Alternate pathing:
slestsmtst:~ # cat /proc/scsi/IBMchanger lin_tape version: 1.74.0 lin_tape major number: 251 Attached Changer Devices: Number model SN HBA SCSI FO Path 0 03584L22 0000078A32310403 lpfc 1:0:1:1 NA 1 03584L22 0000078A32310402 lpfc 1:0:3:1 NA 2 03584L22 0000078A32310401 lpfc 1:0:12:1 NA 3 03584L22 0000078A41400401 lpfc 1:0:25:1 NA 4 03584L22 0000078A41400402 lpfc 1:0:28:1 NA 5 03584L22 0000078A32310403 lpfc 3:0:2:1 NA 6 03584L22 0000078A32310406 lpfc 3:0:6:1 NA 7 03584L22 0000078A32310402 lpfc 3:0:8:1 NA 8 03584L22 0000078A32310401 lpfc 3:0:18:1 NA 9 03584L22 0000078A41400401 lpfc 3:0:28:1 NA 10 03584L22 0000078A41400402 lpfc 3:0:30:1 NA 11 03584L22 0000078A41400405 lpfc 3:0:34:1 NA slestsmtst:~ # slestsmtst:~ # /etc/init.d/lin_tape stop Shutting down lin_tape: slestsmtst:~ # slestsmtst:~ # rmmod lin_tape slestsmtst:~ # slestsmtst:~ # cat /etc/modprobe.d/lintape.conf options lin_tape ibm3592_barcode=8 options lin_tape alternate_pathing=1 slestsmtst:~ # slestsmtst:~ # depmod slestsmtst:~ # slestsmtst:~ # modprobe lin_tape slestsmtst:~ # slestsmtst:~ # modprobe lin_tape --allow-unsupported slestsmtst:~ # slestsmtst:~ # /etc/init.d/lin_tape start Starting lin_tape: slestsmtst:~ # slestsmtst:~ # cat /proc/scsi/IBMchanger lin_tape version: 1.74.0 lin_tape major number: 251 Attached Changer Devices: Number model SN HBA SCSI FO Path 0 03584L22 0000078A32310403 lpfc 1:0:1:1 Primary 1 03584L22 0000078A32310402 lpfc 1:0:3:1 Primary 2 03584L22 0000078A32310401 lpfc 1:0:12:1 Primary 3 03584L22 0000078A41400401 lpfc 1:0:25:1 Primary 4 03584L22 0000078A41400402 lpfc 1:0:28:1 Primary 5 03584L22 0000078A32310403 lpfc 3:0:2:1 Alternate 6 03584L22 0000078A32310406 lpfc 3:0:6:1 Primary 7 03584L22 0000078A32310402 lpfc 3:0:8:1 Alternate 8 03584L22 0000078A32310401 lpfc 3:0:18:1 Alternate 9 03584L22 0000078A41400401 lpfc 3:0:28:1 Alternate 10 03584L22 0000078A41400402 lpfc 3:0:30:1 Alternate 11 03584L22 0000078A41400405 lpfc 3:0:34:1 Primary