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08-25-2012 06:45 AM - edited 08-25-2012 06:48 AM
08-25-2012 06:45 AM - edited 08-25-2012 06:48 AM
Performance issues
Hello,
I can't get more than 38 mb/s out of our new BL536A (MSL2024 4048 8096 and 1-8 G2 Autoloader).
- It is connected using a dedicated 6Gb SAS card (P212/ZN).
- Server - DL380 G7 with 12Gb and 24 cores (2.66) running 2008 R2 x64
- Stopped all possible services
- Updated to latest drivers and firmwares
- HP L&TT sys performance for the drive gives me 338 mb/sec
- HP L&TT Dev performance test gives me 120Mb/s
- When I try to backup with any software, I can't get passed 40Mb/s (even with Data protector that came bundled with the drive)
What am I missing?
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08-29-2012 05:44 AM
08-29-2012 05:44 AM
Re: Performance issues
Questions...
1. You said: "MSL2024 4048 8096 and 1-8 G2 Autoloader" Are all the 4 tape devices connected to the same 6Gb SAS card (P212/ZN)
2. You said: "HP L&TT sys performance for the drive gives me 338 mb/sec"... Is the backup streaming from some other server?
Rajat_B
I am an HPE Employee
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09-03-2012 07:26 AM
09-03-2012 07:26 AM
Re: Performance issues
The problem will be with your Zero Memory P212 controller (I assume thats what you meant by P212/ZN?)
I've had this exact issue and installing a cache module on the controller improved the situation no end...
See the following advisory...
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