Error During scanning tape drives "scsi-3 adapter error, adapter status = 0x3"

Hi,

 

I got the error shown below, while trying to scan the tape devices on AIX 6.1 media server (NBU version 7.1.0.4).  Please help me to resolve this error.

scsi-3 adapter error, adapter status = 0x3

 

#/usr/openv/volmgr/bin/scan

************************************************************

*********************** SDT_TAPE    ************************

*********************** SDT_CHANGER ************************

************************************************************

scsi-3 adapter error, adapter status = 0x3

------------------------------------------------------------

Device Name  : "/dev/rmt0.1"
Passthru Name: "/dev/rmt0.1"
Volume Header: ""
Port: -1; Bus: -1; Target: -1; LUN: -1
Inquiry    : "HP      Ultrium 4-SCSI  H64S"
Vendor ID  : "HP      "
Product ID : "Ultrium 4-SCSI  "
Product Rev: "H64S"
Serial Number: "HU1245T4UT"
WWN          : ""
WWN Id Type  : 0
Device Identifier: ""
Device Type    : SDT_TAPE
NetBackup Drive Type: 3
Removable      : Yes
Device Supports: SCSI-5
Flags : 0x0
Reason: 0x0