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Uptake of native Linux ZFS port hampered by licence conflict 
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Joined: Thu Apr 23, 2009 6:36 pm
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A group of open source software developers working at Lawrence Livermore National Laboratory (LLNL) have implemented a native Linux port of Sun's ZFS filesystem. Although the code is functional and available for download (but not production-ready yet), it cannot be merged upstream or shipped in binary form with the Linux kernel due to a licensing conflict. Sun distributes the OpenSolaris source code under its own Common Development and Distribution License (CDDL), which is incompatible with GNU's General Public License (GPL).


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"We have been working on this for some time now and have been strongly urging Sun/Oracle to make a change to the licensing," he wrote. "I'm sorry to say we have not yet had any luck. However, we did feel it was time to move our efforts to a public forum."


Why not change the license to the Linux kernel? Oh wait, the GPL removes the freedom to do such a thing!


Wed Jun 09, 2010 10:18 am
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For many months Apple were alleged to be working on ZFS support, if not full implementation, for Snow leopard. Only to withdraw late in the day over these licensing issues.


Wed Jun 09, 2010 12:27 pm
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From what I made of it, it wasn't that Apple couldn't make it work due to the licences, it was because Apple wanted the license tweeked (possibly something to do with the Oracle take over), but Sun/Oracle refused...

The CDDL licensing isn't a problem for Apple, if it was OS X wouldn't have DTrace (in the form of instruments).


Wed Jun 09, 2010 12:37 pm
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The Linux people are very much up themselves with the GPL. :(

I like Linux, but a lot of things which are useful or needed aren't available under GPL, so it doesn't get included in the Kernel or some distributions.

The licence, for me, is pretty irrelevant. I just want the bloody thing to work!

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Wed Jun 09, 2010 1:27 pm
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