Posted By Rich Miller On January 2, 2009 @ 9:05 am In Data Center Videos | 4 Comments
Data centers are noisy places. Sometimes you have to raise your voice to be heard. But you shouldn’t shout right next to a rack of equipment, as illustrated by Brendan Gregg of Sun Microsystems. Brendan used analytics software developed by Sun’s Fishworks  team to demonstrate that shouting next to working racks can cause significant disk latency. In this example, Brendan screams into a rack housing JBODs (Just A Bunch of Disks), producing an immediate pop in input/output latency. The increase is caused by disk vibration resulting from the nearby noise. While the example is extreme, it’s worth considering the next time you’re trying to make yourself heard in the data center. This video is 2 minutes in length.
Brendan shares more data on his blog . For more news from Sun Microsystems, check out our Sun Channel . For additional video, check out our DCK video archive  and the Data Center Videos channel on YouTube.
Article printed from Data Center Knowledge: http://www.datacenterknowledge.com
URL to article: http://www.datacenterknowledge.com/archives/2009/01/02/why-you-shouldnt-shout-in-the-data-center/
URLs in this post:
 Fishworks: http://blogs.sun.com/cindi/entry/fishworks_draft
 on his blog: http://blogs.sun.com/brendan/
 Sun Channel: http://www.datacenterknowledge.com/archives/category/sun-microsystems/
 DCK video archive: http://www.datacenterknowledge.com/archives/data_center_videos-index.html
 Data Center Videos : http://www.youtube.com/user/DataCenterVideos
 Rich Miller: http://www.datacenterknowledge.com/archives/author/richm/
Copyright © 2012 Data Center Knowledge. All rights reserved.