hi everyone

when i run  systemctl status vdsmd  it shows me these strange messages:

vdsm IOProcess  WARNING (32)  request queue full
vdsm IOProcess  WARNING (33)  request queue full
vdsm IOProcess  WARNING (34)  request queue full
.
.
.
vdsm IOProcess  WARNING (41)  request queue full

is it normal situation?
i see these messages in ovirt 3.6   3.6.1   3.6.2

os: centos7.1  latest update (20jan2016)
ovirt: 3.6.2
server:dl 380 g7