Date: Mon, 29 Jun 2009 11:43:59 +0200 From: "Patrick M. Hausen" <hausen@punkt.de> To: FreeBSD Stable Mailing List <freebsd-stable@freebsd.org> Subject: Zpool on raw disk and weird GEOM complaint Message-ID: <20090629094359.GB24054@hugo10.ka.punkt.de>
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Hi, all, I have a system with 12 S-ATA disks attached that I set up as a raidz2: %zpool status zfs pool: zfs state: ONLINE scrub: scrub in progress for 0h5m, 7.56% done, 1h3m to go config: NAME STATE READ WRITE CKSUM zfs ONLINE 0 0 0 raidz2 ONLINE 0 0 0 da0 ONLINE 0 0 0 da1 ONLINE 0 0 0 da2 ONLINE 0 0 0 da3 ONLINE 0 0 0 da4 ONLINE 0 0 0 da5 ONLINE 0 0 0 da6 ONLINE 0 0 0 da7 ONLINE 0 0 0 da8 ONLINE 0 0 0 da9 ONLINE 0 0 0 da10 ONLINE 0 0 0 da11 ONLINE 0 0 0 errors: No known data errors We are currently tweaking kernel memory a bit but the on disk data and the hardware seem to be just fine. 7-STABLE, amd64, 4 GB of RAM. A couple of days ago, at each boot we saw this error message: GEOM: da0: corrupt or invalid GPT detected. GEOM: da0: GPT rejected -- may not be recoverable. There should not be any partition, MBR or GPT on the disks, I created the zpool on the raw devices. So I figure: Somehow zfs wrote some data to da0 that somewhat resembles a GPT partition table, so GEOM gets confused at boot time. Question is: can somebody confirm my guess? If yes should I just ignore the message, can it be disabled somehow (compile kernel without GPT?) or should zpools be created on slices instead of disks? Thanks for any hints, Patrick -- punkt.de GmbH * Kaiserallee 13a * 76133 Karlsruhe Tel. 0721 9109 0 * Fax 0721 9109 100 info@punkt.de http://www.punkt.de Gf: Jürgen Egeling AG Mannheim 108285
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