[Normal] From: BSM@cellsrv01.in.com "Backup_Spec_Win1"
Time: 4/16/2014 12:08:46 PM
Backup session
2014/04/16-256 started.
[Normal] From: BMA@winsrv01.in.com "AUT01_D01"
Time: 4/16/2014 12:08:55 PM
STARTING Media Agent "AUT01_D01"
[Normal] From: BMA@winsrv01.in.com "AUT01_D01"
Time: 4/16/2014 12:09:01 PM
By: UMA@winsrv01.in.com@Changer0:7:0:1
Loading medium from slot 8
to device Tape1:7:0:0C
[Warning] From: BMA@winsrv01.in.com "AUT01_D01"
Time: 4/16/2014 12:09:57 PM
The device "AUT01_D01"
could not be opened("Device could not be accessed")
[Normal] From: BMA@winsrv01.in.com "AUT01_D01"
Time: 4/16/2014 12:09:57 PM
Starting the device path
discovery process.
[Critical] From: BMA@winsrv01.in.com "AUT01_D01"
Time: 4/16/2014 12:10:00 PM
[90:1004] Device
address not found.
[Normal] From: BMA@winsrv01.in.com "AUT01_D01"
Time: 4/16/2014 12:10:00 PM
Device path discovery
process finished.
[Normal] From: BMA@winsrv01.in.com "AUT01_D01"
Time: 4/16/2014 12:10:00 PM
By: UMA@winsrv01.in.com@Changer0:7:0:1
Unloading medium to slot 8
from device Tape1:7:0:0C
[Normal] From: BMA@winsrv01.in.com "AUT01_D01"
Time: 4/16/2014 12:10:39 PM
ABORTED Media Agent "AUT01_D01"
[Normal] From: BSM@cellsrv01.in.com "Backup_Spec_Win1"
Time: 4/16/2014 12:10:39 PM
Backup Statistics:
Session Queuing Time
(hours) 0.00
-------------------------------------------
Completed Disk Agents
........ 0
Failed Disk Agents
........... 4
Aborted Disk Agents
.......... 0
-------------------------------------------
Disk Agents Total
........... 4
===========================================
Completed Media Agents
....... 0
Failed Media Agents
.......... 1
Aborted Media Agents
......... 0
-------------------------------------------
Media Agents Total
.......... 1
===========================================
Mbytes Total
................. 0 MB
Used Media Total
............. 0
Disk Agent Errors Total
...... 0
Troubleshooting steps as follows:
>>
Logged into the media server and checked for devices claimed in Device Manager.
Found the devices.
>> Ran
devbra -dev to determine the SCSI address.
>> Found
N/A for drive
C:\>devbra
-dev
Exch
HP:1x8 G2 AUTOLDR Path: "Changer0:0:0:1" SN: "AABBCCDD1E"
Description: CLAIMED:HP StorageWorks 1x8 Cartridge Autoloader
Revision: 4.20 Flags: 0x0016 Slots: 8 Drives: 1
Drive(s) SN:
"ABCDEFGHIJ"
Tape HP:Ultrium
3-SCSI Path: "Tape0:0:0:0" SN: "N/A"
Description: CLAIMED:HP LTO3 Drive
Revision: Q51W Device type: lto [13] Flags: 0x0011
>>
Checked if the drive is locked by DP
[root@cellsrv01:/root]
# omnimm
-show_locked_devs | grep AUT01_D01
[root@ cellsrv01:/root]
>>
Stopped DP Inet from Services.msc and Ran LTT.
>> Got
error message that "mma.exe" process is accessing the device. Killed
the mma.exe process from the Task Manager.
>>
rescanned the devices in LTT. Able to detect both autoloader and it's drive
this time.
>> Ran
devbra -dev, which got the SCSI address.
C:\>devbra
-dev
Exch
HP:1x8 G2 AUTOLDR Path: "Changer0:7:0:1" SN: "AABBCCDD1E
"
Description: CLAIMED:HP StorageWorks 1x8 Cartridge Autoloader
Revision: 4.20 Flags: 0x0016 Slots: 8 Drives: 1
Drive(s) SN:
"ABCDEFGHIJ "
Tape HP:Ultrium
3-SCSI Path: "Tape1:7:0:0C" SN: "ABCDEFGHIJ "
Description: CLAIMED:HP LTO3 Drive
Revision: Q51W Device type: lto [13] Flags: 0x0011
>> Ran
the backup successfully.
Cause :
The DP media
agent was accessing the drive and didn't let any other process to send commands.
After the hung process is killed, the drive was accessible for normal
operations.