How VMware Live Site Recovery Monitors Connections Between Sites

VMware Live Site Recovery monitors the connection between the protected and recovery sites and logs events if the remote site stops responding.

When VMware Live Site Recovery establishes the connection between two paired VMware Live Site Recovery Server instances, the VMware Live Site Recovery Server that initiated the connection sends a RemoteSiteUpEvent event.

If VMware Live Site Recovery detects that a monitored connection has broken, it starts periodic connection checks by sending a ping request to the remote site. VMware Live Site Recovery monitors the connection checks and logs events.

• The connection monitor skips a number of failed pings. You can configure this number by setting the remoteSiteStatus.drPingFailedDelay value. The default is 2.
• When the number of skipped failed pings exceeds the value of the remoteSiteStatus.drPingFailedDelay setting, VMware Live Site Recovery sends a RemoteSitePingFailedEvent event.
• When the number of skipped failed pings exceeds a higher limit VMware Live Site Recovery sends a RemoteSiteDownEvent event for every failed ping and stops sending RemoteSitePingFailedEvent events. You can configure this higher limit of failed pings by setting the remoteSiteStatus.drPanicDelay setting. The default is 5.
• VMware Live Site Recovery continues to send RemoteSiteDownEvent events until the connection is reestablished.
• When a connection to the remote site VMware Live Site Recovery Server is reestablished, VMware Live Site Recovery sends RemoteSiteUpEvent events.