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7.10.1 The ndbinfo arbitrator_validity_detail Table

The arbitrator_validity_detail table shows the view that each data node in the cluster has of the arbitrator. It is a subset of the membership table.

The following table provides information about the columns in the arbitrator_validity_detail table. For each column, the table shows the name, data type, and a brief description. Additional information can be found in the notes following the table.

Table 7.15 Columns of the arbitrator_validity_detail table

Column Name Type Description
node_id integer This node's node ID
arbitrator integer Node ID of arbitrator
arb_ticket string Internal identifier used to track arbitration
arb_connected Yes or No Whether this node is connected to the arbitrator
arb_state Enumeration (see text) Arbitration state

The node ID is the same as that reported by ndb_mgm -e "SHOW".

All nodes should show the same arbitrator and arb_ticket values as well as the same arb_state value. Possible arb_state values are ARBIT_NULL, ARBIT_INIT, ARBIT_FIND, ARBIT_PREP1, ARBIT_PREP2, ARBIT_START, ARBIT_RUN, ARBIT_CHOOSE, ARBIT_CRASH, and UNKNOWN.

arb_connected shows whether the current node is connected to the arbitrator.


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