Re: LTO5 performance

2011-05-03 Thread Gary Bowers
Thanks all for the response. I agree with al the statements made. I am just trying to determine whether anyone is getting the published specs on the LTO5, or what the real world transfer rates are. I am running archives of large Oracle database files, so I don't think that file size is an issue

Re: LTO5 performance

2011-05-03 Thread Richard Sims
A general advisory... Commonly overlooked in throughput reviews is the computer's system bus. Sites may be implementing new technology with ever-increasing data rates on the same computer they've been using for years, and then wonder why they aren't seeing the throughput they expect. LTO5's

Re: LTO5 performance

2011-05-03 Thread Wira Chinwong
Don't forget that one performance factor is file type. Biggest will gain more performance than smaller. Best Regards, Wira Chinwong SCSi Co., Ltd. 2521/69 Biztown Ladprao Rd., Klongchaokhunsingha, Wangthonglang, Bangkok 10310 Tel 02-9559873-4 Fax 02-9559875 ext 5 Mobile: 086-9092992 E-

Re: LTO5 performance

2011-05-03 Thread Gary Bowers
Thanks Charles. Yes, these are issues to consider. I was really just looking to see what other people were getting. HBA's are dedicated 4/ HBA on 8 Gbit cards. I have a feeling it is a device driver issue, or an issue with the IO cards in the Quantum. Since they are HP drives, I have to use t

Re: LTO5 performance

2011-05-03 Thread Hart, Charles A
Few things to consider 1) Are the HBA's for the LTO5 Drives dedicated or do they have other devices. 2) How many LTO drives per HBA? 3) Speed of Fibre 2/4/8Gb -Original Message- From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On Behalf Of Gary Bowers Sent: Monday, M