NDD type = 7 (NDD_ISO88023) MAC address length = 6 MAC address = FA:AC:90:B6:FE:20 Smoothed RTT across interface = 0 Mean deviation in network RTT across interface = 0 Probe interval for interface = 990 ms IFNET flags for interface = 0x1E084863 NDD flags for interface = 0x0161081B Interface state = UP Number of regular addresses configured on interface = 1 IPv4 ADDRESS: 172.16.51.170 broadcast 172.16.51.255 netmask  255.255.255.0 Number of cluster multicast addresses configured on interface = 1 IPv4 MULTICAST ADDRESS: 228.16.51.170 Interface number 2, dpcom IFNET type = 0 (none) NDD type = 305 (NDD_PINGCOMM) Smoothed RTT across interface = 594 Mean deviation in network RTT across interface = 979 Probe interval for interface = 15730 ms IFNET flags for interface = 0x00000000 NDD flags for interface = 0x00000009 Interface state = UP RESTRICTED AIX_CONTROLLED (0) root @ PHA170: / # df Filesystem 512-blocks Free %Used Iused %Iused Mounted on ... /dev/sharelv 1310720 1309864 1% 4 1% /sharefs Note:  To identify physical FC adapters that can be used in the PowerHA cluster as the  SAN-based heartbeat, go to IBM Knowledge Center. At the time of writing, there is no plan to support this feature for all 16 Gb FC adapters. Example 9-17 shows that the  /sharefs  file system is mounted on the PHA170 node because  the RG is online on this node. Shared file system status Example 9-17 Shared file system status Chapter 9. Cluster partition management update  361