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Verify the failSAFE Configuration

Verify the interface configuration using:

$ IFCONFIG -A

The IFCONFIG output for each node is as follows: 

$ IFCONFIG -A
WE0: flags=c43<UP,BROADCAST,RUNNING,MULTICAST,SIMPLEX>
failSAFE IP Addresses:
inet 16.112.249.246 netmask ffffff00 broadcast 16.112.249.255 (on BART WE1)
inet 16.112.249.244 netmask ffffff00 broadcast 16.112.249.255 (on BARNEY ZE1)
inet 16.112.249.243 netmask ffffff00 broadcast 16.112.249.255 (on BARNEY ZE0)
inet 16.112.249.242 netmask ffffff00 broadcast 16.112.249.255 (on BART WE1)
*inet 16.112.249.245 netmask ffffff00 broadcast 16.112.249.255 ipmtu 1500
*inet 16.112.249.241 netmask ffffff00 broadcast 16.112.249.255 ipmtu 1500

WE1: flags=c43<UP,BROADCAST,RUNNING,MULTICAST,SIMPLEX>
failSAFE IP Addresses:
inet 16.112.249.245 netmask ffffff00 broadcast 16.112.249.255 (on BART WE0)
inet 16.112.249.244 netmask ffffff00 broadcast 16.112.249.255 (on BARNEY ZE1)
inet 16.112.249.243 netmask ffffff00 broadcast 16.112.249.255 (on BARNEY ZE0)
inet 16.112.249.241 netmask ffffff00 broadcast 16.112.249.255 (on BART WE0)
*inet 16.112.249.246 netmask ffffff00 broadcast 16.112.249.255 ipmtu 1500
*inet 16.112.249.242 netmask ffffff00 broadcast 16.112.249.255 ipmtu 1500

BART failSAFE IP Configuration

Home IPs

  • WE0: 16.112.249.241, 16.112.249.245
  • WE1: 16.112.249.242, 16.112.249.246

Cluster Alias IPs

  • 16.112.249.241 → BART / WE0
  • 16.112.249.242 → BART / WE1
  • 16.112.249.243 → BARNEY / ZE0
  • 16.112.249.244 → BARNEY / ZE1

BART Host Alias IPs

  • 16.112.249.245 → WE0
  • 16.112.249.246 → WE1
$ IFCONFIG -A
ZE0: flags=c43<UP,BROADCAST,RUNNING,MULTICAST,SIMPLEX>
failSAFE IP Addresses:
inet 16.112.249.248 netmask ffffff00 broadcast 16.112.249.255 (on BARNEY ZE1)
inet 16.112.249.244 netmask ffffff00 broadcast 16.112.249.255 (on BARNEY ZE1)
inet 16.112.249.242 netmask ffffff00 broadcast 16.112.249.255 (on BART WE1)
inet 16.112.249.241 netmask ffffff00 broadcast 16.112.249.255 (on BART WE0)
*inet 16.112.249.247 netmask ffffff00 broadcast 16.112.249.255 ipmtu 1500
*inet 16.112.249.243 netmask ffffff00 broadcast 16.112.249.255 ipmtu 1500

ZE1: flags=c43<UP,BROADCAST,RUNNING,MULTICAST,SIMPLEX>
failSAFE IP Addresses:
inet 16.112.249.247 netmask ffffff00 broadcast 16.112.249.255 (on BARNEY ZE0)
inet 16.112.249.243 netmask ffffff00 broadcast 16.112.249.255 (on BARNEY ZE0)
inet 16.112.249.242 netmask ffffff00 broadcast 16.112.249.255 (on BART WE1)
inet 16.112.249.242 netmask ffffff00 broadcast 16.112.249.255 (on BART WE1)
*inet 16.112.249.248 netmask ffffff00 broadcast 16.112.249.255 ipmtu 1500
*inet 16.112.249.244 netmask ffffff00 broadcast 16.112.249.255 ipmtu 1500

BARNEY failSAFE IP Configuration

Home IPs

  • ZE0: 16.112.249.243, 16.112.249.247
  • ZE1: 16.112.249.244, 16.112.249.248

Cluster Alias IPs

  • 16.112.249.241 → BART / WE0
  • 16.112.249.242 → BART / WE1
  • 16.112.249.243 → BARNEY / ZE0
  • 16.112.249.244 → BARNEY / ZE1

BARNEY Host Alias IPs

  • 16.112.249.247 → ZE0
  • 16.112.249.248 → ZE1

Note

HOME interfaces (*) are preferred failover and recovery targets. failSAFE IP attempts to return IP addresses to their designated home interfaces whenever possible.