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[ADSM-L] Slow backup DB performance to ProtecTIER

2013-10-06 09:08:21
Subject: [ADSM-L] Slow backup DB performance to ProtecTIER
From: Erwann Simon <erwann.simon AT FREE DOT FR>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Sun, 6 Oct 2013 15:07:15 +0200 
Hi all,

I've a customer who's complaining about very slow performance of backup DB to 
ProtecTIER : 10 MB/s while it's 10 times faster to tape (LTO4).

TSM Server is 6.3.2.0 on AIX.
Backup DB to ProtecTIER is DBB (Full) while Backup DB to LTO4 is DBS.

We've tried different combinations of NUMSTREAMS and DEDUPEDEVICE without any 
success. It's seems to be slower and slower...

Any suggestion ? Thanks.

-- 
Best regards / Cordialement / مع تحياتي
Erwann SIMON
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