On Mon, 21 Sep 2009 17:13:26 -0400 Richard Elling <richard.ell...@gmail.com> wrote:
> OK, so the problem you are trying to solve is "how much stuff can I > place in the remaining free space?" I don't think this is knowable > for a dynamic file system like ZFS where metadata is dynamically > allocated. Yes. And I acknowledge that we can't know that precisely; I'm trying for an estimate on the bound. > You don't know the max overhead for the file before it is allocated. > You could guess at a max of 3x size + at least three blocks. Since > you can't control this, it seems like the worst case is when copies=3. Is that max with copies=3? Assume copies=1; what is it then? -- Andrew Deason adea...@sinenomine.net _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
