Multipath reports incorrect value for "features" parameter in Red Hat Enterprise Linux5

Solution Verified - Updated -

Issue

  • The command multipath -ll reports following values for EMX CX array:

    mpathx (360060160021b22005839a5f82a06df11) dm-8 DGC,RAID 5
    [size=133G][features=0][hwhandler=1 emc][rw]
    \_ round-robin 0 [prio=2][active]
     \_ 5:0:0:8  sdau 66:224 [active][ready]
     \_ 4:0:0:8  sdi  8:128  [active][ready]
    \_ round-robin 0 [prio=0][enabled]
     \_ 4:0:1:8  sdab 65:176 [active][ready]
     \_ 5:0:1:8  sdbn 68:16  [active][ready]
    
  • Need to have the default value of "features "1 queue_if_no_path" in multipath -ll output

Environment

  • Red Hat Enterprise Linux 5.5
  • EMC CX Array
  • device-mapper-multipath-0.4.7-34.el5_5.6.x86_64

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