On Sat, 2006-06-24 at 11:34 +0100, centos@xxxxxxxxxxxxxxxx wrote: > > On Sat, 2006-06-24 at 07:02 +0100, centos@xxxxxxxxxxxxxxxx wrote: > >> Hi all, > >> > >> I've been wrestling with a problem with drdb and centos. I have > >> successfully created one drbd resource, but when I try the create a 2nd, > >> I > >> get an error on one of the nodes: > >> > >> Lower device is already mounted. > >> Command 'drbdsetup /dev/drbd1 disk /dev/hdd1 internal -1' terminated > >> with > >> exit code 20 > >> > >> The partition is not mounted from fstab etc and is newly created with > >> parted after wiping this disk with dd. > >> > >> On the node with the problem I see: > >> > >> cat /proc/partitions > >> major minor #blocks name > >> > >> 3 0 60034968 hda > >> 3 1 514048 hda1 > >> 3 2 1534207 hda2 > >> 3 3 57986617 hda3 > >> 22 0 120060864 hdc > >> 22 1 114688003 hdc1 > >> 22 64 117220824 hdd > >> 22 65 114688003 hdd1 > >> 253 0 117219800 dm-0 > >> 253 1 114688003 dm-1 > >> 147 0 114556928 drbd0 > >> > >> On the other node the dm-0 and dm-1 do not occur. Being new to Linux, I > >> am > >> not sure where these come from. I have tried google, but nothing makes > >> sense. This maybe a red herring, but dm-1 has the same number of blocks > >> as hdd1 which I am trying to mount so I'm guessing that this is the > >> cause > >> of the problem. > >> > >> As I have tried changing every thing I can except the mb/processor and > >> reinstalling, I'm really stuck. > >> > >> HELP Please. > >> > >> Rob > >> > >> > >> > > > > I am not an expert on filesystems ... but dm-0 and dm-1 look like raid 0 > > or LVM partitions as they have 253 as their Major device number. > > > > What does fdisk -l say for that drive (/dev/hdd). > > > > Thanks for the reply. > > As far as I am aware, there is no raid or lvm setup on the machine. > > disk -l for hdd gives: > > Disk /dev/hdd: 120.0 GB, 120034123776 bytes > 255 heads, 63 sectors/track, 14593 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/hdd1 1 14278 114688003+ 83 Linux > > Rob > If you are not using raid on purpose, try removing the package dmraid like this: rpm -e dmraid then rebooting
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