Date: Mon, 29 Jun 2009 13:11:16 +0200 From: =?ISO-8859-1?Q?Marius_N=FCnnerich?= <marius@nuenneri.ch> To: "Patrick M. Hausen" <hausen@punkt.de> Cc: FreeBSD Stable Mailing List <freebsd-stable@freebsd.org> Subject: Re: Zpool on raw disk and weird GEOM complaint Message-ID: <b649e5e0906290411n7b501affhfaec1cf1469073ff@mail.gmail.com> In-Reply-To: <20090629094359.GB24054@hugo10.ka.punkt.de> References: <20090629094359.GB24054@hugo10.ka.punkt.de>
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On Mon, Jun 29, 2009 at 11:43, Patrick M. Hausen<hausen@punkt.de> wrote: > Hi, all, > > I have a system with 12 S-ATA disks attached that I set up > as a raidz2: > > %zpool status zfs > =A0pool: zfs > =A0state: ONLINE > =A0scrub: scrub in progress for 0h5m, 7.56% done, 1h3m to go > config: > > =A0 =A0 =A0 =A0NAME =A0 =A0 =A0 =A0STATE =A0 =A0 READ WRITE CKSUM > =A0 =A0 =A0 =A0zfs =A0 =A0 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0raidz2 =A0 =A0ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0 0 > =A0 =A0 =A0 =A0 =A0 =A0da0 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0 =A0da1 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0 =A0da2 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0 =A0da3 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0 =A0da4 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0 =A0da5 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0 =A0da6 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0 =A0da7 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0 =A0da8 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0 =A0da9 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0 =A0da10 =A0 =A0ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 0 > =A0 =A0 =A0 =A0 =A0 =A0da11 =A0 =A0ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0= 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? Hi, could you post the output of dd if=3D/dev/da0 count=3D1 | hd
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