Wiping the sweat from his brow, Fishworks Engineer Bryan Cantrill reflects on the release of the new major Sun Storage 7000 series software update, known as 2010.Q1. Producing this release was no mean feat, Cantrill writes, given that it involved building enterprise-grade storage on commodity components, incorporating entirely new elements like Flash, and creating an ambitious management stack entirely from scratch.
"How much longer will current RAID techniques persevere?" asks Adam Leventhal of Sun Fishworks in his paper for the Association for Computing Machinery entitled "Triple Parity RAID and Beyond." In the course of answering his question, the author examines RAID and its history, its rate of capacity growth in the hard-drive industry, and the need for triple-parity RAID as a response to diminishing reliability.
Senior Engineer Rickey C. Weisner has written a tutorial on DTrace to illustrate how the diagnostic tool can be used to help analyze real-world applications. With an emphasis on practical use, Weisner employs DTrace to analyze several applications and uses mpstat and prstat information to show which questions one should ask and how one can use DTrace to answer these questions.
Infiniband IPoIB datalink partition and IP interface configuration is easy and painless using the same network BUI page or CLI contexts as ethernet, says Fishworks blogger Cindi in her update on "Infiniband for Q3.2009." Port GUID information is available for configured partitions on the network page, she continues, which makes it easy to add Sun Storage 7000 Unified Storage System HCA ports to a partition table on a subnet manager.
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