From mboxrd@z Thu Jan 1 00:00:00 1970 From: jlcenter@comcast.net Subject: Fwd: grub-probe seems to be having problems Date: Thu, 22 Mar 2012 02:27:17 +0000 (UTC) Message-ID: <529358656.324923.1332383237382.JavaMail.root@sz0019a.westchester.pa.mail.comcast.net> References: <4F685BC2.1030008@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <4F685BC2.1030008@gmail.com> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Any takers? -John ----- Forwarded Message ----- =46rom: "Vladimir '=CF=86-coder/phcoder' Serbinenko" To: "Lennart Sorensen" Cc: "The development of GRUB 2" , "Marco d'Itri" Sent: Tuesday, March 20, 2012 6:28:18 AM Subject: Re: grub-probe seems to be having problems On 19.03.2012 22:28, Lennart Sorensen wrote: > On Fri, Mar 09, 2012 at 03:37:57PM -0500, Lennart Sorensen wrote: >> Interestingly after poking at reading all the disks and poking mdadm >> --examine and --detail, now grub-prob likes md1, but still dislikes = md0. >> >> root@rceng03new:/tmp# /usr/sbin/grub-probe --device-map=3D --target=3D= abstraction --device /dev/md1 >> diskfilter mdraid1x raid5rec >> root@rceng03new:/tmp# /usr/sbin/grub-probe --device-map=3D --target=3D= abstraction --device /dev/md0 >> /usr/sbin/grub-probe: error: Couldn't find physical volume `(null)'.= Check your device.map. >> >> md1 was failing before with the same grub code. >> >> I don't get it. I wonder if there is any known issues in 2.6.32 ker= nel >> and/or mdadm - v3.1.4 - 31st August 2010 > Any suggestion for how to try and debug this myself, like which > file/function to start debuging at? I would like to put this machine > in to production use soon, but I would also like to take this chance = to > fix the bug in grub first. There is no need to debug. I know exactly why GRUB is confused: because= =20 as far as my understanding goes the superblock makes no sense (details=20 in previous mail). What we need is that someone familiar with md tells=20 me how this sector should be interpreted. --=20 Regards Vladimir '=CF=86-coder/phcoder' Serbinenko _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html