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    Verify That the Hard Disk Is Missing from The Boot List

    Problem

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

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

    Solution

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

    Published: 2012-08-20