
BIG/db Configuration Keys
BIG-IP® Reference Guide 9-3
StateMirror keys
StateMirror keys (Table 9.2) control state mirroring. If you change one of
these values, you must perform the following reinitialization:
bigstart reinit sfd
Common.Bigip.Failover.PrintPeerState = 0 The default value for this key is 0. Fail-over daemon (/sbin/sod)
writes the state of its connection to its peer, hardwire and/or
network. This information is written to the fail-over daemon's
debug log file.
Common.Bigip.Failover.UseTty00 = 0 Failover daemon uses /dev/tty00 for hardwired failover.
Common.Bigip.Failover.UseTty01 = 1 Failover daemon uses /dev/tty01 for hardwired failover.
Local.Bigip.Failover.ForceActive = 0 Failover daemon always attempts to become the active unit.
Local.Bigip.Failover.ForceStandby = 0 Failover daemon goes to standby whenever it senses that its
peer is alive.
Common.Sys.Failover.Network = 0 Use the network by way of the sfd as a backup to, or instead of,
the serial line for fail-over if this value is 1. By default, this feature
is off.
Common.Bigip.Cluster.ActiveKeepAliveSec = 1 The default value for this key is 0. An active unit sends a
heartbeat message to its peer with this frequency. Default is
1 second.
Common.Bigip.Cluster.StandbyTimeoutSec = 3 Consider the peer BIG-IP failed if no message is received within
the timeout period. Used by network fail-over. Default is
3 seconds.
State Mirroring Key Name Description
Common.Bigip.StateMirror.D/jointfilesconvert/412949/bgFile File into which debug information is written, required if debug
level is specified (below).
Common.Bigip.StateMirror.D/jointfilesconvert/412949/bgLevel = 0 The debug level is composed of the following options:
1 - log reads and writes
2 - log connection attempts and results
4 - log state changes
8 - open log files in append mode, the default is to truncate the
files when opening.
The debug level is 0 by default.
Table 9.2 The BIG/db keys that store state mirroring information
Fail-Over Key Name Description
Table 9.1 The BIG/db keys that store fail-over information
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