Hi,
I have 2 Node with DAG Failover cluster 1 node cluster services is getting crash unexpectedly with event7031 & 1573.Below is log collected from my exchange cluster service.
00002c4c.00004d44::2014/01/15-05:14:44.018 INFO [NM] Received request from client address 10.10.11.12.
00002c4c.000041cc::2014/01/15-05:14:44.034 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000041cc::2014/01/15-05:15:20.226 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000041cc::2014/01/15-05:15:44.328 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000041cc::2014/01/15-05:16:20.521 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000044fc::2014/01/15-05:16:44.607 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000044fc::2014/01/15-05:17:20.784 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000041cc::2014/01/15-05:17:44.886 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000041cc::2014/01/15-05:18:21.203 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000041cc::2014/01/15-05:18:45.165 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000044fc::2014/01/15-05:19:21.575 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000041cc::2014/01/15-05:19:45.428 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000044fc::2014/01/15-05:20:21.901 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000044fc::2014/01/15-05:20:45.691 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000003c0::2014/01/15-05:21:23.615 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.00003164::2014/01/15-05:21:45.985 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.000044fc::2014/01/15-05:22:23.894 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.00002d48::2014/01/15-05:22:46.264 INFO [API] s_ApiGetQuorumResource final status 0.
00002c4c.00002434::2014/01/15-05:22:55.655 INFO [ACCEPT] 0.0.0.0:~3343~: Accepted inbound connection from remote endpoint 172.1.1.2:~18142~.
00002c4c.000044fc::2014/01/15-05:22:55.655 INFO [SV] Securing route from (172.1.1.1:~3343~) to remote (172.1.1.2:~18142~).
00002c4c.000044fc::2014/01/15-05:22:55.655 INFO [SV] Got a new incoming stream from 172.1.1.2:~18142~
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [SV] Authentication and authorization were successful
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [SV] Security Handshake successful while obtaining SecurityContext for NetFT driver
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [VER] Got new TCP connection. Exchanging version data.
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [VER] Checking version compatibility for node IHEX02 id 2 with following versions: highest [Major 6 Minor 7601 Upgrade 7 ClusterVersion 0x00061DB1], lowest [Major 6 Minor 7601 Upgrade 7 ClusterVersion 0x00061DB1].
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [VER] Version check passed: node and cluster highest supported versions match.
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [SV] Negotiating message security level.
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [SV] Already protecting connection with message security level 'Sign'.
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [FTI] Got new raw TCP/IP connection.
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [FTI][Initiator] This node (1) is initiator
00002c4c.000044fc::2014/01/15-05:22:55.671 WARN [FTI][Initiator] Ignoring duplicate connection: stale route not yet cleaned up
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [CHANNEL 172.1.1.2:~18142~] graceful close, status (of previous failure, may not indicate problem) ERROR_SUCCESS(0)
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [CORE] Node 1: Clearing cookie 0a7b687c-fee4-4104-883a-bc3efd7df60d
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [CORE] Node 87f53bdd-4462-459c-95e3-3f1b069ebb73: Cookie Cache 87f53bdd-4462-459c-95e3-3f1b069ebb73
00002c4c.000044fc::2014/01/15-05:22:55.671 INFO [CORE] Node d79c873a-67ae-433e-a9fc-aa0327a001bf: Cookie Cache d79c873a-67ae-433e-a9fc-aa0327a001bf
00002c4c.000044fc::2014/01/15-05:22:55.671 WARN mscs::ListenerWorker::operator (): GracefulClose(1226)' because of 'channel to remote endpoint 172.1.1.2:~18142~ is closed'
00002c4c.00002434::2014/01/15-05:22:58.651 INFO [ACCEPT] 0.0.0.0:~3343~: Accepted inbound connection from remote endpoint 10.10.11.12:~18154~.
00002c4c.000044fc::2014/01/15-05:22:58.651 INFO [SV] Securing route from (10.10.11.11:~3343~) to remote (10.10.11.12:~18154~).
00002c4c.000044fc::2014/01/15-05:22:58.651 INFO [SV] Got a new incoming stream from 10.10.11.12:~18154~
00002c4c.000044fc::2014/01/15-05:22:58.651 INFO [SV] Authentication and authorization were successful
00002c4c.000044fc::2014/01/15-05:22:58.651 INFO [SV] Security Handshake successful while obtaining SecurityContext for NetFT driver
00002c4c.000044fc::2014/01/15-05:22:58.651 INFO [VER] Got new TCP connection. Exchanging version data.
00002c4c.000044fc::2014/01/15-05:22:58.651 INFO [VER] Checking version compatibility for node IHEX02 id 2 with following versions: highest [Major 6 Minor 7601 Upgrade 7 ClusterVersion 0x00061DB1], lowest [Major 6 Minor 7601 Upgrade 7 ClusterVersion 0x00061DB1].
00002c4c.000044fc::2014/01/15-05:22:58.651 INFO [VER] Version check passed: node and cluster highest supported versions match.
00002c4c.000044fc::2014/01/15-05:22:58.651 INFO [SV] Negotiating message security level.
00002c4c.000044fc::2014/01/15-05:22:58.666 INFO [SV] Already protecting connection with message security level 'Sign'.
00002c4c.000044fc::2014/01/15-05:22:58.666 INFO [FTI] Got new raw TCP/IP connection.
00002c4c.000044fc::2014/01/15-05:22:58.666 INFO [FTI][Initiator] This node (1) is initiator
00002c4c.000044fc::2014/01/15-05:22:58.666 WARN [FTI][Initiator] Ignoring duplicate connection: stale route not yet cleaned up
00002c4c.000044fc::2014/01/15-05:22:58.666 INFO [CHANNEL 10.10.11.12:~18154~] graceful close, status (of previous failure, may not indicate problem) ERROR_SUCCESS(0)
00002c4c.000044fc::2014/01/15-05:22:58.666 INFO [CORE] Node 1: Clearing cookie 0a7b687c-fee4-4104-883a-bc3efd7df60d
00002c4c.000044fc::2014/01/15-05:22:58.666 INFO [CORE] Node 87f53bdd-4462-459c-95e3-3f1b069ebb73: Cookie Cache 87f53bdd-4462-459c-95e3-3f1b069ebb73
00002c4c.000044fc::2014/01/15-05:22:58.666 INFO [CORE] Node d79c873a-67ae-433e-a9fc-aa0327a001bf: Cookie Cache d79c873a-67ae-433e-a9fc-aa0327a001bf
00002c4c.000044fc::2014/01/15-05:22:58.666 WARN mscs::ListenerWorker::operator (): GracefulClose(1226)' because of 'channel to