On Tue, Jan 18, 2005 at 01:32:10AM +0100, Erik Trulsson wrote: > On Mon, Jan 17, 2005 at 02:49:11PM -0800, Kris Kennaway wrote: > > On Mon, Jan 17, 2005 at 09:34:25PM +0100, Miguel Mendez wrote: > > > On Mon, 17 Jan 2005 11:13:43 -0800 > > > Kris Kennaway <[EMAIL PROTECTED]> wrote: > > > > > > Hi, > > > > > > > Do you have UFS_DIRHASH in your kernel? If you don't, or if you added > > > > it after the disk was already populated, you'll see the benefits if > > > > you dump, wipe and restore the disk. > > > > > > Could you elaborate on that? My impression has always been that dirhash > > > does all its magic in memory, without persistant data stored on disk. > > > > No. It's an optimized method for laying out the data on disk. I > > think you're confusing it with softupdates, but that still doesn't > > work entirely that way. > > No, this time it is you who are confused. UFS_DIRHASH does not affect > the layout on disk at all as far as I can tell. > You are probably confusing it with the dirpref changes that were made > back in 2001 at approximately the same time as UFS_DIRHASH was added.
Sorry, you're right! Kris
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