From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Heinz J . Mauelshagen" Subject: Re: [linux-lvm] bug: raid1 sub-devices are scanned too Message-Id: <20020223114712.A695@sistina.com> References: <20020223015504.GA828@xulfad.ton.tut.fi> MIME-Version: 1.0 In-Reply-To: <20020223015504.GA828@xulfad.ton.tut.fi>; from flux-lvm@inside.org on Sat, Feb 23, 2002 at 03:55:05AM +0200 Content-Transfer-Encoding: quoted-printable Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: Date: Sat Feb 23 04:47:02 2002 List-Id: Content-Type: text/plain; charset="iso-8859-1" To: linux-lvm@sistina.com Erkkhi, this is a bug in 1.0.3 with exported VGs. If you import your VG "mirror" again, you should be fine. Rather than imprting, "vgscan -f" should work as well. Will look into it. Regards, Heinz -- The LVM Guy -- On Sat, Feb 23, 2002 at 03:55:05AM +0200, Erkki Seppala wrote: > Whether the bugzilla is publicly open is unclear to me, atleast there > didn't seem to be a link there in sistina.com/lvm - or I didn't find > it. >=20 > Actually I'm not sure if there is a real reason to fix this, as it > would need making vgscan understand more about the raid-stuff, but it > sure does look confusing. Perhaps a generic facility to "blind out" > devices from it? Perhaps this kind of capability should be in the > kernel, not just for LVM.. >=20 > I recently had a problem with a volume group reusing an existing > logical volume number, but I resolved that, as vgscan suggested, with > vgexport/vgimport. However, this bug appeared: >=20 > vgscan -- reading all physical volumes (this may take a while...) > vgscan -- found active volume group "mirror" > vgscan -- found active volume group "ibm9" > vgscan -- found active volume group "archive" > vgscan -- found inactive volume group "mirrorPV_EXP" > vgscan -- ERROR: VG "mirrorPV_EXP" reuses an existing VG number; please= vgexport/vgimport that VG or use option -f > vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created > vgscan -- WARNING: This program does not do a VGDA backup of your volum= e groups >=20 > I imagine this is because /dev/md/1 is raid1 and consists of > /dev/ide/host0/bus1/target1/lun0/part1 and > /dev/ide/host0/bus0/target1/lun0/part1. Output of pvscan: >=20 > pvscan -- reading all physical volumes (this may take a while...) > pvscan -- ACTIVE PV "/dev/md/1" of VG "= mirror" [55.91 GB / 13.89 GB free] > pvscan -- inactive PV "/dev/ide/host0/bus1/target1/lun0/part1" is in = EXPORTED VG "mirror" [55.91 GB / 13.89 GB free] > pvscan -- inactive PV "/dev/ide/host0/bus0/target1/lun0/part1" is in = EXPORTED VG "mirror" [55.91 GB / 13.89 GB free] > pvscan -- total: 6 [311.82 GB] / in use: 5 [290.79 GB] / in no VG: 1 [2= 1.03 GB] >=20 > (some lines removed) >=20 > I run kernel 2.4.16 and LVM-tools from today's CVS. >=20 > Btw, during the original repairing I saw a situation where one of my > volume groups (archive) was twice in /proc/lvm/global. That's not > healthy, is it? I imagine it had something to do with the fact that > after scanning volume group "archive" it failed to scan volume group > "mirror" (due to the reuse-problem), and I kept trying different > stuff.. > =20 > -- > _____________________________________________________________________ > / __// /__ ____ __ Erkki Sepp=E4l=E4= \ \ > / /_ / // // /\ \/ //ircnet Modeemi Ry\ = / > /_/ /_/ \___/ /_/\_\@modeemi.fi http://www.modeemi.fi/~flux/ >=20 > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html *** Software bugs are stupid. Nevertheless it needs not so stupid people to solve them *** =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D- Heinz Mauelshagen Sistina Software Inc. Senior Consultant/Developer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen@Sistina.com +49 2626 141200 FAX 924446 =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-