[ovirt-users] vdsm command failed connection reset by peer

hi everyone today i saw an error in events tab of ovirt3.6. it shows me this error: VDSM HV07 command failed connection reset by peer my vdsm and libvirt services status is: [root@hv07 ~]# systemctl status vdsmd vdsmd.service - Virtual Desktop Server Manager Loaded: loaded (/usr/lib/systemd/system/vdsmd.service; enabled) Active: active (running) since Thu 2015-12-10 17:28:10 IRST; 2 days ago Process: 17321 ExecStopPost=/usr/libexec/vdsm/vdsmd_init_common.sh --post-stop (code=exited, status=0/SUCCESS) Process: 17324 ExecStartPre=/usr/libexec/vdsm/vdsmd_init_common.sh --pre-start (code=exited, status=0/SUCCESS) Main PID: 17417 (vdsm) CGroup: /system.slice/vdsmd.service ├─ 2407 /usr/libexec/ioprocess --read-pipe-fd 151 --write-pipe-fd 147 --max-threads 10 --max-queued-requests 10 ├─ 4072 /usr/libexec/ioprocess --read-pipe-fd 159 --write-pipe-fd 156 --max-threads 10 --max-queued-requests 10 ├─ 4190 /usr/libexec/ioprocess --read-pipe-fd 183 --write-pipe-fd 180 --max-threads 10 --max-queued-requests 10 ├─ 4212 /usr/libexec/ioprocess --read-pipe-fd 153 --write-pipe-fd 150 --max-threads 10 --max-queued-requests 10 ├─ 4234 /usr/libexec/ioprocess --read-pipe-fd 49 --write-pipe-fd 46 --max-threads 10 --max-queued-requests 10 ├─14269 /usr/libexec/ioprocess --read-pipe-fd 35 --write-pipe-fd 34 --max-threads 10 --max-queued-requests 10 ├─14280 /usr/libexec/ioprocess --read-pipe-fd 48 --write-pipe-fd 45 --max-threads 10 --max-queued-requests 10 ├─14289 /usr/libexec/ioprocess --read-pipe-fd 56 --write-pipe-fd 55 --max-threads 10 --max-queued-requests 10 ├─14296 /usr/libexec/ioprocess --read-pipe-fd 65 --write-pipe-fd 64 --max-threads 10 --max-queued-requests 10 ├─14303 /usr/libexec/ioprocess --read-pipe-fd 73 --write-pipe-fd 72 --max-threads 10 --max-queued-requests 10 ├─14310 /usr/libexec/ioprocess --read-pipe-fd 82 --write-pipe-fd 80 --max-threads 10 --max-queued-requests 10 ├─14317 /usr/libexec/ioprocess --read-pipe-fd 90 --write-pipe-fd 89 --max-threads 10 --max-queued-requests 10 ├─14324 /usr/libexec/ioprocess --read-pipe-fd 97 --write-pipe-fd 96 --max-threads 10 --max-queued-requests 10 ├─14331 /usr/libexec/ioprocess --read-pipe-fd 105 --write-pipe-fd 104 --max-threads 10 --max-queued-requests 10 ├─14338 /usr/libexec/ioprocess --read-pipe-fd 117 --write-pipe-fd 113 --max-threads 10 --max-queued-requests 10 ├─17417 /usr/bin/python /usr/share/vdsm/vdsm ├─17692 /usr/libexec/ioprocess --read-pipe-fd 131 --write-pipe-fd 130 --max-threads 10 --max-queued-requests 10 ├─21151 /usr/libexec/ioprocess --read-pipe-fd 126 --write-pipe-fd 124 --max-threads 10 --max-queued-requests 10 ├─21215 /usr/libexec/ioprocess --read-pipe-fd 140 --write-pipe-fd 139 --max-threads 10 --max-queued-requests 10 ├─21446 /usr/libexec/ioprocess --read-pipe-fd 170 --write-pipe-fd 169 --max-threads 10 --max-queued-requests 10 └─21511 /usr/libexec/ioprocess --read-pipe-fd 178 --write-pipe-fd 177 --max-threads 10 --max-queued-requests 10 Dec 11 16:53:50 hv07.election.local vdsm[17417]: vdsm IOProcess WARNING (589) Request queue full Dec 11 16:53:50 hv07.election.local vdsm[17417]: vdsm IOProcess WARNING (589) Request queue full Dec 11 16:53:50 hv07.election.local vdsm[17417]: vdsm IOProcess WARNING (590) Request queue full Dec 11 16:53:50 hv07.election.local vdsm[17417]: vdsm IOProcess WARNING (590) Request queue full Dec 11 16:53:57 hv07.election.local vdsm[17417]: vdsm IOProcess WARNING (591) Request queue full Dec 11 16:53:57 hv07.election.local vdsm[17417]: vdsm IOProcess WARNING (591) Request queue full Dec 11 16:54:00 hv07.election.local vdsm[17417]: vdsm IOProcess WARNING (592) Request queue full Dec 11 16:54:00 hv07.election.local vdsm[17417]: vdsm IOProcess WARNING (592) Request queue full Dec 11 16:54:07 hv07.election.local vdsm[17417]: vdsm IOProcess WARNING (593) Request queue full Dec 11 16:54:10 hv07.election.local vdsm[17417]: vdsm IOProcess WARNING (594) Request queue full [root@hv07 ~]# systemctl status libvirtd libvirtd.service - Virtualization daemon Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled) Drop-In: /etc/systemd/system/libvirtd.service.d └─unlimited-core.conf Active: active (running) since Tue 2015-12-01 09:11:30 IRST; 1 weeks 4 days ago Docs: man:libvirtd(8) http://libvirt.org Main PID: 4523 (libvirtd) CGroup: /system.slice/libvirtd.service └─4523 /usr/sbin/libvirtd --listen Dec 01 09:11:29 hv07.election.local libvirtd[4523]: libvirt version: 1.2.8, package: 16.el7_1.5 (CentOS BuildSystem <http....org) Dec 01 09:11:29 hv07.election.local libvirtd[4523]: Module /usr/lib64/libvirt/connection-driver/libvirt_driver_lxc.so not...sible Dec 01 09:11:30 hv07.election.local systemd[1]: Started Virtualization daemon. Dec 01 09:39:59 hv07.election.local libvirtd[4523]: End of file while reading data: Input/output error Dec 10 17:28:09 hv07.election.local libvirtd[4523]: End of file while reading data: Input/output error Dec 10 17:28:09 hv07.election.local libvirtd[4523]: End of file while reading data: Input/output error Hint: Some lines were ellipsized, use -l to show in full. what should i do? thanks in advance