Article number
000004578
Affected Versions
8.0
Source Hypervisor
VMware
Target Hypervisor
VMware

Error: ‘zcmd already copied 0 (total=0) we shouldnt get here’ in the vmkernel log

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Summary

Zerto may write the following entries to the vmkernel log make it difficult for the owners to troubleshoot other issues not related to Zerto or possibly cause a host to crash or become unresponsive.

By adding a tweak, we can stop the spam of entries to the vmkernel log. 

Root Cause

This issue had been fixed in ZVR version 8.5

Symptoms

In the vmkernel logs you can see the following log entries occur as often as 5-10 times a second spamming the logs and making it difficult to troubleshoot any other issue:
zdriver: _zcmd_cmd_to_cmd:1601: #0- zcmd already copied 0 (total=0) we shouldnt get here

 

Solution

Contact Zerto Support in order to apply tweak t_driverLogMask