Upon writing/reading my own email it makes sense now that the path
didn't change, it's simply not there. While NBU can see the two tape
drives, the robot its self has vanished. Going to try a library and
scsi-bridge reboot.

On 11/23/2010 10:39 AM, Nate Sanders wrote:
>> root@office-backup:/usr/openv/netbackup$ netbackup start
>>    Rebuilding device nodes.
>>    Media Manager daemons started.
>>    NetBackup request daemon started.
>>    Drive index 2 is incorrect, drive name /dev/st/nh2c0t0l1 is
>> incorrect, No such file or directory
>>    Cannot terminate tldcd: cannot connect to robotic software daemon (42)
> Since yesterday NBU has suddenly lost its ability to talk to the robot.
> I don't know if this is a hardware issue or a software issue. Version is
> NBU 5.1MP6 so we can't call support. Library is an StorageTek L180 with
> 6 drives. Scan still works though and shows two drives and the library:
>
>> Device Name  : "/dev/sg/h2c0t0l1"
>> Passthru Name: "/dev/sg/h2c0t0l1"
>> Volume Header: ""
>> Port: -1; Bus: -1; Target: -1; LUN: -1
>> Inquiry    : "STK     L180            0307"
>> Vendor ID  : "STK     "
>> Product ID : "L180            "
>> Product Rev: "0307"
>> Serial Number: "MPC51000827"
>> WWN          : ""
>> WWN Id Type  : 0
>> Device Identifier: ""
>> Device Type    : SDT_CHANGER
>> NetBackup Robot Type: 8
>> Removable      : Yes
>> Device Supports: SCSI-3
>> Number of Drives : 6
>> Number of Slots  : 174
>> Number of Media Access Ports: 10
>> Drive 1 Serial Number      : "HR00SVK"
>> Drive 2 Serial Number      : "HL00DKL"
>> Drive 3 Serial Number      : "HR00SNG"
>> Drive 4 Serial Number      : "HL00D2Q"
>> Drive 5 Serial Number      : "HR00SQ3"
>> Drive 6 Serial Number      : "HL101L1"
>> Flags : 0x0
>>
>>
>> Device Name  : "/dev/st/nh2c0t0l0"
>> Passthru Name: "/dev/sg/h2c0t0l0"
>> ---trim---
>> Device Identifier: "SEAGATE ULTRIUM06242-XXX HL00DKL     "
>> Device Type    : SDT_TAPE
>> NetBackup Drive Type: 3
>>
>>
>> Device Name  : "/dev/st/nh2c0t0l2"
>> Passthru Name: "/dev/sg/h2c0t0l2"
>> ---trim---
>> Device Identifier: "SEAGATE ULTRIUM06242-XXX HR00SQ3     "
>> Device Type    : SDT_TAPE
>> NetBackup Drive Type: 3
>>
> Based on the path error, has my robot suddenly changed its drive path?
>
>> sandersn@office-backup:~$ sudo ls -l /dev/sg
>> total 0
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h0c0t0l0 -> /dev/sg0
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h0c0t15l0 -> /dev/sg2
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h0c0t1l0 -> /dev/sg1
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h0c1t8l0 -> /dev/sg3
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h1c0t0l31 -> /dev/sg4
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h1c0t1l31 -> /dev/sg5
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h2c0t0l0 -> /dev/sg6
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h2c0t0l1 -> /dev/sg7
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h2c0t0l2 -> /dev/sg8
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h3c0t0l31 -> /dev/sg9
>> lrwxrwxrwx  1 root root 9 Nov 23 10:34 h3c0t1l31 -> /dev/sg10
>> lrwxrwxrwx  1 root root 9 Nov 23 10:34 h5c0t0l0 -> /dev/sg11
>> lrwxrwxrwx  1 root root 9 Nov 23 10:34 h5c0t0l1 -> /dev/sg12
>> sandersn@office-backup:~$ sudo ls -l /dev/st
>> total 0
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h2c0t0l0 -> /dev/st0
>> lrwxrwxrwx  1 root root 8 Nov 23 10:34 h2c0t0l2 -> /dev/st1
>> lrwxrwxrwx  1 root root 9 Nov 23 10:34 nh2c0t0l0 -> /dev/nst0
>> lrwxrwxrwx  1 root root 9 Nov 23 10:34 nh2c0t0l2 -> /dev/nst1
>

-- 
Nate Sanders            Digital Motorworks
System Administrator      (512) 692 - 1038




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