LTO bad performance on backup stgpool

2005-07-13 Thread Warren, Matthew (Retail)
Hi *SM'ers I am looking into why our LTO1 / LTO2 performance is so terrible (50% rated throughput on avg) during backup stgpools. TSM 5.2.4 AIX 5.2 IBM 3584 library LTO1 and LTO2 drives. The drives hit their rated throughputs during LANFree backup. We have 2 sites with the same devices, 3584

Re: LTO bad performance on backup stgpool

2005-07-13 Thread David Longo
I can answer one of your questions easily. Yes, the many small files does affect backup stg pool, and all TSM data movements. It will definitely be slower to move 1000 300byte files than one 300K file for instance. Certainly with LTO drives, that's what I have. David B. Longo System

Re: LTO bad performance on backup stgpool

2005-07-13 Thread Warren, Matthew (Retail)
- From: ADSM: Dist Stor Manager [mailto:[EMAIL PROTECTED] On Behalf Of David Longo Sent: Wednesday, July 13, 2005 2:53 PM To: ADSM-L@VM.MARIST.EDU Subject: Re: LTO bad performance on backup stgpool I can answer one of your questions easily. Yes, the many small files does affect backup stg pool