Issuing a modprobe lpfc with EMC storage attached takes too long in Red Hat Enterprise Linux

Solution Verified - Updated -

Issue

  • When using EMC storage configured with passive paths, issuing modprobe lpfc without the scsi_dh_emc module loaded fails to complete in a timely manner and leads to numerous scsi errors and soft lockup messages.

Environment

  • Red Hat Enterprise Linux 6 and 6.1

  • EMC Storage

  • Emulex HBA

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