Identifying The Tape Devices; What To Do If Device Information Is Missing; Obtaining Device Information Using /Proc/Scsi/Scsi; What Is The /Proc File System - Quantum DAT 160 Reference

Identifying the Tape
Devices
What To Do if Device
Information is Missing

Obtaining Device Information Using /proc/scsi/scsi

What is the /proc File
System?

Viewing /proc Files

Obtaining Device Information Using /proc/scsi/scsi
Installing a DLT, SDLT, VS, LTO, or DAT Tape Drive Into a Linux Operating System
You can identify the tape device by looking at the values listed for "
0
(PCI Bus), " " (SCSI ID), and "
id
configurations).
If you have more than one tape device, you should see similar lines of output
for each device.
If you do not see the information for every attached tape device, then the
0
driver is not communicating with the missing device(s). Try the following
solutions:
• Verify that the connector cable length does not exceed the specifications
listed in your product manual.
• Make sure the SCSI bus is terminated properly (see your product manual
for instructions).
• Ensure there are enough
devices. If not, you will need to create more. See
on page 15 and
To obtain information about a specific tape drive, view the
The file system is a map to the running kernel process. It displays a list of
/proc
0
connected SCSI devices. It is not a disk-based file system and is dynamic to
reflect the current boot-up information.
0
The recommended method to view
( | ) with command
# cat /proc/scsi/scsi | less
Caution: Do NOT execute the
unique file contains a running image of the kernel's memory at
that particular moment. Executing the
file will render your terminal unusable.
The output will look something like the following:
Attached devices:
Host: scsi0 Channel: 00 Id: 03 Lun: 00
Vendor: QUANTUM Model: SDLT320
Type: Sequential-Access
Host: scsi1 Channel: 00 Id: 03 Lun: 00
" ( is always "
lun lun
tape device nodes for all your attached tape
st
Creating No-Rewind Device Nodes
files is to use the
/proc
or . Execute the following command:
more less
command on the
cat
ANSI SCSI revision: 02
6464215-01, Rev B
January 2006
channel
" for standalone
0
Creating Device Nodes
on page 16.
/proc/scsi/scsi
command piped
cat
file. This
/proc/kcore
command on this
cat
Rev: 5252
"
st
0
file.
10