Tag Archives: IOPS

Latest SPC-1 results – IOPS vs drive counts – chart-of-the-month

Posted on January 19, 2012 by Ray

[As promised, I am trying to get up-to-date on my performance charts from our monthly newsletters. This one brings us current up through November.] The above chart plots Storage Performance Council SPC-1 IOPS against spindle count.  On this chart, we have … Continue reading →

Posted in Block Storage, Disk storage, FC, Storage performance, System effectiveness | Tagged , , , , , , , , , , , , , | 17 Comments

Latest SPC-1 IOPS results – chart of the month

Posted on March 23, 2011 by Ray

As one can see from this chart clusters of off the shelf components are starting to dominate maximum IOPS performance in SPC-1. The newest member to this chart is the Huawei Symantec Oceanspace S8100 which sported 8 storage server nodes and came … Continue reading →

Posted in Block Storage, Storage, Storage performance | Tagged , , , | Leave a comment

Storage throughput vs. IO response time and why it matters

Posted on December 3, 2010 by Ray

Lost in much of the discussions on storage system performance is the need for both throughput and response time measurements. By IO throughput I generally mean data transfer speed in megabytes per second (MB/s or MBPS), however another definition of … Continue reading →

Posted in Block Storage, File Storage, Storage, Storage performance, System effectiveness, Systems | Tagged , , , , , , , , , , , , | 5 Comments

SPC Results IOPs vs. Capacity – chart of the month

Posted on March 23, 2010 by Ray

This chart is from SCI’s last months report on recent Storage Performance Council (SPC) benchmark results. There were a couple of new entries this quarter but we decided to introduce this new chart as well. This is a bubble scatter … Continue reading →

Posted in Storage, Storage performance | Tagged , , , , , , | 1 Comment