Multipathing fails all paths for thinly provisioned 3PAR LUN

Solution Unverified - Updated -

Issue

  • Boot-from-SAN install fails to 3PAR SAN when using multipath
An error was encountered while formatting
device /dev/mapper/mpathap2

Details
format failed: 1
  • Paths are entering failed ready state in multipathing output
mpatha (350002ace888c0b4c) dm-0 3PARdata, VV
size=100G features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=enabled
  |- 3:0:0:10 sde 8:64 failed ready  running
  `- 2:0:0:10 sdd 8:48 failed ready  running
  • Paths are returning Incompatible volume type Sense errors during Unmap commands
sd 1:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 1:0:0:0: [sdb] Sense Key : Illegal Request [current]
sd 1:0:0:0: [sdb] Add. Sense: Incompatible volume type
sd 1:0:0:0: [sdb] CDB: Unmap/Read sub-channel: 42 00 00 00 00 00 00 00 18 00

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • 3PAR SAN with thin-provisioned LUNs
  • device-mapper-multipath

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