Re: [CFT] ZFS v15 patch (version 3)

If the target is FreeBSD 9 instead of 8.1, why not merge ZFS v19? 15
really doesn't give any major enhancements over 14 and FreeBSD 9 isn't
coming out any time.

19 would give much need log device removal and triple parity RAID-Z.
Both of which are well tested at this point via OpenSolaris.

-J

2010/7/5 Martin Matuska <mm_at_freebsd.org>:
> Dear FreeBSD community,
>
> there has been a ZFS-related discussion at the meetBSD conference in
> Krakow, Poland and we agreed to push ZFS version 15 (and not 16) to
> -CURRENT.
>
> An upgrade to version 16 gives us no valuable features (to be true, no
> features at all besides ability to import v16 pools).
> As ZFS v15 is already being used in the Solaris 10 enterprise world, we
> can consider it well-tested.
>
> The goal is to provide a filesystem compatible with Solaris 10 update 8,
> which may attract new users to FreeBSD.
> Existing users will get the userquota/groupquota features for ZFS and be
> able to import Solaris 10 update 8 pools.
>
> Import was done by walking through the path of bugfixes from Solaris 10,
> including pre-v15 bugfixes and almost all post-v15 bugfixes.
> Few patches are irrelevant to our code (Solaris-specific features) or
> modify the zvol part, these have been left out.
>
> I have prepared a new patch that includes almost all revision numbers
> Solaris 10 has integrated (we have several of the revisions already in
> our tree).
> Patch also includes updated manpages and may be considered as a
> candidate for head.
>
> Link to the patch information file, including all imported revisions,
> bug-ids and reference to Solairis 10 patch numbers:
> http://people.freebsd.org/~mm/patches/zfs/v15/head-v15-v3.html
> http://people.freebsd.org/~mm/patches/zfs/v15/head-v15-v3.txt
>
> Direct link to the patch:
> http://people.freebsd.org/~mm/patches/zfs/v15/head-v15-v3.patch
>
> The patch applies cleanly against head and stable/8.
>
> I am running a patched 8.1 (RC) without any problems so far.
> To patch 8.1 (RC), you need to apply revision 209274 from stable/8
> before the patch:
> http://people.freebsd.org/~mm/patches/zfs/v15/stable-209274.patch
>
> For full operation (commands zfs allow, unallow, userspace, grouspace)
> the python port must be installed, otherwise these comands don't work or
> have only limited functionality. The port will be added to the ports
> tree soon, you can download it from:
> http://people.freebsd.org/~mm/patches/zfs/v15/sysutils_py-zfs.tar.gz
>
> For people just wanting to try the new features, I am providing mfsBSD
> ISO's with ZFS-on-root install (don't forget the -V 15 flag to the
> "zfsinstall" command):
> http://mfsbsd.vx.sk/iso/8.1rc2-zfsv15-v3.iso (without symbols, 99 MB)
> http://mfsbsd.vx.sk/iso/8.1rc2-zfsv15-v3-debug.iso (with symbols, 188 MB)
>
> I would be very grateful for testing on different architectures, mainly
> on amd64, i386 and sprarc.
>
> Thank you for testing!
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