUSE and NTFS-3G give you full access to these volumes.  Follow the userguide to install the NTFS driver.

If you’re interested in writing your own filesystem driver for MacFUSE, you can see Amit Singh’s example of a virtual 512TB file to start learning. Keep your eye on the MacFUSE Google Group to see when the video of the introduction is available online as Amit Singh walked through some examples during his presentation as well.

By Weldon Dodd

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  1. Matthew Bookspan Wednesday, December 10, 2008

    Weldon – have you tried this with VMWare? Do you know if it works?

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  2. Are you trying to access a VMware Fusion virtual disk file? Or are you trying to access a Boot Camp partition that you have been using with VMware Fusion?

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  3. Matthew Bookspan Wednesday, December 10, 2008

    The former.

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  4. [...] This week, Amit Singh and team announced the release of MacFUSE 2.0 at a Google Open Source Developers speakers series. MacFUSE 2.0 is based on the FUSE (filesystem in userspace) project that is popular with the Linux crowd. It’s a major update to the framework that provides support for alternate filesystems like NTFS in Mac OS X, and caters to developers who want to work with new filesystems. One very visible change to MacFUSE 2.0 is the addition of a new preference pane in System Preferences. This makes it simpler for end users to update MacFUSE or remove it entirely. It also adds experimental support for Snow Leopard and 64-bit systems (Leopard only), allows for Dtrace support for performance tuning, new Xcode project templates, and debugging hooks. Check out the full story at TheAppleBlog. [...]

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  5. VMware Fusion has not been updated to mount .vmdk files. This feature is available on Linux (and Windows?). Parallels has an application called “Parallels Explorer” that lets you mount and browse their VM drives. I’d love to see this feature on the Mac myself.

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  6. Turns out that I was unaware of VMDK Mounter, which allows you to mount a Fusion VM virtual disk. The VM has to be shut down (not suspended or running) but it works perfectly. Just right-click on the virtual machine file and select “Open With: VMDK Mounter.app”

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  7. [...] it can be hard to get to the Windows files when you are in the Mac side unless you install MacFUSE to read the NTFS [...]

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  8. [...] it can be hard to get to the Windows files when you are in the Mac side unless you install MacFUSE to read the NTFS [...]

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