2-node cluster: How to allow VMs to automatically start w/o quorum?

[starkruzr]

One of my nodes will be going offline for about a week. I'd like to make sure the other (which is not the master) continues to function normally in the meantime. How can I do this?

Thanks.

 

[e100]

You must have quorum for VMs to autostart. More specifically you must have quorum to do anything.

To resolve your problem you can artificially maintain quorum:
https://pve.proxmox.com/wiki/Proxmox_VE_2.0_Cluster#Two_nodes_cluster_and_quorum_issues

 

[starkruzr]

Hm. What if I bring up both nodes for a little while - can I "decluster" them and go back to one node running everything if I migrate them over?

 

[mo_]

would adding a quorum disk be feasible for your setup? thats a MUCH better solution to clustering than running a 2node cluster with expected_votes=1

Details: https://pve.proxmox.com/wiki/Two-Node_High_Availability_Cluster#Quorum_Disk_Configuration

TL/DR: you need a 10MB iscsi export on a third system to "solve all your problems"

 

[starkruzr]

would adding a quorum disk be feasible for your setup? thats a MUCH better solution to clustering than running a 2node cluster with expected_votes=1

Details: https://pve.proxmox.com/wiki/Two-Node_High_Availability_Cluster#Quorum_Disk_Configuration

TL/DR: you need a 10MB iscsi export on a third system to "solve all your problems"

Ha - 10Mb Ethernet is not going to happen for me any time soon That's okay, though, this is probably overkill. Temporarily declustering the other node is probably my best solution if anyone knows how to do that.

 

[mo_]

I wasn't talking about 10GBit ethernet. The quorum disk is literally what I said: a random file on a random linux system, with a total size of 10MB, that has to be exported via iscsi.

 

[starkruzr]

Sorry; my brain didn't read that sentence correctly.

Hm. I have an old NAS that could do exactly this.

 

[mir]

I use a Qnap for that purpose as well as backup.