topic Re: MDL Perfomance in StoreVirtual Storage

MDL Perfomance

5js — Thu, 12 Aug 2010 00:22:58 GMT

For the G2 P4300 MDL starter san (16TB), can I expect better performance than the G1 SATA starter san. If so, by how much? I have 5 application servers with the following specs. This is a total read/write. The mail server has about 500 read iops out of the total. The largest app server has about 160 read iops out of the total. I would like to know if the MDL 16TB starter san is going to be okay.

App Server, 200
App Server, 11
App Server, 75
Email Server, 540
App Server, 20

Re: MDL Perfomance

Robert Lennie — Fri, 27 Aug 2010 15:30:35 GMT

Well the drives are not spinning any faster - so relatively - no the performance off the drive is not changing. Sure you get benefits of the G3 platform - as far as CPU speeds, SAS interface, greener platform, etc. You'll probably see an increas from about 800 IOPS to about 900 IOPS. Sounds like it will need the immediate need - but you might want to consider either more nodes, or the 15K SAS drives.

You should engage you local HP sales team, and/or Partner to help you size this right.

Re: MDL Perfomance

5js — Fri, 27 Aug 2010 19:00:54 GMT

If you did the math, 16 MDL 7200RPM drives compared to the current config of 5 internal 10K SAS drives, do I loose performance if I go with the MDL. I think not but may not be a reliable as the SAS

Thanks for the response!