On Sat, May 14, 2011 at 07:33:47AM +1000, NeilBrown wrote: > On Fri, 13 May 2011 22:29:01 +0200 Louis-David Mitterrand > <vindex+lists-linux-raid@xxxxxxxxxxx> wrote: > > Each disk is configured thus: > > > > Disk /dev/sda: 1000.2 GB, 1000204886016 bytes > > 255 heads, 63 sectors/track, 121601 cylinders > > Units = cylinders of 16065 * 512 = 8225280 bytes > > Sector size (logical/physical): 512 bytes / 512 bytes > > I/O size (minimum/optimal): 512 bytes / 512 bytes > > Disk identifier: 0x05022e04 > > > > Device Boot Start End Blocks Id System > > /dev/sda1 1 32 257008+ fd Linux raid autodetect > > /dev/sda2 33 17500 140311710 fd Linux raid autodetect > > /dev/sda3 17501 121601 836191282+ fd Linux raid autodetect > > > > Is this the config reported with the old controller or with the new > controller? Sorry for the confusion, the above was with the old (LSI) controller. This is the disk geometry with the new (Adaptec) controller: Disk /dev/sda: 1000.1 GB, 1000104157184 bytes 255 heads, 63 sectors/track, 121589 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x6397e8f6 Device Boot Start End Blocks Id System /dev/sda1 1 32 257008+ fd Linux raid autodetect /dev/sda2 33 17500 140311710 fd Linux raid autodetect /dev/sda3 17501 121601 836191282+ fd Linux raid autodetect Ah! 121589 vs 121601 cylinders... > Because my guess is that the new controller makes the devices look a little > bit smaller. That would cause the kernel to reject them, but quite possibly > allow mdadm to think they look OK. > > It would also explain why the first 2 partitions work fine and only the last > one is a problem. > > If this were the case I would expect a message like: > "%s: p%d size %llu extends beyond EOD Spot on: May 14 10:15:46 zenon kernel: sda: p3 size 1672382565 extends beyond EOD, trunca ted Is there any solution other than backuping my /dev/md2 somewhere with the old controller and re-creating a (slightly) smaller one with the new controller? Thanks, -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
