You can monitor certain critical flash device parameters, including Media Wearout Indicator, Temperature, and Reallocated Sector Count, from an ESXi host.
Use the esxcli command to monitor flash devices.
In the procedure, --server=server_name specifies the target server. The specified target server prompts you for a user name and password. Other connection options, such as a configuration file or session file, are supported. For a list of connection options, see Getting Started with vSphere Command-Line Interfaces.
Install vCLI or deploy the vSphere Management Assistant (vMA) virtual machine. See Getting Started with vSphere Command-Line Interfaces. For troubleshooting, run esxcli commands in the ESXi Shell.
esxcli server=server_name storage core device smart get -d=flash device_ID