Copyright © Cloud Software Group, Inc. All Rights Reserved
Copyright © Cloud Software Group, Inc. All Rights Reserved


Appendix C Fault Tolerance (RVFT) Advisory Messages : TOO_MANY_ACTIVE

TOO_MANY_ACTIVE
Advisory
Subject Name Syntax
_RV.WARN.RVFT.TOO_MANY_ACTIVE.group
Purpose
A fault tolerance member presents this warning advisory message when it detects that too many group members are active. This situation is usually transient, and resolves itself quickly without intervention. However, if the situation persists, it might indicate problems that require attention.
Remarks
Rendezvous fault tolerance software detects the situation when it receives a heartbeat message from a member that was not already known to be active.
This warning indicates that the following conditions all hold simultaneously:
 
The conclusion is that one or more other members are active that should not be active. In most cases those members quickly detect the anomaly, and deactivate. Normally the situation resolves itself within one activation interval.
Notice that a member does not receive this advisory if it is either inactive or about to deactivate.
Diagnosis
This warning can indicate any of several situations:
Rendezvous fault tolerance software arranges for the correct number of active members on each disconnected part of the network. When the parts reconnect, the active members with the lowest rank become extraneous, and quickly deactivate. This warning indicates that a network problem occurred.
If member A has an active goal of one member, and B has an active goal of two members, then A and B will both become active, and A receives this complaint that too many members are active. (Both A and B also receive the PARAM_MISMATCH error advisory, with Active goal differs in the RVADV_DESC field.)
See Step 4: Choose the Intervals.
See Ensure Timely Event Processing.
Message Fields
 
See Also
Fault Tolerance Concepts.

Copyright © Cloud Software Group, Inc. All Rights Reserved
Copyright © Cloud Software Group, Inc. All Rights Reserved