Veritas Volume Manager 5.1 SP1 Administrator"s Guide (5900-1506, April 2011)

This command produces output similar to the following:
Volboot file
version: 3/1
seqno: 0.19
cluster protocol version: 100
hostid: giga
entries:
You can also check the existing cluster protocol version using the following
command:
# vxdctl protocolversion
This produces output similar to the following:
Cluster running at protocol 100
Displaying the supported cluster protocol version range
The following command displays the maximum and minimum protocol version
supported by the node and the current protocol version:
# vxdctl support
This command produces output similar to the following:
Support information:
vxconfigd_vrsn: 31
dg_minimum: 60
dg_maximum: 160
kernel: 31
protocol_minimum: 90
protocol_maximum: 100
protocol_current: 100
You can also use the following command to display the maximum and minimum
cluster protocol version supported by the current Veritas Volume Manager release:
# vxdctl protocolrange
This produces output similar to the following:
minprotoversion: 90, maxprotoversion: 100
Administering cluster functionality (CVM)
Administering VxVM in cluster environments
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