Multipathd is logging: 'Too many open files' and no mpath devices are being created

Solution Verified - Updated -

Issue

  • Multipathd is logging: 'Too many open files' and no mpath devices are being created
  • When creating multipath devmaps, the multipathd process logs error creating pipe for callout: Too many open files

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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