System Logs Host Are Stored On Non Persistent Storage
When you install vmware esxi to an sd card or usb stick or when using boot from san the yellow exclamation mark icon is displayed next to the host name in the vcenter client console and the following warning appears on the summary tab.
System logs host are stored on non persistent storage. System logs on esxi host are stored on non persistent storage. Redirecting system logs to a vsan object causes an esxi host lock up 2147541 storing esxi coredump and scratch partitions in vsan 2074026 persistent logging in a virtual san cluster. It is not supported to configure a scratch location on a vsan datastore. Vmware esxi syslog errors system logs on host host name are stored on non persistent storage and system logging is not configured on host.
When you are booting up an esxi host using a usb or sd card you might commonly get this system logs are stored on non persistent storage warning message on your esxi hosts.