VIOLIN SYSTEMS 7700, Installation Manual

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Appendix F - Configuring Stretched Cluster and Tiebreaker
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7700 Flash Storage Platform Installation Guide 7.6.3.x
530-0267-00 Rev 02
Tiebreaker Status Field Definitions
Table F.3 describes the Tiebreaker status fields.
Sample output:
Status Description
Tiebreaker Monitor Status Indicates whether this failover pair is being monitored. OK
indicates the failover pair is being monitored; otherwise the status
will display
Stopped . To restart Tiebreaker monitoring, refer to the
Modifying a Tiebreaker Configuration section.
Primary Health, Secondary
health Indicates whether a split-brain situation has been detected. If it
has,
Primary Health displays Error and Tiebreaker attempts to
trigger power control to reset the primary 7700 Controller. If split-
brain has not been detected,
Primary Health displays Ok.
Secondary Health indicates whether the secondary’s status is
healthy or not. If it displays Error , the secondary 7700 Controller
is not healthy enough to take over the primary 7700 Controller.
Power Control Type, State Displays the power type and status for each server in the failover
configuration (with status values of
On , Off , or Unknown).
Storage Cluster ng Latency Indicates if the SCI latency time between the primary and
secondary server is OK. An error displays if the latency exceeds
the threshold defined during setup.
Mirror Sync Status Indicates whether the mirror in a stretched cluster is
synchronized or not. If the failover configuration is not a stretched
cluster, this field will display
NA .
Primary Failure Status Indicates the primary 7700 Controller failover configuration status
(with status values of
Up or Failed over).
Primary Management
Connection Indicates whether Tiebreaker is able to communicate with the
primary and secondary 7700 Controllers in a failover
configuration.
Secondary Management
Connection
Table F.3 Tiebreaker Status Field Descriptions