On 4/11/20 6:52 PM, Eric Robinson wrote:
1. What command can I execute on the qdevice node which tells me which
client nodes are connected and alive?
i use
corosync-qnetd-tool -v -l
2. In the output of the pcs qdevice status command, what is the
meaning of…
Vote: ACK (ACK)
This is documented in the corosync-qnetd-tool man page.
3. In the output of the pcs quorum status Command, what is the
meaning of…
Membership information
----------------------
Nodeid Votes Qdevice Name
1 1 A,V,NMW 001db03a
2 1 A,V,NMW 001db03b (local)
Pcs just displays output of corosync-quorumtool. Nodeid and votes
columns are probably obvious, name is resolved reverse dns name of the
node ip addr (-i suppress this behavior) and qdevice column really needs
to be documented, so:
A/NA - Qdevice is alive / not alive. This is rather internal flag, but
it can be seen as a heartbeat between qdevice and corosync. Should be
always alive.
V/NV - Qdevice has cast voted / not cast voted. Take is a an ACK/NACK.
MW/NMW - Master wins / not master wins. This is really internal flag. By
default corosync-qdevice newer asks for master wins so it is going to be
nmw. For more information what it means see
votequorum_qdevice_master_wins (3)
Honza
--Eric
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