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    When the Hard Disk Is Removed from the Boot List

    Problem

    The following boot messages list on the console shows symptoms that signify a hard disk failure. These messages are not in the boot-messages log file.

    /dev/ad1s1f: CAN'T CHECK FILE SYSTEM.
    /dev/ad1s1f: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
    Can't open /dev/ad1s1f: Device not configured
    WARNING:
    WARNING: /var mount failed, building emergency /var
    WARNING:
    dumpon: sysctl: kern.dumpdev: Device not configured
    mgd: commit complete
    dumpon: sysctl: kern.dumpdev: Device not configured
    mgd: commit complete
    

    Solution

    The boot messages show that the hard disk (ad1) was removed from the boot list (using Junos OS, Release 6.1R1.4).

    Published: 2012-08-20