> Hi,
> 
> using VirtualBox I just tried to move an OpenSolaris 2008.05 boot 
> environment (ZFS) on a gzip-9 compressed dataset, but I have the 
> following error from grub:
> 
> Error 16: Inconsistent filesystem structure
> 
> Googling around I found the same error with ZFS boot and Xen in July 2007:
> 
> http://mail.opensolaris.org/pipermail/xen-discuss/2007-July/000961.html
> http://bugs.opensolaris.org/bugdatabase/printableBug.do?bug_id=6584697
> 
> That was fixed.. Is mine another bug?

This is because grub does not support booting from gzip-compressed 
datasets now. At this moment only LZJB algorithm is supported, please 
see decomp_table here:

http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/grub/grub-0.95/stage2/fsys_zfs.c#65

> BTW, using gzip-9 compression I got the whole OpenSolaris image in < 
> 815MB... The only issue is that it is not booting anymore ;-)

Adding support for gzip may be a candidate for community project.

Hth,
Victor
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