2 server in HA cluster without external storrage

[asdrojd]

we have 2 servers dl380 g10 with 8hdd in each(separated in 2 raid1+0)
first raid 4hdd and second raid 4hdd on both servers
question how to create HA cluster without external storrage?
interested in restarting servers in turn so that the virtual machine does not interrupt its work

i mean may be second raid on both servers connect as iscsi+ freenas or may be to use Ceph?

is any ideas?

PS how to do with external storage I know, but task to do without it.

 

[wolfgang]

Hi,

IMHO you have 2 options.

1.) replace the HW raid against an HBA and use ZFS.
Then you can use the pvesr[1] to replicate the VM data.
Also, a third node is necessary. This node is for the qdevice[2] what keeps the corosync quorum.
This node can somewhere.
This approach has the drawback that the replication is asynchrony. So in HA event, you loos data.

2.) use ClusterFS[3] where the server is not supported by Proxmox.
In this scenario, you need also the third node somewhere for the qdevice[2].
This would a synchron data replication solution.

1.) https://pve.proxmox.com/wiki/Storage_Replication
2.) https://pve.proxmox.com/wiki/Cluster_Manager
3.) https://www.gluster.org/

 

[asdrojd]

in proxmox version 3 was a solution with 2 nodes without external storage
with using DRBD + fencing
why this possibility was removed from new versions?