The Solaris 10 Update 8 has the fix for 6792701 included.  This is part
of kernel patches 141444-09 (sparc), 141445-09 (x86).   For OpenSolaris
build 118 or later contains the fix so in the development builds.  

This avoids future problems with the CR but if your currently effected
by the problem the fix doesn't clear the troubles.

I believe a backup of the data, then destroy of the file system, then
recreating it and restoring is method to clear the space.  With the
later kernel the problem is avoided in the future.

Geoff 


On Wed, 2010-03-03 at 10:14, Francois Napoleoni wrote:
> If you have a valid Solaris Support contract you can ask for the 
> corresponding IDR to fix this issue.
> 
> (Hi to Richard E. ... who must be boiling right now :) )
> 
> F.
> 
> Edward Ned Harvey wrote:
> > I don?t know the answer to your question, but I am running the same 
> > version of OS you are, and this bug could affect us.  Do you have
> any 
> > link to any documentation about this bug?  I?d like to forward
> something 
> > to inform the other admins at work.
> > 
> >  
> > 
> >  
> > 
> >  
> > 
> > *From:* zfs-discuss-boun...@opensolaris.org 
> > [mailto:zfs-discuss-boun...@opensolaris.org] *On Behalf Of *Robert
> Loper
> > *Sent:* Tuesday, March 02, 2010 12:09 PM
> > *To:* zfs-discuss@opensolaris.org
> > *Subject:* [zfs-discuss] Any way to fix ZFS "sparse file bug"
> #6792701
> > 
> >  
> > 
> > I have a Solaris x86 server running update 6 (Solaris 10 10/08 
> > s10x_u6wos_07b X86).  I recently hit this "sparse file bug" when I 
> > deleted a 512GB sparse file from a 1.2TB filesystem and the space
> was 
> > never freed up.  What I am asking is would there be any way to
> recover 
> > the space in the filesystem without having to destroy and recreate
> it?  
> > I am assuming before trying anything I would need to update the
> server 
> > to U8.
> > 
> > Thanks in advance...
> > 
> > -- 
> > Robert Loper
> > rlo...@gmail.com <mailto:rlo...@gmail.com>
> > 
> > 
> >
> ------------------------------------------------------------------------
> > 
> > _______________________________________________
> > zfs-discuss mailing list
> > zfs-discuss@opensolaris.org
> > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
> 
> -- 
> Francois Napoleoni / Sun Support Engineer
> mail  : francois.napole...@sun.com
> phone : +33 (0)1 3403 1707
> fax   : +33 (0)1 3403 1114
> 
> _______________________________________________
> zfs-discuss mailing list
> zfs-discuss@opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
-- 
Geoff Shipman - (303) 223-6266
Systems Technology Service Center - Operating System
Solaris and Network Technology Domain
Americas Systems Technology Service Center

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