Date: Thu, 31 Dec 2009 22:57:39 +0100 From: Roland Smith <rsmith@xs4all.nl> To: George Hartzell <hartzell@alerce.com> Cc: freebsd-stable@freebsd.org Subject: Re: ZFS and disappearing glabels Message-ID: <20091231215739.GA49850@slackbox.xs4all.nl> In-Reply-To: <19261.3612.150477.365986@gargle.gargle.HOWL> References: <19261.3612.150477.365986@gargle.gargle.HOWL>
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--0F1p//8PRICkK4MW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Dec 31, 2009 at 12:48:28PM -0800, George Hartzell wrote: >=20 > I've set up a system as described here. >=20 > http://wiki.freebsd.org/RootOnZFS/ZFSBootPartition >=20 > Using the 8.0 Release DVD and then csup'ing to RELENG_8 and > rebuilding. >=20 > I set it up with a single drive, the only change that I made was that > after creating ad10s1a I glabeled it as disk0, then added > /dev/label/disk0 to the pool. >=20 > That worked great. >=20 > Then I added a second larger drive, giving it an MBR, a bsd label, and > an s1a partition that I glabeled as disk1. I attached that to the > pool and it resilvered happily. >=20 > However, when I rebooted I found that the pool now consists of > label/disk0 and ad12s1a. I detached ad12s1a, relabeled it as disk1, > and attached disk1 to the pool again. It resilvered fine. Running > strings on /boot/zfs/zpool.cache shows /dev/label/disk0 and > /dev/label/disk1. =20 How did you create the labels? See glabel(8) about the difference between t= he "manual" and "automatic" method. Maybe you accidentally used the manual met= hod on the second disk? Or it could be that the GEOM metadata is overwritten. This metadata is writ= ten in the last sector, explaining the size difference you noticed. If the meta= dat is overwritten, GEOM will not recognize it. Roland --=20 R.F.Smith http://www.xs4all.nl/~rsmith/ [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725) --0F1p//8PRICkK4MW Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAks9HlMACgkQEnfvsMMhpyWBUACgrEOiwyfxaLdk5uN4k6T9irRI Df8AnRz20p8Rpx+Ig+Y7ri1b0adNX1fL =+gNV -----END PGP SIGNATURE----- --0F1p//8PRICkK4MW--
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