Backup Node - quorum?

T

Tremark

New Member
Jun 29, 2017
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Hello,
actually i have 4 nods in my enviroment:

pvecm status
Quorum information
------------------
Date: Thu Jun 29 16:33:15 2017
Quorum provider: corosync_votequorum
Nodes: 4
Node ID: 0x00000001
Ring ID: 3/37108
Quorate: Yes

Votequorum information
----------------------
Expected votes: 4
Highest expected: 4
Total votes: 4
Quorum: 3
Flags: Quorate

Membership information
----------------------
Nodeid Votes Name
0x00000003 1 192.168.16.29
0x00000002 1 192.168.16.44
0x00000001 1 192.168.16.47 (local)
0x00000004 1 192.168.16.72


I would like to disable one server (NODid 2) due to high power consumption, but with possible to start it in case of failure of other nodes.

When i just turn off NODid2 my quorum = total votes and i lose security in case of failure of next nodes.

What is the solution to this problem?
 
Hi,

for this case you could set the the votes of this node to 0.
This reduce the expected to 3 votes and it is like the node does not exists for quorum.

But don't forget to set the votes back to 1 in case you use the node again.
 
No only on one server on path /etc/pve/cororsysnc.conf

but please read also
man corosync.conf
 
thank you!

Quorum information
------------------
Date: Fri Jun 30 10:16:43 2017
Quorum provider: corosync_votequorum
Nodes: 4
Node ID: 0x00000001
Ring ID: 3/37132
Quorate: Yes

Votequorum information
----------------------
Expected votes: 3
Highest expected: 3
Total votes: 3
Quorum: 2
Flags: Quorate

Membership information
----------------------
Nodeid Votes Name
0x00000003 1 192.168.16.29
0x00000002 0 192.168.16.44
0x00000001 1 192.168.16.47 (local)
0x00000004 1 192.168.16.72
 
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