The total time required for the recovery server to assume the function of the primary server is predictable. This time may vary from mere seconds in the case of a catastrophic failure, such as loss of the processor, or it may be several minutes in the case of some software failures. The default value is 10 minutes, but it can be changed to values ranging from 5 minutes to 30 minutes. The time required for Microsoft Windows NT to boot. This will be dependent on the size and number of disk drives attached.
Client log in time.
After any required repairs are made, you should restore the original configuration. The disk drives will be electrically connected to the primary server and it will boot the operating system. The recovery server can be re-booted and it will return to its role of listening for the heartbeat message from the primary server. 10.0.2 functions very well with the Standby Recovery Server Option. The client systems attached to the Sybase server will have to reestablish the database connection to the server.