集群中只能有一个节点持有 epsilon。epsilon 会以仲裁方式为持有节点提供额外的百分比表决权重。 只有在极少数情况下才需要重新分配 epsilon,例如接管 HA 对中持有 epsilon 的节点进行计划内维护时。如果您不确定是否需要重新分配 epsilon,应联系技术支持。
以下示例将从 node1 中删除 epsilon 并将其分配给 node4:
cluster1::> set -privilege advanced Warning: These advanced commands are potentially dangerous; use them only when directed to do so by support personnel. Do you wish to continue? (y or n): y cluster1::*> cluster show -epsilon * Node Health Eligibility Epsilon ------------ ------- ------------ ------------ node1 true true true node2 true true false node3 true true false node4 true true false 4 entries were displayed. cluster1::*> cluster modify -node node1 -epsilon false cluster1::*> cluster modify -node node4 -epsilon true cluster1::*> cluster show -epsilon * Node Health Eligibility Epsilon ------------ ------- ------------ ------------ node1 true true false node2 true true false node3 true true false node4 true true true 4 entries were displayed.