Server with many LUNs/paths crashes while booting/rescanning for LUNs

Solution Verified - Updated -

Issue

  • Server with many LUNs/paths crashes while booting/rescanning for LUNs
  • I have hundreds of LUNs, and using multiple paths I get thousands of /dev/sd* devices. While rescanning, I see load of 200 or 300 on the system.

Environment

  • Red Hat Enterprise Linux (RHEL), all versions
  • Storage Area Network (SAN)

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