Run below command on VSAN esxi host to get the "Predictive Failure Count"
[root@ESXIhost: /opt/lsi/storcli] /opt/lsi/storcli/storcli /c0/eALL/sALL show all | grep -e ' State : ' -e "Predictive Failure Count"
Command output
Predictive Failure Count = 0
Predictive Failure Count = 0
Predictive Failure Count = 0
Predictive Failure Count = 0
Predictive Failure Count = 0
Predictive Failure Count = 0
Predictive Failure Count = 0
Predictive Failure Count = 0
Predictive Failure Count = 0
Predictive Failure Count = 0
Predictive Failure Count = 0
Predictive Failure Count = 0