# dmesg

USB frame sequencing 0x276155b4 to 0x27613839
USB frame sequencing 0x2764d58d to 0x2764b813
CISS: RAID SA controller on hardware path 41/0/1/2/0/0/0 has detected the removal
      of non-disk-device:
      Connector: ??
      Enclosure: 0
      Bay: 5

[PROD root@#] ioscan -fnH 41/0/1/2/0/0/0
Class     I  H/W Path        Driver    S/W State   H/W Type     Description
============================================================================
ext_bus   0  41/0/1/2/0/0/0  ciss        CLAIMED     INTERFACE    PCIe SAS SmartArray P411 RAID Controller
                            /dev/ciss0
ext_bus  26  41/0/1/2/0/0/0.128.16      ciss_vbus   NO_HW       INTERFACE    CISS virtual bus device interface
target   16  41/0/1/2/0/0/0.128.16.4    tgt         NO_HW       DEVICE
tape      2  41/0/1/2/0/0/0.128.16.4.0  stape       NO_HW       DEVICE       HP      DAT160
                            /dev/rmt/2m             /dev/rmt/2mn            /dev/rmt/c26t4d0BEST    /dev/rmt/c26t4d0BESTn
                            /dev/rmt/2mb            /dev/rmt/2mnb           /dev/rmt/c26t4d0BESTb   /dev/rmt/c26t4d0BESTnb

[PROD root@#] ioscan -m lun |grep -i no_hw
tape      1  64000/0xfa00/0x9     estape  NO_HW       DEVICE       online  HP      DAT160