On Sun, 16 Sep 2012 01:32:06 +0200 Markus Irle <tha.bear@xxxxxxxxx> wrote: > Hi guys, > > Thanks for your help. > > On Mon, Sep 10, 2012 at 1:13 AM, NeilBrown <neilb@xxxxxxx> wrote: > > On Sat, 08 Sep 2012 22:52:18 -0400 Phil Turmel <philip@xxxxxxxxxx> wrote: > > **snip** > > >> Until recently, due to a long-standing bug, devices larger than 2T were > >> not usable with v0.90 meta-data. I don't remember precisely when that > >> bug was fixed, but I believe it was in the past year. There are also > >> potential identification problems with v0.90 when used on the last > >> partition of a device, but you have a misalignment warning that would > >> prevent that. > > > > The bug was fixed in 3.1-rc6, (commit 27a7b260f71439c40546) > > I'm running 3.2 (3.2.0-31-generic, latest in current Ubuntu release 12.04) now. Sorry, I got that wrong. That commit is the one that introduced the bug. It's fixed by 667a5313ecd7308d which will be in 3.6, and is being back-ported to most -stable kernels, thought it doesn't seem to have arrived in any yet. Maybe you can ask Ubuntu to provide a kernel containing that commit? Or compile your own? Or find a kernel older than 3.2... NeilBrown > > >> You should see that the used dev size is very close to 2TiB less than > >> the actual size of your devices. > >> > >> First, try the latest stable mainline kernel that you can. That should > >> let you back up your data. > > Unfortunately nothing's changed. > > The array still thinks it's small: > [ 1.693557] --- level:5 rd:3 wd:3 > [ 1.693559] disk 0, o:1, dev:sdb1 > [ 1.693561] disk 1, o:1, dev:sdd1 > [ 1.693562] disk 2, o:1, dev:sde1 > [ 1.693593] md2: detected capacity change from 0 to 1603139141632 > > and the vg doesn't start: > [ 1.778499] device-mapper: table: 252:0: md2 too small for target: > start=384, len=11721064448, dev_size=3131131136 > > Cheers, > Markus
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