How do I disable mounting of a filesystem if the hardware has failed.

Solution Unverified - Updated -

Environment

  • Red Hat Enterprise Linux (RHEL) 6

Issue

Sometimes, when storage hardware has failed, you may encounter a situation where the system is unable to boot because it it is trying to locate disks that are referenced in /etc/fstab
This can be undesirable when trying to recover a machine.

Resolution

The nofail option can be used to stop the boot process from trying to mount and fsck device if the hardware is not present:
You can set nofail in /etc/fstab like the example below

/dev/vg_data/log_data   /var/log/data       ext3    defaults,nofail        1 2

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