there are some error messages in dmesg:
INFO: task flush-253:5:32096 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
flush-253:5 D 0002 0 32096 2 0x0080
8803b1e339b0 0046 8
drbd configure :
[root@kvm3 ~]# drbdadm dump drbd0
# resource drbd0 on kvm3: not ignored, not stacked
# defined at /etc/drbd.d/drbd0.res:1
resource drbd0 {
on kvm3 {
device /dev/drbd0 minor 0;
disk /dev/vg_kvm3/drbd0;
meta-diskinternal;
drbd configure :
[root@kvm3 ~]# drbdadm dump drbd0
# resource drbd0 on kvm3: not ignored, not stacked
# defined at /etc/drbd.d/drbd0.res:1
resource drbd0 {
on kvm3 {
device /dev/drbd0 minor 0;
disk /dev/vg_kvm3/drbd0;
meta-diskinternal;
