After upgrade to ESXi 8.0 U1/U2, vsanmgmt stops logging in a vSAN cluster.

Products

• VMware vSAN 8.x

Issue/Introduction

Symptoms:

• vsanmgmt fails to print logs after upgrade of vSAN hosts to 8.x versions prior to 8.0 U1/U2.
  
  
• Latest logging in this log file is of connection to hostd being down though hostd service is healthy and running.

  (in /var/run/log/vsanmgmtd.log):

  2024-08-24T14:46:38.870Z warning vsand[#######] [opID=Thread-7 VsanTaskTrackerImpl::_ThreadMain] Connection to hostd is down, need to reconnect

Environment

• VMware vSAN 8.0 U1
  
  
• VMware vSAN 8.0 U2

Cause

• Its a known issue with ESXi 8 U1 and U2 where on upgrade to these versions, the vsanperf.conf file fails to update syslog indent from VSANMGMTSVC to vsand.

Resolution

• Upgrade vSAN hosts to 8.0 U3 or later.
  
  
• Workaround:
  
  
  • 1. On all hosts, need to change "syslogident = VSANMGMTSVC" to "syslogident = vsand" in /etc/vmware/vsan/vsanperf.conf
       
       
    2. Restart vsanmgmt service run the following command:
       # /etc/init.d/vsanmgmtd restart