Please can you have a look at this error I am getting when I commt. This happen quite often and the only way to solve it is to restart node1 in the cluster.
andrev@mtb-primary-srx# set pool x address x.x.x.x
{primary:node0}[edit security nat destination]
andrev@mtb-primary-srx# top
{primary:node0}[edit]
andrev@mtb-primary-srx# commit
error: Could not connect to node1 : Connection refused
node0:
configuration check succeeds
error: failed to copy file '//var/etc/policy.id+' to 'node1'
{primary:node0}[edit]
andrev@mtb-primary-srx#
{primary:node0}
andrev@mtb-primary-srx> show chassis cluster status
Cluster ID: 1
Node Priority Status Preempt Manual failover
Redundancy group: 0 , Failover count: 0
node0 100 primary no no
node1 1 primary no no
Redundancy group: 1 , Failover count: 0
node0 100 primary yes no
node1 1 primary yes no
{primary:node0}
andrev@mtb-primary-srx> show chassis cluster statistics
Control link statistics:
Control link 0:
Heartbeat packets sent: 2272875
Heartbeat packets received: 1543653
Heartbeat packet errors: 0
Fabric link statistics:
Probes sent: 1543516
Probes received: 814192
Probe errors: 0
Services Synchronized:
Service name RTOs sent RTOs received
Translation context 0 0
Incoming NAT 0 0
Resource manager 107191 0
Session create 788774351 5006
Session close 79575255 421
Session change 95703107 150
Gate create 0 0
Session ageout refresh requests 164 229604
Session ageout refresh replies 228130 195
IPSec VPN 0 0
Firewall user authentication 0 0
MGCP ALG 0 0
H323 ALG 90 0
SIP ALG 0 0
SCCP ALG 0 0
PPTP ALG 10492 2
RPC ALG 0 0
RTSP ALG 1485 0
RAS ALG 2 0
MAC address learning 0 0
GPRS GTP 0 0
{primary:node0}
andrev@mtb-primary-srx>