Date: Sun, 29 Jan 2012 03:50:46 -0500 From: Jason Hellenthal <jhell@DataIX.net> To: Randy Bush <randy@psg.com> Cc: FreeBSD FS <freebsd-fs@freebsd.org> Subject: Re: trying to whack a glabel for a zfs mirror Message-ID: <20120129085045.GA26210@DataIX.net> In-Reply-To: <m262fvrnw8.wl%randy@psg.com> References: <m2ipjvrxko.wl%randy@psg.com> <m262fvrnw8.wl%randy@psg.com>
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[-- Attachment #1 --] On Sun, Jan 29, 2012 at 04:03:35PM +0900, Randy Bush wrote: > as usual, i am a bit clueless here. > > NAME STATE READ WRITE CKSUM > tank DEGRADED 0 0 0 > mirror DEGRADED 0 0 0 > label/m00-d01 REMOVED 0 0 0 > label/m00-d00 ONLINE 0 0 0 > mirror ONLINE 0 0 0 > label/m01-d00 ONLINE 0 0 0 > label/m01-d01c ONLINE 0 0 0 > mirror ONLINE 0 0 0 > label/m02-d00c ONLINE 0 0 0 > label/m02-d01c ONLINE 0 0 0 > mirror ONLINE 0 0 0 > label/m03-d00 ONLINE 0 0 0 > label/m03-d01c ONLINE 0 0 0 > mirror ONLINE 0 0 0 > label/m04-d00 ONLINE 0 0 0 > label/m04-d01 ONLINE 0 0 0 > mirror ONLINE 0 0 0 > label/m05-d01 ONLINE 0 0 0 > label/m05-d00 ONLINE 0 0 0 > > Geom name: da2s3 > Providers: > 1. Name: label/m00-d01 > Mediasize: 1965957073408 (1.8T) > Sectorsize: 512 > Mode: r0w0e0 > secoffset: 0 > offset: 0 > seclength: 3839759909 > length: 1965957073408 > index: 0 > Consumers: > 1. Name: da2s3 > Mediasize: 1965957073920 (1.8T) > Sectorsize: 512 > Mode: r0w0e0 > > # zpool attach tank label/m00-d00 label/m00-d01 > cannot use '/dev/label/m00-d01': must be a GEOM provider or regular file > > # glabel label m00-d01 /dev/da2s3 > glabel: Can't store metadata on /dev/da2s3: Invalid argument. > > # sysctl kern.geom.debugflags=17 > kern.geom.debugflags: 0 -> 17 > > # dd if=/dev/zero of=/dev/da2s3 > dd: /dev/da2s3: Invalid argument > > randy Once again the use of glabel(8) that causes and can cause loss of data within ZFS disks... DO NOT USE GLABEL! it is not a solution that you are looking for and in the long run you will shoot yourself in the foot for using it. What you are seeing is glabel blatently refusing to write meta-data to parts of the disk where something may already exist. This is a good thing. In turn use something like gpart(8) to adjust the gpt label and/or set your disks up properly. This is not the same thing as glabel(8) which in turn is a hack and not a solution and severely needs to be shot into outerspace from world. -- ;s =; [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJPJQhlAAoJEJBXh4mJ2FR+NioIAI8SFSdoGJ6Y5Q/tfh9s1c+g TiEcBX9O0mr977m/MJa91WQHscVlMI37vCrA81lVBnJmAA0sWhem+r8rgqm+K2Cb L/hm/bc61iN5wtRrYkuXRrGHyFr5m+xn5LHhovNZ043FilJi/P8oJH31cmx5kYL+ B/pNzN0jnxPxUMMkjE6rvJDOdkBWzEaa+xddER6Wqkb/adsubqN4fdKg3tHa0rxK e70s9D5zviaPxMvd226e5pfBMi7Jyl7gNo2xjHvUEsBgFOO/OxvULWTt8LZgaDaO 2xmfiEYoWTkk5OiCYBp51kN0Vt37LgSHN074fdBBQYn1jS90c2I1lm4t7WuieNU= =sZQM -----END PGP SIGNATURE-----help
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