Status of support for 4KB disk sectors

Alexander Leidinger Alexander at
Tue Jul 19 20:58:14 UTC 2011

On Mon, 18 Jul 2011 16:41:24 -0700 Jeremy Chadwick
<freebsd at> wrote:

> But the currently "known method" is to use gnop(8).  Here's an
> example:
> Now, that's for ZFS, but I'm under the impression the exact same is
> needed for FFS/UFS.

Info: gnop will not work for FFS/UFS because gnop is a temporary
solution (needs to be done by hand at each reboot). For FFS/UFS you
need to align the slice/partition and chose a good blocksize/fragsize
combination (e.g. 32k/4k).


--    Alexander @ PGP ID = B0063FE7       netchild @  : PGP ID = 72077137

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