Original question: 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.
Answer: Installing kernel patch 141444-09 (SPARC) or 141445-09 (x86) (included in a Live-update to Solaris 10 update 8) on my system showed the filesystem will 600GB more free space. I did not need to export/import or upgrade the pool...it was just available. Thanks to all who responded to this. -- Robert Loper
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