>>> Ulrich Windl schrieb am 12.05.2011 um 08:07 in Nachricht <4DCB793A.C19 : 161 : 60728>: The problem seems to be a mis-calculated bitmap size or position, indeed: May 12 08:06:00 hostname kernel: [55956.959794] md3: bitmap file is out of date (0 < 70) -- forcing full recovery May 12 08:06:00 hostname kernel: [55956.959798] md3: bitmap file is out of date, doing full recovery May 12 08:06:00 hostname kernel: [55957.054583] attempt to access beyond end of device May 12 08:06:00 hostname kernel: [55957.054585] dm-16: rw=192, want=62914561, limit=62914560 May 12 08:06:00 hostname kernel: [55957.054587] attempt to access beyond end of device May 12 08:06:00 hostname kernel: [55957.054588] dm-9: rw=192, want=62914561, limit=62914560 May 12 08:06:00 hostname kernel: [55957.054589] md3: bitmap initialisation failed: -5 May 12 08:06:00 hostname kernel: [55957.055058] md: couldn't update array info. -5 [...] > P.S. Amazing things happen now and then: > # cat /proc/mdstat > Personalities : [linear] [raid1] > md2 : active raid1 dm-17[1] dm-10[0] > 209715136 blocks [2/2] [UU] > > md1 : active raid1 dm-12[0] dm-14[1] > 20971456 blocks [2/2] [UU] > > md3 : active raid1 dm-16[0] dm-9[1] > 31457216 blocks [2/2] [UU] > > md0 : active raid1 dm-11[0] dm-8[1] > 525336512 blocks [2/2] [UU] > > unused devices: <none> > # mdadm --grow --bitmap=internal /dev/md0 > # mdadm --grow --bitmap internal /dev/md1 > # mdadm --grow --bitmap internal /dev/md2 > # mdadm --grow --bitmap=internal /dev/md3 > mdadm: failed to set internal bitmap. > # cat /proc/mdstat > Personalities : [linear] [raid1] > md2 : active raid1 dm-17[1] dm-10[0] > 209715136 blocks [2/2] [UU] > bitmap: 0/200 pages [0KB], 512KB chunk > > md1 : active raid1 dm-12[0] dm-14[1] > 20971456 blocks [2/2] [UU] > bitmap: 0/160 pages [0KB], 64KB chunk > > md3 : active raid1 dm-16[0] dm-9[1] > 31457216 blocks [2/2] [UU] > > md0 : active raid1 dm-11[0] dm-8[1] > 525336512 blocks [2/2] [UU] > bitmap: 0/126 pages [0KB], 2048KB chunk > > unused devices: <none> > > -- 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