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partitioning and resizing hfsplus partitions
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raungst
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Joined: 20 Mar 2006
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Location: Denver, CO

PostPosted: Wed Mar 14, 2007 11:01 pm    Post subject: partitioning and resizing hfsplus partitions Reply with quote

My hard drive is currently one large hfs+ partition. I want to be able to resize this partition into two hfs+ partitions plus the requisite linux partitions. I've been able to use parted on the install CD to shrink the hfs+ partition, and also to create the linux partitions. I've been having the hardest time, however, trying to create the new hfs+ partition. I want to be able use this new partition to share data between my osx and gentoo installs. I've tried to do this before by using Disk Utility, but only managed to destroy the whole partition table.

At one point I had also tried using the instructions here http://gentoo-wiki.com/HOWTO_hfsplus#Creating_HFS.2B_Filesystems_with_mkfs.hfsplus with a working gentoo installation to create the hfs+ partition. It was recoginized by Gentoo, but not by OSX.

Does anyone have any ideas? Are there any other filesystem types that I could use to share data between osx and gentoo? I would really like to keep my current osx install as reformatting and starting over is never all that fun.

Thanks!
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IQgryn
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Joined: 05 Sep 2005
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Location: WI, USA

PostPosted: Thu Mar 15, 2007 1:29 am    Post subject: Reply with quote

Any FAT filesystem should be supported by both systems. Format it with mkfs.vfat, and be sure the partition type is set properly.
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hawaiian717
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PostPosted: Thu Mar 15, 2007 4:40 am    Post subject: Reply with quote

Why not just have a single HFS+ partition for both OS X and the shared data? It's not like NTFS which while preferred for Windows is pretty shaky in Linux. HFS+ seems to work fine in Linux, though I don't use it a lot, mostly just to copy a new kernel to /System Folder/Linux Kernels on my old-world machine.

FAT32 would work too, but you might have to deal with the weirdness of the ._ files that OS X creates on FAT32 partitions to deal with the lack of forks.
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raungst
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PostPosted: Thu Mar 15, 2007 1:40 pm    Post subject: Reply with quote

I guess thats a good point. I was planning on using mol. I always thought it was useful to have a partition to share because they can't be mounted at the same time. But I guess it really doesn't matter...
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hawaiian717
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PostPosted: Thu Mar 15, 2007 3:59 pm    Post subject: Reply with quote

That might be an issue. I don't have much experience with MOL -- I tried it once, couldn't get it to work and didn't bother since I don't have much need for it. I was thinking more of a dual-boot situation.
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quatsch
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Joined: 24 Apr 2005
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Location: New York, NY

PostPosted: Thu Mar 15, 2007 5:19 pm    Post subject: Reply with quote

fat32 works fine for sharing. I haven't had any problems with the ._ files.

you could also use NFS or Samba to share a mounted partition while both OSs are running.
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