Date: Wed, 1 Apr 2015 07:54:19 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: Daniel Eischen <deischen@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: Trying to clone a ZFS drive, can't get ashift=12 Message-ID: <2706C67D-9E00-434E-A295-B8FF5AE8DE30@FreeBSD.org> In-Reply-To: <Pine.GSO.4.64.1504010016170.26089@sea.ntplx.net> References: <Pine.GSO.4.64.1504010016170.26089@sea.ntplx.net>
next in thread | previous in thread | raw e-mail | index | archive | help
--Apple-Mail=_5AA92C1F-EFFB-4B3E-B56A-F4644C6E715E Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii On 01 Apr 2015, at 06:30, Daniel Eischen <deischen@FreeBSD.org> wrote: > > I have an Oracle (nee Sun) X4-2 server with identical 300GB SAS > drives. I did an MBR ZFS install from FreeBSD 10.1-RELEASE CD > and have it updated to p6: ... > # zpool create -o cachefile=/tmp/newpool.cache bootpoolNew label/boot0 > # zdb -U /tmp/newpool.cache | grep ashift > ashift: 9 > > What gives? How do I get it to use 4k? sysctl vfs.zfs.min_auto_ashift=12 And also put that in your /etc/sysctl.conf. I don't know why it isn't the default yet... :) -Dimitry --Apple-Mail=_5AA92C1F-EFFB-4B3E-B56A-F4644C6E715E Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.27 iEYEARECAAYFAlUbiBYACgkQsF6jCi4glqObfgCgrJPxBz1HS29+BhQGRwEFsmoK uykAoNCSdhz5f0dBREn6qMGjhmqoNk4R =xJpw -----END PGP SIGNATURE----- --Apple-Mail=_5AA92C1F-EFFB-4B3E-B56A-F4644C6E715E--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?2706C67D-9E00-434E-A295-B8FF5AE8DE30>