ZFS on 7.0-RC1 SPARC64

[Marius Strobl]

On Fri, Feb 08, 2008 at 08:38:16AM +0100, Eirik verby wrote:
> On Feb 7, 2008, at 9:39 PM, Kris Kennaway wrote:
> 
> >Mark Linimon wrote:
> >>On Wed, Jan 23, 2008 at 11:37:03PM +0100, Anders Olstad wrote:
> >>>Oh.... The thought that zfs is not for the SPARC64 platform,  
> >>>hasn't  struck me yet. But there's no Java support for it  
> >>>either.... I  should've guessed it.
> >>There's no intentional slight of sparc64 here; I just don't think  
> >>that
> >>anyone has tested it yet.  I don't believe that the committer who did
> >>the work has access to a sparc64 machine.
> >>mcl
> >>_______________________________________________
> >>freebsd-sparc64 at freebsd.org mailing list
> >>http://lists.freebsd.org/mailman/listinfo/freebsd-sparc64
> >>To unsubscribe, send any mail to "freebsd-sparc64-unsubscribe at freebsd.org 
> >>"
> >
> >I tested it briefly but not much beyond verifying that it doesn't  
> >insta-panic :)
> 
> Our Ultra2 machine is behaving very well now, using both ZFS and Java  
> (!!) on FreeBSD.

Incredible! :)

> 
> We have two internal drives, mirrored using geom_mirror. This has  
> worked well all the time.
> 
> After csup'ing to 7-RC1-something, and brute-force-compiling ZFS, we  
> used the external A1000 SCSI disk "shelf" with 12x18gb drives to  
> create a zpool and a bunch of ZFS filesystems. Since then, we've  
> integrated ZFS quotas and limits with the jails (growing in  
> numbers..), without incident so far.
> 
> We've added another A1000 disk shelf that we'll probably set up as a  
> mirror of the current one, again using the z* tools.

Could you please give a zfs.ko built with the patch at:
http://people.freebsd.org/~marius/zfs_atomic_sparc64.diff
a try? In theory it should improve performance by not letting
the OpenSolaris compat code work around the lack of some atomic
operations.

> 
> Oh and Landon Fuller has been kind enough to spend a few days  
> compiling Java 1.6 for FreeBSD on the machine, so I believe (his  
> words) we are now running the worlds first Java-enabled FreeBSD/Sparc64.
> 

Could you please work with glewis@ to integrate the required
changes into the port?

Marius