James Dickens wrote:


On 11/6/06, Yuen L. Lee <[EMAIL PROTECTED]> wrote:
I'm curious whether there is a version of Linux 2.6 ZFS available?
Many thanks.

sorry there is no ZFS in Linux, and given current stands of Linus Torvalds and the current Kernel team there never will be, because Linux is GPLv2 and it is incompatible with ZFS that is released under the CDDL license. The closest possibility to getting ZFS in Linux is through the FUSE project that is porting ZFS to userland that runs inside Linux but is not in the kernel so not limited by the license argument.
Just in case it isn't mentioned by someone else, many of the OpenSolaris folks would probably encourage you, Yuen, to bring this up with the Linux kernel folks.  Obviously, things like filesystems are very useful to have implementations of on many platforms (i.e. people should own their data, their operating systems shouldn't). 

I'm not an expert (nor am I offering legal advice), but my understanding of GPLv2 is the copyright holder can explicitly state exceptions on linking, so they could allow linking with ZFS even though it's under the CDDL.  Linux, when run on say something like a mainframe, already does link with non-GPL modules.

So my understanding is it's not a legal issue or technical issue (other than that pesky porting), but more of a whether-or-not-people-want-it.  So if you want it, you should ping the appropriate Linux folks.

Of course its probably easier just to run Solaris Express it should have most of your favorite Linux applications allready ported, if not you can use Brandz that allows you to run most Linux apps/excutables in a Zone inside Solaris.

James Dickens
uadmin.blogspot.com

 

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