Date: Wed, 22 Aug 2012 15:29:05 +0200 From: Flemming Jacobsen <fj@batmule.dk> To: freebsd-fs@freebsd.org Cc: freebsd-geom@freebsd.org Subject: Re: `zpool create' fails on geli ... Message-ID: <20120822132905.GA53612@wonko.batmule.dk> In-Reply-To: <20120822123535.0385f118@fabiankeil.de> References: <20120821190742.54449@relay.ibs.dn.ua> <CAHsZcQHgjFGCo8cTUvGMQzP2a0kiYKyP3vORVrqs9GrYbBikXg@mail.gmail.com> <20120822132440.24864@relay.ibs.dn.ua> <20120822123535.0385f118@fabiankeil.de>
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Fabian Keil wrote: > Zeus Panchenko <zeus@ibs.dn.ua> wrote: > > geli init -K /path/key -s 4096 -e aes-xts /dev/adaX > > Does your disk actually use 4k sectors? Otherwise it's not clear > to me that "-s 4096" makes sense when using ZFS. > > I'm not claiming that it's obviously wrong, but I'm not aware of > any benchmarks that show that it's better than the default in > any way. It is my understanding that creating a 4K setup will prepare you for the day when your replacement drive is a 4K one. No benefit today, but also no real performance hit. And we avoid a real performance hit later. If I am mistaken, then I wold love to hear about it. Regards, Flemming -- Flemming Jacobsen Email: fj@batmule.dk "I don't need The Media to tell me that I should be outraged about a brutal murder. All I need is to be informed that it has happened, and I'll form my own opinion about it." -- The_Morlock (http://slashdot.org/comments.pl?sid=00%2F02%2F21%2F1125208)
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