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New UNIX Section (16-November-2003)
Over the last month, I have added a new section to the website dedicated to Unix technologies. This new section (available from the "Unix" link in the Topics menu) will provide users with insight into general Unix tasks along with specifics on Solaris and Linux. Some topics of interest include installation instructions, using serial consoles, network configuration, configuring RAID using Solstice DiskSuite, and other storage management issues. I also included a section for Oracle DBAs running the Oracle RDBMS in a Unix environment. Have fun with it and let me know if you have anything you would like to add. In my last email, I indicated that I would be working on "Building an Inexpensive Oracle9i RAC Configuration on Linux". This undertaking has brought with it some complications in getting the Linux kernel to recognize the shared storage device (the shared FireWire hard drive) in non-exclusive mode. While I indicate that there is a kernel available (in RPM format) that can be installed, I have been unsuccessful in getting it to work properly. For some reason the first machine to boot still grabs the shared storage device in exclusive mode, which prevents access from the second Linux server. I will be sending a note to the author to see if this could be a hardware issue, or simply a kernel that cannot be used with Red Hat professional edition. (They used Red Hat Advanced Server 2.l) Although this shouldn't be an issue, I have tried just about everything. As soon as I find a solution to this issue, I will be completing the installation portion of the document and sending it out in the next newsletter. Wish me luck! Like always, I have added several new Java modules under the Programming -> Java section. Also fixed a bug in the module "Generate random numbers within a given range" (RandomNumberBounds.java). (Many thanks to Chris Wood for catching this one!) Last but not least, I re-organized the MySQL section to make accessing DBA Tips and Scripts similar to that in the Oracle and SQL Server section. This will be the last Newsletter before Thanksgiving day. With that said, have a great Thanksgiving and expect more to be included on Oracle9i RAC, UNIX, and Java in the very near future. ---------------------------- Jeffrey M. Hunter Sr. Database Administrator firstname.lastname@example.org http://www.idevelopment.info ----------------------------