Date: Thu, 29 Aug 2013 11:44:58 +0100 From: krad <kraduk@gmail.com> To: kpneal@pobox.com Cc: FreeBSD FS <freebsd-fs@freebsd.org> Subject: Re: exictent zroot re-alignment to 4K Message-ID: <CALfReydhe8NOqwtLHWXwxbPG2dttAqKFrASqXGhbr6dAaQgRtw@mail.gmail.com> In-Reply-To: <20130828142546.GA16523@neutralgood.org> References: <20130827181127.24761@relay.ibs.dn.ua> <20130827172727.GA73465@neutralgood.org> <CALfReycZNfMxxT5x1%2BJ8eNDEt3xMXRjQBawL-0nW3aRVAT9i_g@mail.gmail.com> <20130828112444.5123@relay.ibs.dn.ua> <CALfReyd616TkqXnPXCuFFWLpK=xD9YcmuFA4=Vcv8kUVa38R6w@mail.gmail.com> <20130828142546.GA16523@neutralgood.org>
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I havent tested that myself does that mean you can have ashift=9 for your 1st raidz(23)* vdev and ashift=12 for the 2nd in a striped raidz(23)* setup? If so does the same apply in a mirror? On 28 August 2013 15:25, <kpneal@pobox.com> wrote: > On Wed, Aug 28, 2013 at 11:47:51AM +0100, krad wrote: > > you cant mirrir if your ashift=9 as its a pool level thing > > Well, strictly speaking the ashift is per-vdev. > > Of course, if you only have a single disk and therefore only have > a single vdev then the distinction doesn't matter. It does matter > when adding new vdevs to an existing pool. > > > On 28 August 2013 09:24, Zeus Panchenko <[1]zeus@ibs.dn.ua> wrote: > > > > krad <[2]kraduk@gmail.com> wrote: > > > is it just an alignment problem or are you ashift=9 (zdb zroot | > grep > > > ashift) as well? If you are already ashift=12, > > > > yes, I am ashift=9 and it is the very cause I decided to re-allocate > > the > > partition ... > -- > Kevin P. Neal http://www.pobox.com/~kpn/ > > "I like being on The Daily Show." - Kermit the Frog, Feb 13 2001 >
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