The Sybase Failover feature is documented in Using Sybase Failover in a High Availability System. This chapter describes steps necessary to configure your Open Client applications to connect to the secondary companion during failover, information that is not included in that document.
DB-Library does not support High Availability (HA) Failover. Embedded
SQL/C and Embedded SQL/COBOL support HA Failover starting
with version 12.5.