Sharing files across OS partitions

[Eric Dunbar]

On 24/07/06, Jason DeVita <jdevita at umich.edu> wrote:
> On Sun, 23 Jul 2006, Mark Christal wrote:
> > I am hoping to install a dual boot YDL/OSX system on my Ti Powerbook and was
> > wondering how work on the YDL side of the hard drive can be shared with work
> > on the Mac OS X side.  Will I be able to open up the Mac partition to
> > retrieve files when I am running YDL and  visa versa?  If not, is there a
> > partition scheme that I can create that would allow both OSs to read and
> > write to a shared partition?
>
> OSX uses HFS+ for its file system.  YDL has very good read/write support
> for HFS (plain vanilla non-plus).  And I know that HFS+ can be read from
> YDL, but I'm not sure if it can be written to.  Supposedly, there is now
> full linux support for HFS+, but I don't know if the newest YDL has it by
> default.  But if need be, it probably can be done.

YDL supports HFS+ out of the box. Just mount an HFS+ partition with -t
hfsplus as its format flag and you should be good to go.

> Otherwise, you can set up an HFS "sharing" partition, which both OSX and
> YDL can read/write from/to.  There are two downsides to this.  One is that
> HFS does not allow for files larger than 2GB, so if you need to transfer
> large files you'll need to find another way.  Second, you have to remember
> to put your files on the shared partition before rebooting.  I've let out
> many a "Doh!", after forgetting that.  Going from OSX to YDL, this is no
> big deal, since YDL can read HFS+.  But OSX cannot read Linux partitions,
> so you must remember this when going the other way.