In my test lab networking is very simple. All hosts (Resiliency manager, IMS on main, IMS on standby, Data mover on main, data mover on standby and even the migrated VM (the "host" as it is called in data mover terminology) are in the same LAN.
Yes, it is a Linux VM. The indicated log contains something pretty strange:
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: Executing command [/opt/VRTSsfmh/bin/xprtlc -l https://ims.lab.gts.ro:5634/world/getvitals]
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: Command output [{
"XPRTLD_VERSION" : "7.0.125.0",
"LOCAL_NAME" : "ims.lab.gts.ro",
"LOCAL_ADDR" : "193.226.171.251",
"PEER_NAME" : "ave-01.lab.gts.ro",
"PEER_ADDR" : "193.226.171.242",
"LOCAL_TIME" : "1509023403",
"LOCALE" : "en_US.UTF-8",
"DOMAIN_MODE" : "TRUE",
"QUIESCE_MODE" : "RUNNING",
"OSNAME" : "Linux",
"OSRELEASE" : "2.6.32-642.15.1.el6.x86_64",
"CPUTYPE" : "x86_64",
"OSUUID" : "{00010050-5601-000b-0000-000000000000}",
"DOMAINS" : {
"sfm://ims.lab.gts.ro:5634/" : {
"admin_url" : "vxss://ims.lab.gts.ro:14545/sfm_admin/sfm_domain/vx",
"primary_broker" : "vxss://ims.lab.gts.ro:14545/sfm_agent/sfm_domain/vx"
}
}
}
]
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: IMS [ims.lab.gts.ro] is reachable from host.
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: Network is up
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: Hostname to use in reverse getvitals = ave-01
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: Executing command [/opt/VRTSsfmh/bin/xprtlc -u nobody -l https://ims.lab.gts.ro/https://ave-01:5634/world/getvitals]
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: Command output [HTTP/1.1 500 Error in proxy
500 Error in proxy]
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: not reachable by hostname: ave-01
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: this system's IPs: 193.226.171.242/28
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: Trying reverse getvitals by hostname= ave-01
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: Executing command: /opt/VRTSsfmh/bin/xprtlc -u nobody -l https://ims.lab.gts.ro/https://ave-01.lab.gts.ro:5634/world/getvitals
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: Command output: HTTP/1.1 500 Error in proxy
500 Error in proxy
2017-10-26 16:41:17 [error] 3527 local_ims_attach: Cannot contact host from Central server [ims.lab.gts.ro]
2017-10-26 16:41:17 [debug] 3527 local_ims_attach: Modifying script execution retry time to one min. Exiting.
2017-10-26 16:42:19 [debug] 3516 local_ims_attach: Start local IMS attachment
2017-10-26 16:42:19 [debug] 3516 local_ims_attach: exec_cmd: executing [/usr/sbin/dmidecode -s system-product-name]
2017-10-26 16:42:19 [debug] 3516 local_ims_attach: exec_cmd: exit code [0]
2017-10-26 16:42:19 [debug] 3516 local_ims_attach: exec_cmd: output [VMware Virtual Platform
The hostname should be ave-01.lab.gts.ro and it resolves in all directions.