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UFS, HFS+ to share files between OSX and Linux ?
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ruben
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PostPosted: Fri Aug 12, 2005 9:59 am    Post subject: UFS, HFS+ to share files between OSX and Linux ? Reply with quote

I've got a new iBook G4 since yesterday. (Apple replaced my old G3 which was constantly broken because of the logic board problem) It is my intention to try getting used to Mac OS X Tiger (because, after all, it is built on a decent BSD basis and second, my old G3 worked just perfectly with linux and this is not the case with the new G4, finally, third, i don't really have time to mess around to get linux to work), but i'd like to save some space in case i'd like to install linux in the future.

With that in mind, i'd like to put most of my data on a seperate partition that i could then mount on both OSX and Linux. Let me first say that i don't want to resort to FAT32 for this, i'd like to have a filesystem with ownership and permissions. At first, i thought that UFS would be perfect for this, since it that's what BSD uses, so i thought the linux kernel would support it. However, UFS write support is labelled "dangerous"... i'm a bit surprised about that, since it seems it could be supported very well if the BSD source can be used to write a linux driver (?) The linux kernel also has HFS and HFS+ support, i already know and used that before. I'm just wondering whether HFS+ read/write support is stable ? I remember reading something that journalled HFS+ is not supported ? Or that there simply is no journalling on linux ?

And on an additional note.... is it somehow possible to read the encrypted files (homedirs) (with FileVault) from OSX Tiger from within linux? (not using MOL btw, just a way to somehow mount it)
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Fugee47
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Joined: 25 Nov 2004
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PostPosted: Fri Aug 12, 2005 12:17 pm    Post subject: Reply with quote

hello,

i have no problem to access the hfs-partition of my mac os x installation. As share-folder i`m using the public-folder of my mac os x - User.
Up to now i have no problems ....
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kr3mliyn
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PostPosted: Sat Aug 13, 2005 1:30 am    Post subject: Reply with quote

Hey ruben,
I've had a similar dilemma (well, if the last poster was on the right track, then guess not).

I initially used http://sourceforge.net/projects/ext2fsx/ which mounted my ext3 Gentoo partition with or without permissions... then I upgraded to Mac OS X 10.4 Tiger... ext2fs doesn't support it (yet).

I'm currently reinstalling Gentoo (no matter what I do, it just wont BE... if only Ubuntu Breezy was stable...) and may just mount a specific folder on my Tiger partition, read/wrtie enable (edit your fstab) similar to this: -
Code:
hda4     /mnt/macosx     /hfsplus     user,defaults     0 0

...well, at least something to that effect, and make it your home directory... only a theory, but I had this kind of setup a short while back (whilst messing with Ubuntu, nice distro :D ).

Good luck and grep speed!


Last edited by kr3mliyn on Sun Aug 14, 2005 5:37 am; edited 1 time in total
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ruben
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PostPosted: Sat Aug 13, 2005 10:38 am    Post subject: Reply with quote

Thanks for the reactions, it seems I can just go ahead and use HFS+ then.

I know about ext2fs for OS X, but I don't really trust it, it looks too much like a hack to me.
I'd rather have something that OS X supports natively.

kr3mliyn,
What do you mean with the: reinstall Gentoo.. no matter what i do, it just won't "BE"?
I've tried Ubuntu too, and it is indeed very nice... but if you like Ubuntu, you might
wanna try "Debian testing", it has fairly recent software and has been very stable when
I used it for several weeks on my G3 before it broke down again.
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kr3mliyn
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PostPosted: Sun Aug 14, 2005 5:47 am    Post subject: Reply with quote

Quote:
What do you mean with the: reinstall Gentoo.. no matter what i do, it just won't "BE"?

Well, when I first tied Gentoo (a couple of hundred times), getting the kernel and yaboot configurations were my main problems.... now, getting the kernel up and running is pretty sound... but now I have problems emerging a fully fledged version of Gnome, when, not long ago, when I had a stable system in place, that was the last of my worries.

I know how to read FAQs and hate posting redundant questions (mostly because it seesm people wouldn't answer anyway), but I just feel such frustration with Gentoo on the PPC.
There ALWAYS seems to be something that won't give, and it's made me, on many occasions, consider just not bothering with thi distro at all, it just seems to much hassle sometimes... but on the note, I love Linux.

I would really like to have Airport Extreme running in Linux on my iBook (https://forums.gentoo.org/viewtopic-t-365647.html), and the ability to get a junk piece of USB wireless hardware working with my iBook also sounds great... just feels like a waste of time at most.

Not flamebaiting, just either need to improve my level of tolerance, or live without the above.
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ruben
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PostPosted: Mon Aug 15, 2005 10:23 am    Post subject: Reply with quote

I love Linux too :) But i understand your frustration; when things don't work like they should or when something isn't supported on linux then it's very annoying. Personally, i never had problems with Gentoo on my old laptop (all hardware was supported), and neither did i with Debian. But normally, people are very helpful on the gentoo forums (well, as long as you search the forums to see whether your question hasn't been answered before), i'd be surprised if people wouldn't try to help. Of course, in the end you should use the distro you feel most comfortable with. I hope that in time, the G4 iBooks are fully supported on linux...
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Cenrim
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PostPosted: Mon Aug 15, 2005 12:01 pm    Post subject: Reply with quote

got a HFS+-partition, /data, for this purpose, works fine
but sometimes, after a (mostly pbbuttonsd-induced) crash I have to check the partition with OS X's disk utility to mount it rw again
i didn't find a linux tool for this.. something like a hfschk

a workaround is to unmount the partition, start MOL, check it with the disk utility, shut down MOL and mount it again
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ruben
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PostPosted: Mon Aug 15, 2005 1:52 pm    Post subject: Reply with quote

ok, thanks... i made a separate HFS+ partition for my data.
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