Solved

Can NO longer see my scisi tape device /dev/rmt/3

Posted on 2010-11-17
11
898 Views
Last Modified: 2013-12-27
I cannot see my tape drive any longer.
# iostat -En
c0t0d0           Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: FUJITSU  Product: MBB2073RCSUN72G  Revision: 0505 Serial No: 0810A01DFN
Size: 73.41GB <73407865856 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c0t1d0           Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: FUJITSU  Product: MBB2073RCSUN72G  Revision: 0505 Serial No: 0811A01DKV
Size: 73.41GB <73407865856 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c0t2d0           Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: FUJITSU  Product: MBB2147RCSUN146G Revision: 0505 Serial No: 0822H02BY8
Size: 146.81GB <146810536448 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c1t0d0           Soft Errors: 1 Hard Errors: 0 Transport Errors: 1
Vendor: MATSHITA Product: CD-RW  CW-8124   Revision: DZ13 Serial No:  
Size: 0.00GB <0 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 1 Predictive Failure Analysis: 0
c0t3d0           Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: FUJITSU  Product: MBB2147RCSUN146G Revision: 0505 Serial No: 0819H020VJ
Size: 146.81GB <146810536448 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0


I installed oracle secure backup with oracle's help and can no longer see my tape device.
This is a SUN T2000 server running Solaris 10
A quantum tape drive LTO-3 Ultrium scsi drive 400/800
the tape drive is encased in a 1U 2 drive bay unit
0
Comment
Question by:bkreynolds48
  • 5
  • 5
11 Comments
 
LVL 16

Expert Comment

by:Joseph Gan
Comment Utility
"iostat -En" only shows harddisk errors.

Please show output of:
# mt -f /dev/rmt/3 status
and
# ls -al /dev/rmt/
0
 
LVL 1

Author Comment

by:bkreynolds48
Comment Utility
# mt -f /dev/rmt/3 status
/dev/rmt/3: No such file or directory
 # ls -al /dev/rmt/
/dev/rmt/: No such file or directory
0
 
LVL 16

Expert Comment

by:Joseph Gan
Comment Utility
Make sure the tape drve is powered on without any errors, and do this:
# devfsadm
# ls -al /dev/rmt
0
 
LVL 1

Author Comment

by:bkreynolds48
Comment Utility
There is a tape in the drive - there are no error lights
 # devfsadm

 # ls -al /dev/rmt
/dev/rmt: No such file or directory
0
 
LVL 16

Expert Comment

by:Joseph Gan
Comment Utility
How did you know the tape drive was /dev/rmt/3 initially?
0
Better Security Awareness With Threat Intelligence

See how one of the leading financial services organizations uses Recorded Future as part of a holistic threat intelligence program to promote security awareness and proactively and efficiently identify threats.

 
LVL 1

Author Comment

by:bkreynolds48
Comment Utility
I have been using /dev/rmt/3 on this machine for two years.
I installed oracle secure backup and now i/dev/rmt is empty.
0
 
LVL 16

Expert Comment

by:Joseph Gan
Comment Utility
The oracle secure backup using all different configurations and commands, please look at this link:
http://download.oracle.com/docs/cd/E10317_01/doc/nav/portal_booklist.htm
0
 
LVL 1

Author Comment

by:bkreynolds48
Comment Utility
I have docs on oracle secure backup - I need info on how to restore/create the /dev/rmt/3 and make my tape drive accessible
0
 
LVL 1

Author Comment

by:bkreynolds48
Comment Utility
I brought the tape drive back to the office and it is seen on another machine.
How could I loose the whole /dev/rmt directory by just installing oracle secure backup?
How do I get back /dev/rmt?
0
 
LVL 16

Accepted Solution

by:
Joseph Gan earned 500 total points
Comment Utility
Remove oracle secure backup, ensure the tape drive is powered on and do this:
# devfsadm
# ls -al /dev/rmt
0
 
LVL 9

Expert Comment

by:amolg
Comment Utility
Make sure Tape Drive is connected and online
try running devfsadm with root user. This will detect the tape drive and create the entries under /dev/rmt/
(http://docs.sun.com/app/docs/doc/806-0625/6j9vfill4?a=view)
now run mt stat command to check
0

Featured Post

What Is Threat Intelligence?

Threat intelligence is often discussed, but rarely understood. Starting with a precise definition, along with clear business goals, is essential.

Join & Write a Comment

Introduction Regular patching is part of a system administrator's tasks. However, many patches require that the system be in single-user mode before they can be installed. A cluster patch in particular can take quite a while to apply if the machine…
Every server (virtual or physical) needs a console: and the console can be provided through hardware directly connected, software for remote connections, local connections, through a KVM, etc. This document explains the different types of consol…
Learn several ways to interact with files and get file information from the bash shell. ls lists the contents of a directory: Using the -a flag displays hidden files: Using the -l flag formats the output in a long list: The file command gives us mor…
Learn how to find files with the shell using the find and locate commands. Use locate to find a needle in a haystack.: With locate, check if the file still exists.: Use find to get the actual location of the file.:

772 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

12 Experts available now in Live!

Get 1:1 Help Now