Solaris Bug Oracle Mpt Mpt_sas LSI Logic “ragged Command Queing” Performance Serial Io Disk Storage Controller

In this post, I discuss a newly found performance bug in Solaris 11, that has since Solaris 11 came out in 2011, severely hampered ESX VM disk i/o performance when using the LSI Logic SAS controller. I show how we identified the issue, what tools were used, and what the bug actually is. In Short: […]

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