Setting options and parameters
Options help you maintain various functions of your node, such as security, file access, and network communication. During takeover, the value of an option might be changed by the node doing the takeover. This can cause unexpected behavior during a takeover. To avoid unexpected behavior, specific option values must be the same on both the local and partner node.
Option types for HA pairs
Some options must be the same on both nodes in the , while some can be different, and some are affected by failover events. HA pair
Setting matching node options
Because some Data ONTAP options must have the same settings on both the local and partner node, you need to check these options with the options command on each node and change them as necessary.
Parameters that must be the same on each node
Certain parameters must be the same on each node so that takeover is smooth and data is transferred correctly between the nodes.
Best practices for cf options
You should generally use the default options, since they represent the best choice for most configurations.
Disabling the change_fsid option in MetroCluster configurations
In a MetroCluster configuration, you can take advantage of the change_fsid option in Data ONTAP to simplify site takeover when the cf forcetakeover -d command is used.
Configuring hardware-assisted takeover
You can configure hardware-assisted takeover to speed up takeover times. Hardware-assisted takeover uses the remote management device to quickly communicate local status changes to the partner node.