Why do I see "multipath: error getting device" and "device-mapper: ioctl: error adding target to table" during bootup in RHEL?

Solution Verified - Updated -

Issue

  • I see device-mapper errors while booting a system that has device-mapper-multipath enabled:

    device-mapper: table: 253:26: multipath: error getting device  
    device-mapper: ioctl: error adding target to table  
    device-mapper: table: 253:66: multipath: error getting device  
    device-mapper: ioctl: error adding target to table
    

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • device-mapper-multipath

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