Verify That the Hard Disk Is Missing from The Boot List

Action

To verify that the hard disk (ad1) is missing from the boot list, use the following CLI command:

user@host> show system boot-messages | match "ad0|ad1"

Sample Output

user@host> show system boot-messages | match "ad0|ad1" 

ad0: 122MB <SanDisk SDCFB-128> [980/8/32] at ata0-master using PIO4

ad1: not attached, missing in Boot List

Mounting root from ufs:/dev/ad0s1a

What It Means

The device is taken out of the boot list because of an error condition, such as a HARD READ errror.