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Tape Drive Linux

I had recently an issue with our backup server(HDD failure). It was in RAID0 hence I reinstalled OS (OEL 4.5). Also I installed netbackup 6.0.
The server has got two tape drives , one LTO and other one small ultrium drive.

How to detect the drives from the OS level and permanently make it as mounted state in order to configure the netbackup.
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i just tried the following command

cat /proc/scsi/scsi | less

Attached devices:
Host: scsi1 Channel: 00 Id: 04 Lun: 00
  Vendor: IBM      Model: ULTRIUM-TD2      Rev: 4770
  Type:   Sequential-Access                ANSI SCSI revision: 03
Host: scsi1 Channel: 00 Id: 08 Lun: 00
  Vendor: HP       Model: C5683A           Rev: C111
  Type:   Sequential-Access                ANSI SCSI revision: 02
Host: scsi2 Channel: 00 Id: 00 Lun: 00
  Vendor: Adaptec  Model: DBBACKUP RAID 5  Rev: V1.0
  Type:   Direct-Access                    ANSI SCSI revision: 02
I just want to add if you need to find the device, you can use this:
sg_map -i -x

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It will show you all SCSI generic driver mapped devices.
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thanks, the drives are configured. i did a rewind command and offline as well. worked fine.