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IBM developerWorks: Case Study on the Porting DB2 to Linux - Behind the scenes with IBM's DB2 team

Aug 20, 2000, 16:03 (2 Talkback[s])
(Other stories by Jeanne Murray)

[ Thanks to jcondon for this link. ]

"Porting a large commercial product to Linux takes skill, perseverance, and a sense of humor. In this article, members of the IBM dB2 team tell their story and offer insights."

"As is the case with many Linux projects, the original DB2 port was done when no one was looking. Way back at the end of 1997, two Linux fans on the IBM DB2 project team, Leo Comitale and Peeter Joot, copied the DB2 source code tree to their desktop Linux boxes and worked on compiling it in their spare time. Both are members of the operating systems services component team, which handles operating system-specific code for the whole product. "As members of that team, Leo and Peeter were the ideal people to do the original port," says Susan Williams, leader of the Linux port team. "Theirs is the one component in DB2 that has platform-specific code in it." Their interest in Linux, combined with their expertise in operating system nuances, made for a successful effort. By May of 1998, they'd gotten it to the point where it compiled, linked, and ran on Linux; it would pass an acceptance test."

"Meanwhile, Linux was making headway in the marketplace. The DB2 marketing team started looking seriously at offering their product on Linux, and the development team was asked to size the effort. Voila! The team produced the code from behind the skunkworks curtain, and Susan was tapped as the technical lead."

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