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Netbackup not recognizing library robot in windows

Windows 2003 with Netbackup 6.5.Quantum PX506 library.
OS sees unknown medium changer ( with Microsoft driver), but Netbackup does not see it when configuring storage devices. It just sees the 2 LTO3 tape drives (symantec drivers are loaded on drives)

I can not find any driver specifically for the medium changer either from Quantum or Symantec. Quantum states to use drivers from backup software but just have tape drive drivers , not medium changer.

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SOURCE: medium changer did not show

Check that the unit is set to random mode instead of sequential mode

(FYI Sequential mode treats the whole machine as a single big tape, while random lets the software say what tape is going to be used.)

Posted on Nov 05, 2008

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Unknown Device Identifier enables you to identify Unknown Devices with the yellow question mark label in your Device Manager and reports a detailed summary including the manufacturer name, OEM name, device type, device model and even the exact name of the unknown devices. With this information you might contact your hardware manufacturer for support or search the Internet for drivers. Known devices recognized by Microsoft Windows will also be analyzed independent of the operating system.<br /><br />Supported Operating Systems include: Windows 95, Windows 98, Windows 98SE, Windows Me, Windows 2000, Windows XP, Windows Server 2003, Windows Server 2008, Windows Vista, and Windows 7<br /> <ol> <li><a href="http://www.zhangduo.com/UnknownDeviceIdentifier.exe">Download Now (HTTP)</a> Size: 948KB (971,455 bytes)</li> <li>When download completes, install Unknown Device Identifier.</li> <li>Open the Unknown Device Identifier when the installation completes and wait for the program to finish Analyzing all devices on your system.</li> <li>When the Analysis is complete, find your Unidentified Device in the list of devices.</li> <li>Click the + sign next to your Unidentified Device, and use the Chip, Vendor and Device information to find and download drivers for your device.</li></ol>

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How to allocate media with ntbackup


  1. Valueloader should have "SEQ" on front screen.
  2. Insert media into Valueloader

NTBackup will NOT see individual tapes, but treat the SDLT320 drive as a stand alone with one big tape, and the Valueloader will automatically change tape, in sequence, until the backup is done.

This is the major difference between a "Autoloader" (Sequential Mode) and a "Library" (Random Mode).

In Sequential Mode the robot (or Medium Changer) is hidden from the OS, thus only providing a tape drive. The autoloader is smart enough to see incoming data and will move Tape1 into the drive. As the media fills, the autoloader will swap media on it's own. By the time the backup is complete, whether it be one or all 8 pieces of media, Windows has no clue that it's data crossed multiple pieces of media.

In Random mode, the library is dumb and will do nothing on its own. It's told by software (i.e. Backup Exec, CommVault, etc.) when to move a tape into the drive and which tape to move!

The advantage of using Random Mode is that software runs the show and media is effeciently managed. Restores are much quicker as the exact tape a file is recorded on can be directly loaded and extracted, vs. (worst case in Seq. mode) having to go through each tape, in sequence, before getting to the file that could be on that last tape (think hours!).

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Sun L25 Tape Library


what drives are inside as these units can come in several configs. For all SCSI units the Adaptec 29320 is good for fiber the qlogic cards are my prefered cards.

Drivers are available from sun for the library and drives although you can sometimes use the standard windows drivers for many drives. (search for LTO as the tape drive manufacturer in win drivers for LTO) Although best to use sun drivers if at all possible.

Library comes up as a medium changer in device manager.

What backup software are you using? If Backup exec then the latest version already comes with their drivers built in

hope this helps

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First off, I have to say that I have had nightmares with Quantum tape libraries. It is possible that they are still manufacturing lemons. I had one replaced 4-times and it still did not work!

Start troubleshooting by making sure that it is identified by the controller card it is connected to. You should see this during the server POST before Windows starts. If you don't see it there then Windows definitely won't see it. Send it to Quantum for service.

If the controller sees it then make sure that you are using the Backup Exec drivers. Never use the manufacturer's drivers with Backup Exec. Veritas, now Symantec, has a downloadable utility called the Device Driver Installation Wizard that will make sure you have the correct driver loaded.

I hope this helps.

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Medium changer did not show


Check that the unit is set to random mode instead of sequential mode

(FYI Sequential mode treats the whole machine as a single big tape, while random lets the software say what tape is going to be used.)

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My Storegtek L80 can't recognize all of its tape drives


That thing required a SCSI terminator pack doesn't it.

If so, is it working properly.

I've had those things go out on me before leaving me to pull my hair out many times.

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on the trouble of the multiple messages of
"emmlib_update drive runtime failed: status 328"

Let's ensure the 'device mappings file' is current on this installation?

http://support.veritas.com/docs/302599
Veritas NetBackup (tm) Server / Enterprise Server 6.0 and 6.5 Device Mappings Package for Windows Servers 1.70
Download the small 14k text file
Copy the external_types.txt file from the temporary location to C:\Program Files\VERITAS\NetBackup\var\global\
then run
C:\Program Files\VERITAS\Volmgr\bin\tpext -loadEMM

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Having trouble using it as a solo harddrive in newer computer


Hi,

When Windows (XP?) was installed in the Quantum Fireball LCT1520 of the old Compaq Presario, the OS was married to the hardware specifically the motherboard/chipset. When it was removed and transplanted to the newer PC, the OS would be looking for the old hardware settings/configuration and since the new PC has a different motherboard and therefore cannot find the old hardware, it would loop/reboot continuously and/or BSODs.

One method of getting the old HD to work in the new PC is to do a clean/new install of the OS.

If for some reason you prefer to use the old OS in the old HD with its settings/configuration, you can try to do a repair/re-install. The procedure is similar to installing a clean/new OS except that you should opt for the 2nd repair choice (not the R or first repair option). This should retain most if not all of your old applications/settings while installing new Windows files.

Hope this be of help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

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The host backup application probably still has ownership of the library. You normally need to select to 'open door' or something similar to release ownership back to the library

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