AW: [DRBD-user] Failure: (114) Lower device is already claimed

[Schmidt, Florian]

/another private mail, which wasn't planned to get private O_o

-----Ursprüngliche Nachricht-----
Von: Schmidt, Florian 
Gesendet: Donnerstag, 21. Februar 2008 19:23
An: 'Minh Hien'
Betreff: AW: [DRBD-user] Failure: (114) Lower device is already claimed


Hi all,
I am new to drbd. I wanted to set up a test
environment. However, During the configuration, I got
this error :

[root at redhatA ~]# drbdadm up all
Failure: (114) Lower device is already claimed. This
usually means it is mounted.
Command 'drbdsetup /dev/drbd0 disk
/dev/VolGroup00/LogVol00 /dev/VolGroup00/LogVol00
flexible --set-defaults --create-device
--on-io-error=detach' terminated with exit code 10

The /etc/drbd.conf is 
[root at redhatA ~]# cat  /etc/drbd.conf
# drbd.conf 

resource testResource {

  protocol C;
  
  startup {
     wfc-timeout  300;
    degr-wfc-timeout 120;    # 2 minutes.
  }

  disk {
    on-io-error   detach;
  }

  net {
    }

  syncer {
    rate 10M;

    

    al-extents 257;
  }

  on redhatA {
    device     /dev/drbd0;
    disk       /dev/VolGroup00/LogVol00;
    address    192.168.10.19:7788;
    meta-disk  internal;

  }

  on redhatB {
    device     /dev/drbd0;
    disk       /dev/VolGroup00/LogVol00;
    address    192.168.10.20:7788;
    meta-disk  internal;
  }
}

#

The fdisk, df and fstab as following
[root at redhatA ~]# fdisk -l

Disk /dev/sda: 18.3 GB, 18373206016 bytes
255 heads, 63 sectors/track, 2233 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id
 System
/dev/sda1   *           1          13      104391   83
 Linux
/dev/sda2              14        2233    17832150   8e
 Linux LVM

[root at redhatA ~]# df
Filesystem           1K-blocks      Used Available
Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
                      16759644   3027388  12867184 
20% /
/dev/sda1               101086     10925     84942 
12% /boot
tmpfs                   127852         0    127852  
0% /dev/shm
[root at redhatA ~]# 

[root at redhatA ~]# cat /etc/fstab 
/dev/VolGroup00/LogVol00 /                       ext3 
  defaults        1 1
LABEL=/boot             /boot                   ext3  
 defaults        1 2
devpts                  /dev/pts                devpts
 gid=5,mode=620  0 0
tmpfs                   /dev/shm                tmpfs 
 defaults        0 0
proc                    /proc                   proc  
 defaults        0 0
sysfs                   /sys                    sysfs 
 defaults        0 0
/dev/VolGroup00/LogVol01 swap                    swap 
  defaults        0 0

[Florian]
looks as if your /dev/VolGroup00/LogVol00 is already mounted... try editing /etc/fstab and setting noauto flag to prevent it from being mounted on startup.
Then umount the device and try to drbdadm up all.

Regards
Florian


Is there anything wrong with my configuration file?
Thank you very much
Best Regards,
Hien




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