From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Evans Subject: Re: mdadm 3.1.1: level change won't start Date: Sun, 20 Dec 2009 20:10:31 -0800 Message-ID: <4877c76c0912202010v4a4d6afdl97e3a1324c1b0569@mail.gmail.com> References: <73e903670912201941q44dae7b0t455d1a94f13f5c31@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <73e903670912201941q44dae7b0t455d1a94f13f5c31@mail.gmail.com> Sender: linux-raid-owner@vger.kernel.org To: =?ISO-8859-1?Q?Kristleifur_Da=F0ason?= Cc: linux-raid , Neil Brown List-Id: linux-raid.ids On Sun, Dec 20, 2009 at 7:41 PM, Kristleifur Da=F0ason wrote: > Hi all, > > I wish to convert my 3-drive RAID-5 array to a 6-drive RAID-6. I'm on > Linux 2.6.32.2 and have mdadm version 3.1.1 with the 32-bit-array-siz= e > patch from here: http://osdir.com/ml/linux-raid/2009-11/msg00534.html > > I have three live drives and three spares added to the array. When I > initialize the command, mdadm does the initial checks and aborts with > a "cannot set device shape" without doing anything to the array. > > Following are some md stats and growth command output: > > ___ > > $ cat /proc/mdstat > Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] > [raid4] [raid10] > md_d1 : active raid5 sdd1[6](S) sdc1[5](S) sdb1[4](S) sdf1[1] sde1[0]= sdl1[3] > =A0=A0=A0=A0=A0 2930078720 blocks super 1.1 level 5, 256k chunk, algo= rithm 2 [3/3] [UUU] > =A0=A0=A0=A0=A0 bitmap: 1/350 pages [4KB], 2048KB chunk > > $ mdadm --detail --scan > ARRAY /dev/md/d1 metadata=3D1.01 spares=3D3 name=3Dmamma:d1 > UUID=3Dda547022:042a6f68:d5fe251e:5e89f263 > > $ mdadm --grow /dev/md_d1 --level=3D6 --raid-devices=3D6 > --backup-file=3D/root/backup.md1_to_r6 > mdadm: metadata format 1.10 unknown, ignored. > mdadm: metadata format 1.10 unknown, ignored. > mdadm level of /dev/md_d1 changed to raid6 > mdadm: Need to backup 1024K of critical section.. > mdadm: Cannot set device shape for /dev/md_d1 > mdadm: aborting level change > ___ > > > Three questions - > > 1. What does the stuff about "metadata format 1.10 unknown" mean? > Notice the "super 1.1" vs. "metadata 1.01" vs. "metadata format 1.10" > disrepancy between mdsat, --detail and --grow output. > > 2. Am I doing something wrong? :) > > 3. How can I get more info about what is causing the failure to > initialize the growth? > > Thanks! > > -- Kristleifur > > > (P.s., I'm cc-ing this directly to Neil Brown as the maintainer of > mdadm. I hope that isn't rude of me.) > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid"= in > the body of a message to majordomo@vger.kernel.org > More majordomo info at =A0http://vger.kernel.org/majordomo-info.html > I thought there were three metadata variants for 1.x: 1.0 1.1 and 1.2 Maybe the extra 1 or 0 at the end refers to a reshape in progress? -- 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