Sun Microsystems Virtual Tape Library - Manual (Page 24)

Key VTL features and options
10 VTL User Guide • May 2008 G • 96267
including the device in question, the failure is local to the primary, and the
secondary initiates failover. If the secondary cannot access devices, the outage is
global, and no failover occurs.
Service IP addresses carry heartbeat information between VTL nodes and management IP addresses carry
commands between nodes and VTL management consoles
Management path failover
When a high‐availability VTL system fails over, the failover server automatically
inherits the failed server’s management IP address, so that remote management
consoles can still reach the VTL system.
If the heartbeat signal is lost, the management IP address for the failed node transfers to the healthy node
management_IP_address_1
management_IP_address_2
service_IP_address_1
service_IP_address_2
heartbeat
heartbeat
management
console 1
management
console 2
management_IP_address_1
management_IP_address_2
service_IP_address_1
service_IP_address_2
management_IP_address_2
management
console 1
management
console 2