Hello,
I currently manage a 5 node Windows 2012 R2 Hyper-V cluster using shared iSCSI SAN storage and the virtual machines run on CSVs.
I need to reboot our switch stack which could bring down the networking for up to two minutes. Please note: The iSCSI switches are isolated from these switches so connectivity to iSCSI storage will not be affected during this process.
The NICs are teamed on the Hyper-V hosts but since both switches in the stack need to go down at the same time, this seems irrelevant.
The goal is to not have to shut down 70+ servers along with the entire cluster during this network outage and having the cluster nodes maintain quorum and not go bezerk.
Does anyone have any ideas or suggestions on how this can be done?
Is changing the heartbeat interval settings (Samesubnetdelay / threshold) a viable option in this case?
I have also seen some suggestions on forcing a Disk only Quorum so as long as all nodes can see the Quorum disk, they will stay online. I already have a Quorum disk configured.
I appreciate your help with this.
Regards,
Chris