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OpenSolaris Boot Support For ZFS Root FS on x86 and SPARC

Posted by timothy on from the devilish-wings-spread-wider dept.

Derkjan de Haan writes "I am glad to see progress is being made on the the ability of OpenSolaris to boot from a ZFS filesystem: 'This putback provides the ability to boot the Solaris Operating System from a ZFS root file system on both x86 and SPARC platforms. Full ZFS boot and install support will be available in a subsequent build. Because of the phased putback, we recommend waiting for the full boot and install support rather than attempting to use the ZFS boot features separately.'"

16 of 50 comments (clear)

  1. Am I missing something? by TheRaven64 · · Score: 3, Informative

    This is an article about System V UNIX, and it's in the BSD category and tagged bsd. WTF?

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    1. Re:Am I missing something? by ozamosi · · Score: 2, Funny

      I don't understand your problem. It is not about Linux, but one of those Linux clones. BSD, Solaris, that's just marketing anyway...

      ...right?

    2. Re:Am I missing something? by nevali · · Score: 2, Insightful

      Given that it doesn't state OpenSolaris in the title, I clicked through to this hoping that support had been added to one of the BSDs.

      OpenSolaris finally being able to boot from ZFS is cool, but⦠has dick-all to do with BSD :\

    3. Re:Am I missing something? by JamesTRexx · · Score: 3, Funny

      I hope you've got asbestos underwear, calling BSD and Solaris Linux clones. :-)

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    4. Re:Am I missing something? by yomegaman · · Score: 2, Informative

      You're thinking of the original SunOS. Solaris is SVR4.

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  2. Honk! Honk! by tripwirecc · · Score: 5, Informative

    The OpenSolaris distribution can already install ZFS root and boot, based on the previous putback. This current putback makes it more robust, especially when it comes to finding the root device after having been swapped to a different port. What's still missing is multidisk pool and RAID-Z boot support.

  3. Re:WTF is putback ? by d3vi1 · · Score: 4, Informative

    Sort of a checkin in Sun terms.

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  4. Booting isn't so interesting by bhima · · Score: 3, Interesting

    I don't think booting from ZFS is all that interesting. I think expanding a RAID-Z pool is far more interesting: http://blogs.sun.com/ahl/entry/expand_o_matic_raid_z

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    1. Re:Booting isn't so interesting by TheRaven64 · · Score: 2, Insightful

      The reason booting is important is twofold. First, it means that you can simplify your configuration by having all of all of your disks managed by the ZFS storage pool manager. Secondly, it means that you get all of the nice transactional features from ZFS on your boot partition. If you upgrade your kernel or some modules to a broken one (for example) then you can easily restore to a previous snapshot at the next boot.

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  5. Re:WTF is putback ? by TheGratefulNet · · Score: 4, Informative

    ob disc: I work at sun

    a 'putback' is just a formal way to submit your updated source code to a source code control system (what is called a 'gate').

    and in fact, the matching command is (yes, you guessed it) 'bringover'. seriously, it is.

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  6. Who cares about BSD... by Marcion · · Score: 2, Interesting

    ... when does Linux get ZFS?

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    1. Re:Who cares about BSD... by TheRaven64 · · Score: 4, Informative
      First, in spite of the section, this article has nothing to do with BSD - it is about Solaris, which is a System V derivative. FreeBSD also has ZFS support, but does not have more than very limited support for ZFS booting (and none in the stable release, I believe).

      As to when Linux will get support for ZFS, it requires one of two things to happen. Either Linux developers need to do a clean-room reimplementation of ZFS, or they need to modify their license to one that isn't incompatible with many other Free Software licenses , including the CDDL.

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    2. Re:Who cares about BSD... by aliquis · · Score: 2, Interesting

      http://zfs-on-fuse.blogspot.com/

      Except on fuse either when Sun goes GPL 2, or when both Sun and Linux goes GPL 3, or if Linux stop being GPL at all but uhm, yeah right ..

    3. Re:Who cares about BSD... by swordgeek · · Score: 2, Insightful

      Whenever the Linux zealots feel like putting down the "one-True-Holy-license" pitchforks and start to implement it.

      The code is out there. You're welcome to use it following the license under which it was released.

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  7. Re:WTF is putback ? by Anonymous Coward · · Score: 2, Funny

    What do they call a quarter pounder at Sun? A burgerpoundquarter?

    Big Mac's a Big Mac, but they call it JBigMac.

  8. Re:WTF is putback ? by OldManAndTheC++ · · Score: 2, Funny

    What do they call a quarter pounder at Sun? Solaris with Cheese.
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