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....@gmail.com> À: ADSM-L@VM.MARIST.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.si...@free.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 >