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permanent changing SCSI ID's on Tape Drives connected trough FC.

BerndWalter
Advisor

permanent changing SCSI ID's on Tape Drives connected trough FC.

Hi!

Since a few Month I get the following error in Many Session Log's

[Normal] From: BSM@server0045.domain.com "serversql15_SQL" Time: 21.06.2007 12:00:16
Starting rescan of library "MSL6060_1" with drive "Lib1_Drv2".

[Normal] From: UMA@server0045.domain.com "MSL6060_1" Time: 21.06.2007 12:00:16
STARTING Media Agent "MSL6060_1"

[Normal] From: UMA@server0045.domain.com "MSL6060_1" Time: 21.06.2007 12:00:18
COMPLETED Media Agent "MSL6060_1"

[Normal] From: BSM@server0045.domain.com "serversql15_SQL" Time: 21.06.2007 12:00:19
Finished rescan of library "MSL6060_1" with drive "Lib1_Drv2".

[Normal] From: BMA@serversql02.domain.com "Lib1_Drv2" Time: 21.06.2007 12:00:24
STARTING Media Agent "Lib1_Drv2"

[Normal] From: BMA@serversql02.domain.com "Lib1_Drv2" Time: 21.06.2007 12:00:27
By: UMA@server0045.domain.com@scsi3:0:0:0
Loading medium from slot 20 to device scsi1:0:5:2

[Warning] From: BMA@serversql02.domain.com "Lib1_Drv2" Time: 21.06.2007 12:00:42
The device "Lib1_Drv2" could not be opened("Device could not be accessed")

[Normal] From: BMA@serversql02.domain.com "Lib1_Drv2" Time: 21.06.2007 12:00:42
Starting the device path discovery process.

[Normal] From: BMA@serversql02.domain.com "Lib1_Drv2" Time: 21.06.2007 12:00:43
A new path(s) "scsi1:0:4:2" found for device "Lib1_Drv2" and stored.

[Normal] From: BMA@serversql02.domain.com "Lib1_Drv2" Time: 21.06.2007 12:00:43
Device path discovery process finished.


We are running a MSL6060 with 3 Drives and 2 NSR 1200-160. All the Machines are connected trough FC (4GB Switches). We also have one EVA3000 and one EVA4000 in this environment. Server0045 is the Data Protector 5.5 Cellmanager with up-to-date Patches. The Drives and the NSR's are detected by the Operating System (W2k3 Standard R2) and listet under "other devices". They are not disabled. All Server are Running Windows 2003.

Can anybody explain me why the SCSI ID's are changing permanently? Sometimes 2 or 3 times in one hour.

Thanks in Advance

Bernd
1 REPLY
Luk Vandenbussche
Honored Contributor

Re: permanent changing SCSI ID's on Tape Drives connected trough FC.

Do you use storport or scsiport drivers for your FC cards?
If you use SCSIport drivers then the tape drives must be disabled in your Windows Device Manager

Also the service removable storage must be disabled.