Re: [ADSM-L] Slow backup DB performance to ProtecTIER

Subject:	Re: [ADSM-L] Slow backup DB performance to ProtecTIER
From:	Karel Bos <tsm.wad AT GMAIL DOT COM>
To:	ADSM-L AT VM.MARIST DOT EDU
Date:	Mon, 7 Oct 2013 08:22:06 +0200

Hi,

Tried to do dbs to prot and/or dbb to lto4 to compair same type of db
backup to same type of devclass?

Kind regards,

Karel
Op 6 okt. 2013 15:08 schreef "Erwann Simon" <erwann.simon AT free DOT fr>:

> 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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