How does LVM handle a failure of a mirror log or image in RHEL?

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Issue

How does LVM handle a failure of a mirror log or image in RHEL?
Can RHEL LVM completely and automatically recover from a complete failure of one half of a mirror with out negatively impacting the accessing entity through out the entire failure scenario?

Environment

Red Hat Enterprise Linux (RHEL) 5 or 6
lvm2
mirrored logical volumes

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