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[Veritas-bu] MISSING PATH for tape devices in RHEL5 for NetBackup 7.1

2012-01-12 12:13:56
Subject: [Veritas-bu] MISSING PATH for tape devices in RHEL5 for NetBackup 7.1
From: "Lightner, Jeff" <JLightner AT water DOT com>
To: "veritas-bu AT mailman.eng.auburn DOT edu" <veritas-bu AT mailman.eng.auburn DOT edu>
Date: Thu, 12 Jan 2012 17:13:46 +0000

We are running a NetBackup 7.1 media server on RHEL5.   The tape paths all show as missing in tpautoconf –disc_report.   If I try to use the GUI to configure storage on the media server from the master (which is RHEL6) it says there aren’t any removable media.  

 

However, if I do a cat /proc/scsi/scsi I see the 3 paths to the library (Quantum i6000) blades and the 12 HP Ultrium (10 Ultrium 5 and 2 Ultirum 3).

 

These are presented via Qlogic cards (2 of the paths from library to 1 card and the other path to the other card).

 

What can I do short of reboot to make the drives visible to NetBackup?  (This is Production so getting downtime window is difficult.)

 

I called Datalink support and they had me use tpconfig to delete the drives but that didn’t do anything to help.   At that point they abandoned me saying it is an OS problem.

 

There is old vmoprcmd output saved on the master before the issue occured that shows the drives for this media server were /dev/nst0, /dev/nst1, etc… and those device files still exist but I’m assuming somehow they no longer refer to the devices. 

 

Sample output of the tpauatoconf –disc_report before deletion (essentially shows the same for all the drives):

 

======================= Missing Device (Drive) =======================

 Drive Name = HP.ULTRIUM5-SCSI.006

 Drive Path = MISSING_PATH:0:0:3:2:F0023CD007

 Inquiry = "HP      Ultrium 5-SCSI  I57Z"

 Serial Number = F0023CD007

 TLD(0) definition Drive = 2

 Hosts configured for this device:

  Host = atlbipd1

======================= Missing Device (Drive) =======================

 Drive Name = HP.ULTRIUM5-SCSI.005

 Drive Path = MISSING_PATH:0:0:3:3:F0023CD00D

 Inquiry = "HP      Ultrium 5-SCSI  I57Z"

 Serial Number = F0023CD00D

 TLD(0) definition Drive = 3

 Hosts configured for this device:

  Host = atlbipd1

 

Output for Quantum library and its HP drives from cat /proc/scsi/scsi:

Host: scsi0 Channel: 00 Id: 02 Lun: 00

  Vendor: QUANTUM  Model: Scalar i2000     Rev: 5A87

  Type:   RAID                             ANSI SCSI revision: 03

Host: scsi0 Channel: 00 Id: 02 Lun: 01

  Vendor: HP       Model: Ultrium 3-SCSI   Rev: M69Z

  Type:   Sequential-Access                ANSI SCSI revision: 03

Host: scsi0 Channel: 00 Id: 02 Lun: 02

  Vendor: HP       Model: Ultrium 3-SCSI   Rev: M69Z

  Type:   Sequential-Access                ANSI SCSI revision: 03

Host: scsi0 Channel: 00 Id: 02 Lun: 03

  Vendor: HP       Model: Ultrium 5-SCSI   Rev: I3AZ

  Type:   Sequential-Access                ANSI SCSI revision: 03

Host: scsi0 Channel: 00 Id: 02 Lun: 04

  Vendor: HP       Model: Ultrium 5-SCSI   Rev: I3AZ

  Type:   Sequential-Access                ANSI SCSI revision: 03

Host: scsi0 Channel: 00 Id: 03 Lun: 00

  Vendor: QUANTUM  Model: Scalar i2000     Rev: 5A87

  Type:   RAID                             ANSI SCSI revision: 03

Host: scsi0 Channel: 00 Id: 03 Lun: 01

  Vendor: HP       Model: Ultrium 5-SCSI   Rev: I3AZ

  Type:   Sequential-Access                ANSI SCSI revision: 03

Host: scsi0 Channel: 00 Id: 03 Lun: 02

  Vendor: HP       Model: Ultrium 5-SCSI   Rev: I3AZ

  Type:   Sequential-Access                ANSI SCSI revision: 03

Host: scsi0 Channel: 00 Id: 03 Lun: 03

  Vendor: HP       Model: Ultrium 5-SCSI   Rev: I3AZ

  Type:   Sequential-Access                ANSI SCSI revision: 03

Host: scsi0 Channel: 00 Id: 03 Lun: 04

  Vendor: HP       Model: Ultrium 5-SCSI   Rev: I3AZ

  Type:   Sequential-Access                ANSI SCSI revision: 03

 

Host: scsi1 Channel: 00 Id: 02 Lun: 00

  Vendor: QUANTUM  Model: Scalar i2000     Rev: 5A87

  Type:   RAID                             ANSI SCSI revision: 03

Host: scsi1 Channel: 00 Id: 02 Lun: 01

  Vendor: HP       Model: Ultrium 5-SCSI   Rev: I3AZ

  Type:   Sequential-Access                ANSI SCSI revision: 03

Host: scsi1 Channel: 00 Id: 02 Lun: 02

  Vendor: HP       Model: Ultrium 5-SCSI   Rev: I3AZ

  Type:   Sequential-Access                ANSI SCSI revision: 03

Host: scsi1 Channel: 00 Id: 02 Lun: 03

  Vendor: HP       Model: Ultrium 5-SCSI   Rev: I3AZ

  Type:   Sequential-Access                ANSI SCSI revision: 03

Host: scsi1 Channel: 00 Id: 02 Lun: 04

  Vendor: HP       Model: Ultrium 5-SCSI   Rev: I3AZ

  Type:   Sequential-Access                ANSI SCSI revision: 03

 

  

 

 

 

 

 

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