Hi,

I am trying to setup ovirt as shown below.

DataCenter1 ---------Cluster1 -----host1 ---- NFS1-Data Domain
                      |

                      |-----Cluster2 ------host2-----NFS2-Data Domain

As you see in above case I am trying to attach both NFS partition to Datacente1 and I got various behaviour:

1> Once one data domain attached to data center other is failing to attached

(e.g. let say NFS1-Data Domain is attached to DataCenter1 then after that NFS2-Data Domain failing to attach DataCenter1)

2> And sometime both data domain successfully got attached but after that host2 is not coming up by saying "host1 cannot access to NFS2-Data Domain and hence moving host1 to Non-Operational"
host1 firewall rules are :
--------------------------------------------------------------------------------------------------

# iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination        
ACCEPT     all  --  anywhere             anywhere             state RELATED,ESTABLISHED
ACCEPT     icmp --  anywhere             anywhere           
ACCEPT     all  --  anywhere             anywhere           
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:54321
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:54322
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:sunrpc
ACCEPT     udp  --  anywhere             anywhere             udp dpt:sunrpc
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:ssh
ACCEPT     udp  --  anywhere             anywhere             udp dpt:snmp
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:websm
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:16514
ACCEPT     tcp  --  anywhere             anywhere             multiport dports rockwell-csp2
ACCEPT     tcp  --  anywhere             anywhere             multiport dports rfb:6923
ACCEPT     tcp  --  anywhere             anywhere             multiport dports 49152:49216
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:sunrpc
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:nfs
ACCEPT     udp  --  anywhere             anywhere             udp dpt:nfs
ACCEPT     udp  --  anywhere             anywhere             udp dpt:sunrpc
ACCEPT     udp  --  anywhere             anywhere             udp dpt:892
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:892
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:ospf-lite
REJECT     all  --  anywhere             anywhere             reject-with icmp-host-prohibited

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination        
REJECT     all  --  anywhere             anywhere             PHYSDEV match ! --physdev-is-bridged reject-with icmp-host-prohibited

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination 
--------------------------------------------------------------------------------------------------

Please help me to understand this issue.
1> Do ovirt support multiple-cluster to multiple-storage data domain ?

2> Are those firewall rules correct or wrong ?

3> Can host1 access storage domain created on another cluster say host2 m/c ? (NFS technology)

Thanks,

~Rohit

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