> On Sat, 2006-06-24 at 11:34 +0100, centos at bathnetworks.com wrote: >> > On Sat, 2006-06-24 at 07:02 +0100, centos at bathnetworks.com 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 Johnny, Once again you are proving to be the man. That fixed it. Both resources are up and the 2nd is syncing. One question, I guess I don't need dmraid as I don't have a raid array, but why would it 'grab' the disk as it had never been set in the 1st place? Once again thanks. Rob