Why is Multipath creating .pp_balance devnode device files in /tmp on Red Hat Enterprise Linux 4 or 5?

Solution Verified - Updated -

Issue

  • Multipath is creating .pp_balance devnode device files in /tmp for HITACHI Storage.

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 4

  • device-mapper-multipath using the prio_callout line:

    prio_callout            "/sbin/mpath_prio_hds_modular %d"

  • Hitachi SAN

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