Hi Karel,

Those tests have already been done, and results are the same. Backup DB to 
ProtecTIER is slow compared to LTO.

Thanks for your help.

-- 
Best regards / Cordialement / مع تحياتي
Erwann SIMON

----- Mail original -----
De: "Karel Bos" <tsm.wad AT GMAIL DOT COM>
À: ADSM-L AT VM.MARIST DOT EDU
Envoyé: Lundi 7 Octobre 2013 08:22:06
Objet: Re: [ADSM-L] Slow backup DB performance to ProtecTIER

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
>