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Old 10-07-2008, 10:18 AM   #1
carlosinfl
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Registered: May 2004
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Help Identifying SCSI Tape Drives on RHEL5


I have a RHEL 5 Dell server with a SCSI controller that has two channels on it. The two channels are then connected via a SCSI cable to the following x 2 Dell Powervault 124T.

My question is how do I know that RHEL 5 can talk to these 2 tape loaders via the SCSI channels? In Windows, I simply view 'device manager' and can see the drivers are loaded and the OS can recognize the hardware fine. In RHEL I have no idea. I the following:

Code:
[root@iback ~]# cat /proc/scsi/scsi 
Attached devices:
Host: scsi0 Channel: 02 Id: 00 Lun: 00
  Vendor: DELL     Model: PERC 5/i         Rev: 1.03
  Type:   Direct-Access                    ANSI SCSI revision: 05
Host: scsi1 Channel: 00 Id: 06 Lun: 00
  Vendor: IBM      Model: ULTRIUM-TD3      Rev: 6B20
  Type:   Sequential-Access                ANSI SCSI revision: 03
Host: scsi1 Channel: 00 Id: 06 Lun: 01
  Vendor: DELL     Model: PV-124T          Rev: 0060
  Type:   Medium Changer                   ANSI SCSI revision: 02
I can see that is exactly what I am looking for but it is only listed once. Does that mean it only sees one and not the other? I have no idea how to verify that both are recognized and functioning before I install Symantec Net Backup utility on this server. Please help...I don't want to use Windows
 
Old 10-07-2008, 11:31 AM   #2
TB0ne
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Quote:
Originally Posted by Carlwill View Post
I have a RHEL 5 Dell server with a SCSI controller that has two channels on it. The two channels are then connected via a SCSI cable to the following x 2 Dell Powervault 124T.

My question is how do I know that RHEL 5 can talk to these 2 tape loaders via the SCSI channels? In Windows, I simply view 'device manager' and can see the drivers are loaded and the OS can recognize the hardware fine. In RHEL I have no idea. I the following:

Code:
[root@iback ~]# cat /proc/scsi/scsi 
Attached devices:
Host: scsi0 Channel: 02 Id: 00 Lun: 00
  Vendor: DELL     Model: PERC 5/i         Rev: 1.03
  Type:   Direct-Access                    ANSI SCSI revision: 05
Host: scsi1 Channel: 00 Id: 06 Lun: 00
  Vendor: IBM      Model: ULTRIUM-TD3      Rev: 6B20
  Type:   Sequential-Access                ANSI SCSI revision: 03
Host: scsi1 Channel: 00 Id: 06 Lun: 01
  Vendor: DELL     Model: PV-124T          Rev: 0060
  Type:   Medium Changer                   ANSI SCSI revision: 02
I can see that is exactly what I am looking for but it is only listed once. Does that mean it only sees one and not the other? I have no idea how to verify that both are recognized and functioning before I install Symantec Net Backup utility on this server. Please help...I don't want to use Windows
Since netbackup runs on RedHat, have you tried loading it, to see if it recognizes both changers? Linux won't be talking to the loaders...Netbackup will. Have you contacted NetBackup and/or RedHat support? You're in a supported configuration, and they will be able to provide you much more detailed information than we could. Also, have you checked Dell's knowlegebase for the appropriate drivers for your hardware?
 
Old 10-07-2008, 11:52 AM   #3
carlosinfl
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Registered: May 2004
Location: Orlando, FL
Distribution: Debian
Posts: 2,896

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I called RHEL support and they did not seem to be 100% about if the system could recognize it. I felt like they gave me a "I guess its there" answer. I have Net Backup installed but we are going to configure it today so I don't know if the application sees both loaders. I was told to make sure the loaders are installed and ready before we configure Net Backup...

Symantec Linux support is like asking my mom how to recompile a kernel from source...
 
  


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