Driver `hb.multicast`

Minimal configlet:

[hb#1]
type = multicast

Minimal setup command:

om node set --kw="type=multicast"

Supported keywords:

addr
comment
interval
intf
port
timeout
type

Keyword `addr`

required:    false
scopable:    true
default:     224.3.29.71

Description:

The multicast address to send to and listen on.

Keyword `comment`

required:    false
scopable:    false

Description:

A free form text describing the role of the object, of the node, or of the section it is set in.

The keyword is accepted in any section, so the DEFAULT section can document a configuration as a whole, and a resource, pool, heartbeat, array or network section can document itself.

The agent does not interpret the value.

Keyword `interval`

required:    false
scopable:    true
default:     5s
convert:     duration

Description:

The maximum interval between 2 heartbeat payload sends.

The actual interval is not fixed, because the daemon tries to send the message as soon as it has something to notify. A minimum interval protects the node from saturating the network and cpu with the daemon synchronization workload.

Keyword `intf`

required:    false
scopable:    true

Default:

The natural interface for <addr>

Example:

intf=eth0

Description:

The interface to bind.

Keyword `port`

required:    false
scopable:    true
default:     10000
convert:     int

Description:

The port for each node to send to or listen on.

Keyword `timeout`

required:    false
scopable:    true
default:     15s
convert:     duration

Description:

The delay since the last received heartbeat from a node before considering this node is gone.

Keyword `type`

required:    true
scopable:    false
candidates:  unicast, multicast, disk, relay

Description:

The heartbeat driver name.

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