Hi Wanda, I'll try to make my customer do this test.
Note that TSM backups to ProtecTIER does not suffer from so poor performances, it seems that it only affect DB Backup. -- Best regards / Cordialement / مع تحياتي Erwann SIMON ----- Mail original ----- De: "Wanda Prather" <wanda.prat...@icfi.com> À: ADSM-L@VM.MARIST.EDU Envoyé: Lundi 7 Octobre 2013 22:11:24 Objet: Re: [ADSM-L] Slow backup DB performance to ProtecTIER Try using the itdt tool to generate an I/O stream to the Protectier, take TSM out of the picture. If it runs the same (slow) speed, then the problem is on the Protectier side. -----Original Message----- From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On Behalf Of Erwann Simon Sent: Sunday, October 06, 2013 9:07 AM To: ADSM-L@VM.MARIST.EDU Subject: [ADSM-L] Slow backup DB performance to ProtecTIER 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
