HA - Is it possible...

[boca]

Hello,

First of all I'd like to say thank you for this wonderful product!

Now, I just have a quick question about High Availability and ProxMox.

What I have done so far is: Installed ProxMox on two computers and joined them into a cluster. Attached a local NAS to be used as shared storage between the two nodes. So far everything is working great, live migration, etc. However, my primary goal is to create redundancy between the 2 servers by implementing automatic failover system that can detect if Server 1 dies, VM01 that was running on the Server 1 will automatically be booted on Server 2. Is this possible in any way? Any hints, clues, howto's or suggestions would be greatly appreciated!

Thanks

 

[udo]

Hello,

First of all I'd like to say thank you for this wonderful product!

Now, I just have a quick question about High Availability and ProxMox.

What I have done so far is: Installed ProxMox on two computers and joined them into a cluster. Attached a local NAS to be used as shared storage between the two nodes. So far everything is working great, live migration, etc. However, my primary goal is to create redundancy between the 2 servers by implementing automatic failover system that can detect if Server 1 dies, VM01 that was running on the Server 1 will automatically be booted on Server 2. Is this possible in any way? Any hints, clues, howto's or suggestions would be greatly appreciated!

Thanks

Hi,
you must copy (rsync?) your vm-configs (/etc/qemu-server/VMID.conf) to a backup-dir on the second server (and vice versa) - so your script can move the config on the right place in case of trouble and start the VM.

With OpenVZ-VMs it's not so easy, because the VM-data are normaly local.

Udo

 

[boca]

Hi Udo,

Thanks for that. I assumed as much but what I want to figure out is how do I tell Server 2 that Server 1 has failed and to boot the virtual machine from Server 1 automatically, using the backed up configuration files? Is there such a thing within the Proxmox base or do I need to look for alternatives that can be incorporated with Proxmox? I looked at Pacemaker and Heartbeat but got confused and decided to ask here before I started getting deeper into both solutions.

Thanks again!

Edit: No OpenVZ-VMs here!