question about ha

[blackmetal]

Hello,
i am confiused with something in promox HA and it is when first physcal server goes down then all virtual machine on will restart from second HA right?
then what about hard disk ? is hard disk sync every minute on all servers in cluster?
thanks,

 

[dietmar]

then what about hard disk ? is hard disk sync every minute on all servers in cluster?

You need to put your disks on a shared storage.

 

[blackmetal]

aha,
so i should host my os and VMs behind a NAS or SAN right?
what about DRDB , can not sync files with DRDB ?

 

[dietmar]

NAS, SAN or replicated storage like Ceph

 

[Xahid]

you need to start studying ...
Start from here ..
https://pve.proxmox.com/wiki/Storage_Model