Quantum DAT 160 Reference Guide

Page of 32
Installing a DLT, SDLT, VS, LTO, or DAT Tape Drive Into a Linux Operating System
6464215-01, Rev B
January 2006
Appendix D – Troubleshooting
31
Appendix D – Troubleshooting
0
This section covers common errors. 
  
Problem
Explanation
Fix
You receive a non-
recoverable error that looks 
similar to this after 
performing the 
tar
 command:
    tar: /dev/st0: Wrote only 0 of 
    10240 bytes
    tar: Error is not recoverable: 
    exiting now
The tape device has a 
blocksize
 set to a parameter 
value other than 
0
Use 
mt 
to set the 
blocksize
 to 
0
 so the tape 
drive can operate in variable blocksize 
mode. Execute this command:
    # mt -f /dev/st0 setblk 0  
Note: st0
 is used as the device node for 
this example only; be sure to use the 
correct 
mode0
 node.
No information is returned 
when you execute the 
command
    # rpm -qa | grep mt-st
to verify 
mt-st
 is installed.
 mt-st
 is not installed.
Install 
mt-st
 (see 
No information is returned 
when you execute the 
command
   # rpm -qa mtx
to verify 
mtx
 is installed.
mtx
 is not installed.
Install 
mtx
 (see 
modinfo st
 reports the 
st
 
module name not found.
st
 module is not loaded.
Load the 
st
 module. Consult your Linux 
manuals for instructions.
The 
st 
device nodes are not 
present in the 
/dev
 directory.
Create the device nodes. 
Use the 
mknod
 commands described in 
Refer to the following documentation for 
more detailed instructions:
• Your Linux documentation
st(4) man page
mknod(1) man page
The backup application does 
not work.
Your backup application may 
not be compatible with the 
stinit.def
 file you are using.
Check your backup application 
documentation for information on what 
type of 
stinit.def
 files you can use; then 
rewrite the 
stinit.def 
file.