Zerto Checkpoints  | Checkpoint failures in last 10 minutes  | Number of checkpoints that failed to be inserted in last 10 minutes.  | 
Checkpoint insertions in last 10 minutes  | Number of checkpoints inserted in last 10 minutes.  The maximum is 120; normal performance is 90–115; less than 40 indicates a problem.  | |
Time to insert last checkpoint  | Time in milliseconds needed to insert the last checkpoint; normal is less than 5 seconds.  | |
Zerto Connectivity  | # of connected VRAs  | Number of VRAs connected to the local Zerto Virtual Manager.  | 
# of peer Zerto Virtual Managers (ZVMs)  | Number of Zerto Virtual Managers connected to the local Zerto Virtual Manager.  | |
Zerto GUI  | Concurrent GUI calls to the ZVM  | Number of concurrent GUI calls to the local Zerto Virtual Manager.  | 
Zerto Reflections  | AWS reflection collection time  | Time in milliseconds needed to collect AWS environment data.  | 
Hypervisor reflection collection time  | Time in milliseconds needed to collect vCenter Server or SCVMM environment data. ■	vCenter Server collection time should be less than 10 minutes. ■	SCVMM collection time should be less than 25 minutes.  | |
Reflection data pushed in last 10 minutes  | Size in bytes of environment data pushed in last 10 minutes to Zerto Virtual Managers connected to this site.  | |
Reflection data pushed to peer ZVMs  | Size in bytes of last pushed environment data.  | |
Reflection data received from peer ZVMs  | Size in bytes of last received environment data.  | |
Reflection data received in last 10 minutes  | Size in bytes of environment data received in last 10 minutes from Zerto Virtual Managers connected to the local Zerto Virtual Manager.  | |
Reflections pushed to peer ZVMs in last 10 minutes  | Number of times environment data was pushed to peer Zerto Virtual Managers in the last 10 minutes.  | |
Reflections received from peer ZVMs in last 10 minutes  | Number of times environment data was received from peer Zerto Virtual Managers in the last 10 minutes.  | |
Retained data  | Size in bytes of total retained pushed or received data.  | |
vCD reflection collection time  | Time in milliseconds needed to collect vCD environment data.  | |
Zerto Remote Calls  | Active incoming remote calls  | Current number of active incoming calls being processed.  | 
Active outgoing remote calls  | Current number of calls sent to WCF services for which the Zerto Virtual Manager is still waiting for a response.  | |
Incoming remote calls in last minute  | Number of incoming remote calls received in last minute.  | |
Outgoing remote calls in last minute  | Number of outgoing remote calls executed in last minute.  | |
Zerto RPO  | Average RPO  | Average RPO in seconds for all VPGs, displayed in the Dashboard.  | 
Current maximum RPO  | Current maximum RPO in seconds for all VPGs in this site.  | |
Current minimum RPO  | Current minimum RPO in seconds for all VPGs in this site.  | |
Zerto System State  | Number of alerts  | Current number of active alerts.  | 
System state loop length  | Execution time of one system state loop.  This should be less than 40 milliseconds.  | |
Time to calculate statistics  | Time in milliseconds needed to calculate statistics during a system state loop.  | |
Time to retrieve active alerts  | Time in milliseconds needed to collect local Zerto Virtual Manager active alerts during a system state loop.  | |
Time to save VRA performance counters  | Time in milliseconds needed to save VRA performance information to a file.  | |
Zerto Visual Query  | Time to execute a VQ build loop  | Time in milliseconds needed to execute a single VQ build loop. This should be less than 25 milliseconds.  | 
Time to retrieve hypervisor information (reflection)  | Time in milliseconds to execute a remote query on peer Zerto Virtual Managers to retrieve hypervisor information from remote sites.  | |
Time to retrieve local VM list  | Time in milliseconds needed to retrieve the list of virtual machines from the local hypervisor.  | |
Time to retrieve local VPG data  | Time in milliseconds needed to retrieve VPG data from the local Zerto Virtual Manager.  | |
Time to retrieve VPG list  | Time in milliseconds to execute a remote query on peer Zerto Virtual Managers to build a list of VPGs on remote sites.  | |
Zerto VRA Counters  | # of VRAs not updated  | Should be zero or close to zero.  | 
# of VRAs updated  | Should be near or equal to the number of active VRAs.  | |
Average time of 5 most time-consuming VRA updates  | Should be close to the median VRA update time.  | |
Median VRA update time  | Median time in milliseconds of last 100 VRA updates.  |