We are receiving this alarm in Spectrum daily.
'vertica11' also known as 'vertica-xxx-yyy' is now running 0 instance(s) which is less than the specified minimum of 1 instance(s). This process is being monitored by model xxxxxx ProcMon2790 (name - vertica-xxx-yyy)
Release : 21.2
The Vertica database backup coincides with the time of this error.
This is related to the timing of Vertica backups in Performance Manager. Spectrum is working correctly.