[oneadmin@opennebula-250 ~]$ onehost list
ID NAME CLUSTER RVM ALLOCATED_CPU ALLOCATED_MEM STAT
0 opennebula-250 default 7 1400 / 3200 (43%) 38G / 62.4G (60%) err
[oneadmin@opennebula-250 ~]$ onehost show 0
HOST 0 INFORMATION
ID : 0
NAME : opennebula-250
CLUSTER : default
STATE : ERROR
IM_MAD : kvm
VM_MAD : kvm
LAST MONITORING TIME : 10/30 11:32:54
HOST SHARES
TOTAL MEM : 62.4G
USED MEM (REAL) : 12.4G
USED MEM (ALLOCATED) : 38G
TOTAL CPU : 3200
USED CPU (REAL) : 0
USED CPU (ALLOCATED) : 1400
RUNNING VMS : 7
LOCAL SYSTEM DATASTORE #0 CAPACITY
TOTAL: : 2.7T
USED: : 19.2G
FREE: : 2.7T
MONITORING INFORMATION
ARCH="x86_64"
CPUSPEED="2399"
ERROR="Mon Oct 30 11:32:54 2017 : Error monitoring Host opennebula-250 (0): sh: /var/tmp/one/im/kvm.d/../run_probes: No such file or directory
"
HOSTNAME="opennebula-250.localdomain"
HYPERVISOR="kvm"
IM_MAD="kvm"
MODELNAME="Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz"
NETRX="2631437455"
NETTX="129750876"
RESERVED_CPU=""
RESERVED_MEM=""
VERSION="5.2.1"
VM_MAD="kvm"
WILD VIRTUAL MACHINES
NAME IMPORT_ID CPU MEMORY
VIRTUAL MACHINES
ID USER GROUP NAME STAT UCPU UMEM HOST TIME
3 oneadmin oneadmin JUMP Server unkn 0.0 4G opennebula 109d 18h19
4 oneadmin oneadmin Temp 4GB 4vcpu unkn 0.0 8G opennebula 107d 20h20
5 oneadmin oneadmin KDN MDC Databas unkn 0.0 8G opennebula 103d 00h37
6 oneadmin oneadmin KDN MDC FrontEn unkn 0.0 2G opennebula 103d 00h37
7 oneadmin oneadmin KDN MDC Databas unkn 0.0 8G opennebula 103d 00h36
8 oneadmin oneadmin KDN MDC Backend unkn 0.0 4G opennebula 103d 00h35
9 oneadmin oneadmin KDN MDC Backend unkn 0.0 4G opennebula 103d 00h35
[oneadmin@opennebula-250 ~]$ ping opennebula-250
PING opennebula-250 (127.0.0.1) 56(84) bytes of data.
64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.064 ms
64 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.019 ms
See?
Solution is actually pretty simple.
remove
/var/tmp/one(as root) and run back
onehost sync --forceas oneadmin
+1 to https://stackoverflow.com/questions/36485710/opennebula-error-monitoring-host-kvm (not really a ruby problem)

i was run this but still didnt work on shared storage, any idea ?
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