Hi Ameen, comments inline.
On 19-Apr-2014, at 11:02 pm, Ameen Ali <rootam...@gmail.com> wrote: > Dear CloudStackers, > > I've been having this issue for quite a while. My SSVM is not able to ping > the Management Server or DNS or resolve download.cloud.com Therefor I am > not able to download any template even if I'm hosting them inside the > Management Server itself. I tried disabling iptables on both management > server and host but still nothing is happening. Ok. > Notice the following: > 172.16.96.2 is my gateway > 172.16.96.10 is my management server (Cloudstack 4.0.2) > 172.16.96.40 is my host (XenServer 6.0) Is this an advanced Zone? If so, 1) How many physical interfaces does your hypervisor have? 2) Since you are using Xen, what traffic labels have you assigned while creating the Zone? 3) Have you created the traffic labels on the XenServer hosts? 4) What subnet have you used as the public range? > > The following is the output of ssvm_check.sh. > > ================================================ > First DNS server is 8.8.8.8 > PING 8.8.8.8 (8.8.8.8): 56 data bytes > 64 bytes from 172.16.96.46: Destination Host Unreachable > Vr HL TOS Len ID Flg off TTL Pro cks Src Dst Data > 4 5 00 5400 0000 0 0040 40 01 5b1e 172.16.96.46 8.8.8.8 > 64 bytes from 172.16.96.46: Destination Host Unreachable > Vr HL TOS Len ID Flg off TTL Pro cks Src Dst Data > 4 5 00 5400 0000 0 0040 40 01 5b1e 172.16.96.46 8.8.8.8 > --- 8.8.8.8 ping statistics --- > 2 packets transmitted, 0 packets received, 100% packet loss > WARNING: cannot ping DNS server > route follows > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use > Iface > 8.8.4.4 172.16.96.2 255.255.255.255 UGH 0 0 0 eth1 > 8.8.8.8 172.16.96.2 255.255.255.255 UGH 0 0 0 eth1 > 172.16.96.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 > 172.16.96.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2 > 172.16.96.0 0.0.0.0 255.255.255.0 U 0 0 0 eth3 > 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 > 0.0.0.0 172.16.96.2 0.0.0.0 UG 0 0 0 eth2 According to your routing table, the DNS servers is expected to be reachable via 172.16.96.2 gateway IP using the eth1 Interface on the SSVM. Are you able to ping 172.16.96.2 from the SSVM at all? If ping to 172.16.96.2 is failing, can you double check your traffic labels against the physical interfaces. For the network to work correctly, the SSVM’s interfaces has to be bridged to the correct physical interface on the hypervisor. CloudStack does this mapping using the traffic labels which you specified at the time of zone creation. > ================================================ > ERROR: DNS not resolving download.cloud.com > resolv.conf follows > nameserver 8.8.8.8 > nameserver 8.8.4.4 > nameserver 8.8.8.8 > nameserver 8.8.4.4 > > > > ================================================ > > > > The following is part of the output of the following command: "grep -i -E > 'exc|unable|fail|invalid|leak|invalid|warn' > /var/log/cloud/management/management-server.log" : > > > > ================================================ > 2014-04-17 05:51:09,356 WARN [xen.resource.CitrixResourceBase] > (DirectAgent-4:null) Failed to program default network rules for s-4-VM > 2014-04-17 05:51:14,782 WARN [network.element.VpcVirtualRouterElement] > (consoleproxy-1:null) Network Ntwk[204|Guest|6] is not associated with any > VPC > 2014-04-17 05:51:14,799 WARN [network.element.VpcVirtualRouterElement] > (consoleproxy-1:null) Network Ntwk[202|Control|3] is not associated with > any VPC > 2014-04-17 05:51:14,819 WARN [network.element.VpcVirtualRouterElement] > (consoleproxy-1:null) Network Ntwk[201|Management|2] is not associated with > any VPC > 2014-04-17 05:51:56,275 WARN [xen.resource.CitrixResourceBase] > (DirectAgent-163:null) Ignoring VM v-5-VM in transition state starting. > 2014-04-17 05:51:58,387 WARN [xen.resource.CitrixResourceBase] > (DirectAgent-96:null) Failed to program default network rules for v-5-VM > 2014-04-17 06:24:51,091 DEBUG [xen.resource.XenServerConnectionPool] > (DirectAgent-235:null) XmlRpcException for method: host.get_by_uuid due to > Failed to read server's response: connect timed out. Reconnecting...retry=1 > 2014-04-17 06:24:51,092 DEBUG [xen.resource.XenServerConnectionPool] > (DirectAgent-235:null) connect through IP(172.16.96.40 for > pool(e024bf43-7efc-daed-3644-6b7c9a5a6ceb) is broken due to > org.apache.xmlrpc.XmlRpcException: Failed to read server's response: > connect timed out > 2014-04-17 06:52:47,943 DEBUG [xen.resource.XenServerConnectionPool] > (DirectAgent-276:null) XmlRpcException for method: SR.scan due to Failed to > create input stream: Read timed out. Reconnecting...retry=1 > 2014-04-17 06:52:47,943 WARN [xen.resource.CitrixResourceBase] > (DirectAgent-276:null) GetStorageStats Exception:Failed to create input > stream: Read timed outhost:43ae57e7-b43e-4d84-a500-da1098e5240estorageid: > c38aeaca-2bb6-339b-9053-8287b3a61bb6 > 2014-04-17 07:00:38,174 DEBUG [cloud.api.ApiServlet] (catalina-exec-6:null) > Invalid paramemter in URL found. param: domain= > 2014-04-17 07:00:56,280 WARN [xen.resource.CitrixResourceBase] > (DirectAgent-108:null) Ignoring vm v-5-VM because of a lag in stopping the > vm. > 2014-04-17 07:01:14,447 WARN [network.element.VpcVirtualRouterElement] > (secstorage-1:null) Network Ntwk[204|Guest|6] is not associated with any VPC > 2014-04-17 07:01:14,464 WARN [network.element.VpcVirtualRouterElement] > (secstorage-1:null) Network Ntwk[202|Control|3] is not associated with any > VPC > 2014-04-17 07:01:14,478 WARN [network.element.VpcVirtualRouterElement] > (secstorage-1:null) Network Ntwk[201|Management|2] is not associated with > any VPC > 2014-04-17 07:01:14,494 WARN [network.element.VpcVirtualRouterElement] > (secstorage-1:null) Network Ntwk[203|Storage|4] is not associated with any > VPC > 2014-04-17 07:01:14,779 WARN [network.element.VpcVirtualRouterElement] > (consoleproxy-1:null) Network Ntwk[204|Guest|6] is not associated with any > VPC > 2014-04-17 07:01:14,797 WARN [network.element.VpcVirtualRouterElement] > (consoleproxy-1:null) Network Ntwk[202|Control|3] is not associated with > any VPC > 2014-04-17 07:01:14,816 WARN [network.element.VpcVirtualRouterElement] > (consoleproxy-1:null) Network Ntwk[201|Management|2] is not associated with > any VPC > 2014-04-17 07:01:25,131 WARN [xen.resource.CitrixResourceBase] > (DirectAgent-317:null) Failed to program default network rules for s-6-VM > 2014-04-17 07:02:23,503 WARN [xen.resource.CitrixResourceBase] > (DirectAgent-319:null) Failed to program default network rules for v-7-VM > 2014-04-17 07:11:42,788 WARN [storage.download.DownloadMonitorImpl] > (catalina-exec-18:null) There is no secondary storage VM for secondary > storage host nfs://172.16.96.10/secondary > 2014-04-17 07:25:24,475 DEBUG [cloud.api.ApiServlet] (catalina-exec-2:null) > Invalid paramemter in URL found. param: value= > 2014-04-17 07:26:04,086 ERROR > [cloud.cluster.ClusterServiceServletContainer] (Thread-14:null) Unexpected > exception > java.net.SocketException: Socket closed > 2014-04-17 07:26:26,489 ERROR [cloud.cluster.ClusterManagerImpl] > (main:null) Unable to ping management server at 172.16.96.10:9090 due to > ConnectException > java.net.ConnectException: Connection refused > 2014-04-17 07:26:26,954 WARN [storage.download.DownloadMonitorImpl] > (main:null) Only realhostip.com ssl cert is supported, ignoring self-signed > and other certs > 2014-04-17 07:26:31,299 WARN [cloud.cluster.ClusterManagerImpl] > (Cluster-Notification-1:null) Notifying management server join event took > 36 ms I also see a other errors in the log file but lets first make sure your network configuration is correct. 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