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robnicholson's avatar
robnicholson
Level 6
13 years ago

Slow tape backup BE2008 R3 to Quantum SuperLoader3

Something has degraded on the new Windows 2008 R3 media server that I've built recently. We've just had the Quantum SuperLoader 3A replaced by Quantum as it was generating errors. But I wonder if tha...
Backing Up
Backup and Recovery
Backup Exec
  • robnicholson's avatar
    robnicholson
    13 years ago

    Found the culprit, well probably as just rebooting before opening the champagne. The culprit is the Quantum driver for the SuperLoader supplied by Windows update:

    http://www.picpaste.com/slow5-J6HfeZry.png

    On the test system, after allowing Windows update to run, this driver was installed and backup speed drops from a very acceptable 3,500MB/min to around 100MB/min. Way to go Quantum!

    I'd let Backup Exec install it's own drivers but Symantec only supply one for the tape drive, they rely upon the existing driver. When installing Windows 2008 from scratch, it says "Unknown media changer" with a Microsoft driver. But that driver works fine.

    Cheers, Rob.

robnicholson's avatar
robnicholson
Level 6
13 years ago

Found the culprit, well probably as just rebooting before opening the champagne. The culprit is the Quantum driver for the SuperLoader supplied by Windows update:

http://www.picpaste.com/slow5-J6HfeZry.png

On the test system, after allowing Windows update to run, this driver was installed and backup speed drops from a very acceptable 3,500MB/min to around 100MB/min. Way to go Quantum!

I'd let Backup Exec install it's own drivers but Symantec only supply one for the tape drive, they rely upon the existing driver. When installing Windows 2008 from scratch, it says "Unknown media changer" with a Microsoft driver. But that driver works fine.

Cheers, Rob.